text:
|Publication number
|Publication type
|Application number
|Publication date
|Aug 30, 1994
|Filing date
|Jul 29, 1993
|Priority date
|Jul 29, 1993
|Fee status
|Also published as
|Publication number
|Michael E. Farmer, John D. Hatlestad
|Original Assignee
|Unisys Corporation
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (25), Non-Patent Citations (6), Referenced by (44), Classifications (5), Legal Events (10)
|External Links: USPTO, USPTO Assignment, Espacenet
1. Field of the Invention
The present invention relates to creation of inverse synthetic aperture radar (ISAR) images, and in particular to an enhanced auto-focusing technique for ISAR imaging.
2. Background of the Development of SAR/ISAR Imaging
Doppler-frequency radar has been used to produce map images since the early 1950's. The earliest Doppler radar imaging system did not provide phase correction to compensate for changing Doppler frequencies due to relative motion between the radar platform and the target. Such a system is said to be "unfocused."
Synthetic aperture radar (SAR) systems evolved from this early Doppler frequency analysis mapping. In SAR systems the relative motion between the radar platform and the target area can produce an apparent rotation rate of the target. For example, if an aircraft is over a strip of terrain, prominent features of the terrain will produce variations in the returned signal. The most prominent features of the target that provide radar return signals that are used for mapping are called "scatterers."
The Doppler frequency signal produced by a scatterer is a function of time as the aircraft traverses the terrain strip. A train of coded pulses is transmitted by the Doppler radar. SAR cross-range resolution (i.e., resolution perpendicular to the line-of-sight from the platform to the scatters) is much finer than is attainable from the radar's beam width. Motion induced frequency changes are corrected by determining a phase-shift factor that is applied to modify stored phase information of the return signals. Such correction is called "focusing" the synthetic aperture.
SAR systems are best suited to applications where there is no target motion since target motion may seriously degrade SAR images. Inverse synthetic aperture radar (ISAR) was developed to produce Doppler radar images of moving targets. With ISAR, images of scatterers on the target are resolved in the range direction by use of large bandwidth waveforms and in the cross-range direction by integration of the return signals. ISAR imaging has been proposed to form images of targets which have no appreciable translational motion relative to the transmitting radar but which may be yawing, pitching or rolling, such as a ship at sea.
Ideally, for ISAR imaging, the radar and the target should have no relative translational motion. Then, as the target rotates, scatterers on the target will provide a Doppler frequency which is dependent upon the distance of a scatterer from the center of rotation of the target, the angular rate of rotation of the target, the transmitted wavelength and the angle between the line-of-sight to the target center of rotation and a line that joins the scatterer and the center of rotation. Thus, the same scatterer at various points of the rotation will provide a return signal of a varying Doppler frequency.
Cross-range resolution is dependent upon how well the frequency difference between the various scatterers can be resolved. In ISAR imaging the relative motion of the target is usually uncontrollable. Therefore, the signal processor system associated with the radar has to estimate the target translation and rotation with respect to the radar platform to make the necessary corrections for adequate resolution of the image. The ISAR process maps a three-dimensional target into a two-dimensional image which depends upon the target's rotational motions.
In a conventional strip-map mode SAR, range resolution is achieved through accurate time delay measurements which are obtained by transmitting frequency-dispersed pulses and applying pulse compression techniques to the returned pulses. This is described on page 379 of an article entitled "Developments in Radar Imaging" by Dale Ausherman, et al., in the IEEE Transactions on Aerospace and Electronic Systems, Vol. AES-20 No. 4, July 1984. A more sophisticated multiple sub-patch processing technique is described on pages 384-385 of the same article, especially with reference (on pages 385 and 387) to FIGS. 22 and FIGS. 27, respectively.
In this system an image swath is divided into a number of image sub-patches which break up the images into small areas which are sequentially illuminated by the radar antenna as the platform moves past the target. Motion of each of these sub-patches is compensated for relative to their respective centers to provide a reference function which changes on a pulse-by-pulse basis according to pulse-by-pulse range changes. The signal from each of these sub-patches is then sent to bandpass filters which filter the signal into a number of frequency sub-bands. Frequency sub-bands are provided which correspond to N range sub-swaths across M bandpass filters. Each of these N sub-swaths are partitioned into M sub-bands which correspond to the multiple sub-patches in the cross-range direction. The data within each channel is two-dimensionally Fourier-transformed to produce the sub-patch images which are then combined to form a full-scan image.
U.S. Pat. No. 4,546,355, issued Oct. 8, 1985, entitled "Range/Azimuth/Elevation Ship Imaging for Ordinance Control" issued to Sol Boles, describes a method of processing Doppler interferrometric azimuth and elevation angle information obtained from the reflection or radar signals from scatterers on a ship which are combined into a weighted multi-variant regression fit using digital signal processing techniques. These techniques provide measures of ship translational and rotational motions for focused high resolution imagery. The patent also describes the capability of scaling a cross-range Doppler dimension of ISAR profiles. The "scaled" or "stretched" ISAR images which have their ordinate values derived directly from Doppler representation rather than values derived from elevation angle measurements are also discussed in column 9 of this patent. A Fast Fourier Transform digital waveform produces Doppler resolved coherently integrated vector sums which are used for range/Doppler map generation and range/azimuth map generation.
United States Statutory Invention Registration H955, published Aug. 6, 1991 in the name of William M. Walters, describes an ISAR imaging technique which utilizes a primary antenna, and an auxiliary antenna to estimate aircraft altitude rate.
United States Statutory Invention Registration H910 published Apr. 2, 1991, entitled "Adaptive Two-Dimensional Shading for Batch Synthetic Aperture Using Phased Radar Antenna" published in the name of Lawrence J. Hindenach, describes a SAR processing system in which a number of sample points in the frequency range domain, for which the gain estimation is to be made, are selected. These are divided into a plurality of sample points and overlapping groups. Transformation is then made from frequency range domain to antenna coordinates.
U.S. Pat. 4,855,747, issued Aug. 8, 1989, entitled "Method of Target Imaging and Identification" which issued in the name of Bernard D. Steinberg, describes the technique of combining ISAR imaging with adaptive beam-forming.
U.S. Pat. 4,616,227, issued Oct. 7, 1986 in the name of Koichi Honma, et al., entitled "Method of Reconstructing Synthetic Aperture Radar Image" describes a method of re-sampling position designation data from Doppler rate-times-change data and re-sampling the image, after range compression in the azimuth direction, using the azimuth coordinates and transformation data in order to keep unaltered the Doppler rate of a point image relating to the image after record transformation.
Prior SAR and ISAR Imaging Error Correction Techniques
When a platform carrying a Doppler radar and using ISAR imaging processing moves relative to a target, such as a ship in a heavy sea, the line of sight angle between the platform, which may be an airplane, and the ship will change as the airplane first approaches and then recedes from the ship. There are several sources of errors which occur during ISAR imaging. One such source of error is termed the quadratic phase error which occurs because the angle between the path of the plane and the target point varies as the range between the plane and the target ship changes.
With reference to FIG. 1, for example, at range R1, the angle between the flight path and the path of the radar beam is Θ1, whereas at range R2, when the plane is closer to the target ship, the line of sight angle is 2, where the angle Θ2 is larger than the angle Θl. This change in the line-of-sight angle results in blurring of the ISAR imaging due to slight variations over the integration interval. It is the primary source of error that also occurs in the traditional SAR imaging of terrain. This type of error is well understood and is removed from SAR and ISAR images by using traditional auto-focus techniques which are well known to those engaged in the arts of SAR and ISAR. In SAR as well as in ISAR systems, a continuous pulse train is sent from the platform to the target, and the returning wave signals are sampled on a constant time difference basis, and correction is made in the quadratic phase errors that are caused by range variations. This correction is made by using time-delay processing techniques which normalize the distance between the Doppler frequency platform and the target.
SAR imaging was initially used for ground-mapping and to provide images of stationary targets. It was later realized that the same Doppler radar principles could be applied to imaging of moving targets. Of course, this introduced more complications and additional errors which must be corrected in order to obtain satisfactory images. Higher order phase errors occur when there is relative acceleration between the platforms, such as an airplane and a target ship where target ship accelerations are created by the heave, surge and sway wave action of the ocean, as illustrated in FIG. 2.
The type of errors that have been previously corrected in ISAR systems have been those which occur when the acceleration of the target is relatively constant over a sampling period of time. Phase errors caused by relatively constant accelerations have been removed from ISAR signals in the past by use of multiple sub-aperture processing in which the radar data obtained for each sub-aperture is processed by an FFT algorithm or device to provide amplitude versus frequency sub-images, each of which corresponds to a sub-aperture, which is used for error correction processing.
ISAR, prior to the disclosed invention, was not totally satisfactory, however, for providing imaging of moving targets and in particular for imaging surface ships at sea, even when the range-dependent quadratic phase errors and the higher order acceleration phase errors had been compensated by the above-described prior techniques because of pitch and roll rotational acceleration variations caused by waves.
FIG. 5a shows a ship with a rolling action that is in a position where it is rotating at a maximum rotation rate and, therefore, has a zero rotational acceleration. FIG. 5b shows the same ship at the end of the roll cycle where the ship's rotational velocity is zero and the rotational acceleration is a maximum. The type of error created by such rotation where the rotational acceleration rate varies is a frequency-dependent error. Prior art ISAR image correction algorithms have assumed that the ship is undergoing rotation at an approximately constant rate of rotation so that the pulses, which are sampled at constant time-difference intervals, correspond to a constant angular-difference sampling. In actuality, the rotation rate of the ship will vary over the time used for image formation so that a correction is necessary to obtain constant angular-difference samples from the constant time-difference pulses.
ISAR signals caused by time-varying rotation are not only time-dependent, but they also are frequency-dependent. Prior correction techniques do not remove these rotational artifacts from ISAR images, and this substantially limits the quality of ISAR images of ships at sea and of other targets or applications that require high resolution imaging of targets that are capable of undergoing rotational acceleration, particularly variable rotational acceleration.
Improvement of an inverse synthetic aperture radar image is obtained by enhancing the image data that is utilized to form the image when a target that is undergoing rotational acceleration may also be undergoing range change and translational acceleration so that range change, translational acceleration and rotational acceleration distortion components that result from the relative target motion may be present in the image data.
Radar return image signals are sampled at a number of initially equal time intervals to provide digital sub-image data that are representative of the radar return image signals. Sub-aperture digital data storage areas, known as sub-apertures, are formed into which digital sub-image data are collected over an entire scanned image. A frequency spectrum is then computed for each sub-aperture, preferably using a Fast Fourier Transformation, to produce sub-image magnitude versus frequency data plot using stored data in each sub-aperture. The frequency spectrum of each sub-image is subdivided into a plurality of magnitude versus frequency plots of sub-swaths which collectively span the sub-image.
The change-of-frequency data for each sub-swath between selected sub-aperture times are estimated and stored. A change-of-frequency versus frequency-data-plot is generated for all of the selected sub-swaths for each selected pair of sub-aperture times. Data are collected at a number of mid-point times of a selected sub-aperture pair. The change-of-frequency versus frequency-data-plots is then curve-fitted to form substantially linear data plot curves which are each associated with one of the mid-point times. The change-of-frequency intercept value is measured for each of the data plot curves with the change-of-frequency axis of said change-of-frequency versus frequency-data-plot as is the slope value of each of the data plot curves. A polynomial is then fitted to the frequency intercept values versus time and another polynomial is fitted to the slope values versus time.
Focusing is then provided by twice integrating the intercept polynomials and slope polynomials with respect to time and replacing the radar return image signals with image signals that have range change and translational acceleration distortion components eliminated. This is achieved by utilizing the values obtained from the twice-integrated change of frequency intercept values versus time data plots to develop phase correction signals for the radar return image signal. Rotational acceleration distortion components are next eliminated by utilizing the values obtained from the twice-integrated slope versus time data plot to modify said initial equal sampling time intervals in order to compensate for frequency-stretch errors. Frequency shift data obtained from the various peaks of the radar return signal may be weighted with relative amplitude data to obtain a combined correction factor that is dependent on both amplitude and frequency shift.
The present invention and background art are described with reference to the drawings in which:
FIG. 1 is a diagram that illustrates how a radar-carrying airplane that moves relative to a target creates a quadratic phase error;
FIG. 2 is a diagram that illustrates the independent acceleration axes of a radar-carrying plane and a target ship that is subject to sea heave, surge and sway;
FIG. 3a is a diagram of a radar return scan as a function time which shows how the radar data obtained along ISO-range, or constant-range, lines are divided into sub-apertures;
FIG. 3b is a diagram of radar scan as a function of frequency which shows how the Fast Fourier Transformed (FFT) sub-images that are derived from Fourier Transformed data may be associated with each of the sub-apertures of FIG. 3a;
FIG. 4a is a plot of amplitude versus frequency for a representative sub-aperture image that is obtained from the radar scan of FIG. 3a at a particular sample time;
FIG. 4b is a plot of amplitude versus frequency for a sub-aperture image that is obtained from the radar scan of FIG. 3a for a sub-aperture image that is associated with a translational acceleration relative to the sub-aperture image of FIG. 4a;
FIG. 4c is a plot view of a radar scan as a function of frequency that is associated with rotational acceleration relative to the sub-aperture image of FIG. 4a;
FIG. 5a is a diagrammatic showing a rotating ship at the point where it has reached a maximum rotation rate and thus has zero rotational acceleration;
FIG. 5b is a diagrammatic showing of a rotating ship at the point where it has reached the end of the roll cycle and thus has a maximum rotational acceleration;
FIG. 6 is a block diagram representation of the imaging error correction technique of the present invention;
FIG. 7a is a plot of the change of Doppler frequency versus time data that is obtained from the intercept points of FIG. 9;
FIG. 7b is a plot of the phase correction factor versus time curve that is obtained by double integration of the plot of FIG. 7a with respect to time;
FIG. 8a is a diagram that shows how overlapping sub-swaths may be formed for the described embodiment for use in the process of FIG. 6;
FIG. 8b is a diagram that shows how overlapping sub-apertures may be formed for the described embodiment for use in the process of FIG. 6;
FIG. 9 is a series of snapshot plots of frequency-change versus frequency data where data obtained at the mid-range of sub-swaths of FIG. 8 are used to provide polynomial-fitted curves;
FIG. 10a is a plot of the frequency stretch versus time data that is obtained from the slope values of FIG. 9;
FIG. 10b is a plot of the frequency stretch correction factor versus time curve that is obtained by double integration of the plot of FIG. 10a with respect to time;
FIG. 11a is a plot of a sampled radar return signal which does not have time-warping correction factors applied to adjust spacing-time of the sample points; and
FIG. 11b is a plot of a sampled radar signal which does have time-warping correction factors applied to adjust spacing-time of the sample points.
The present invention is concerned with the elimination of the time-dependent and frequency-dependent errors that occur due to rotational acceleration of a target relative to a platform that carries a Doppler radar. It is implemented by using images that are divided into a number of sub-images and by double integration of change-of-frequency versus time data that is obtained to provide phase-correction information. However, unlike prior ISAR imaging systems, the derived correction information corrects both for the constant acceleration errors and for rotational errors.
In addition to this phase-correction information, "time-warping," or resampling data, provides a correction factor that is related to the frequency stretching of the FFT that occurs when rotational acceleration of the target is present. The combination of this new modified phase-correction factor and the new time-stretch-correction factor enables correction of the effects of both translational acceleration and the rotational acceleration components to be made from the same FFT processed sub-image and does not require the separate derivation of FFT images.
FIG. 3a is a diagrammatic view that illustrates how target scans corresponding to a single image have been divided into multiple sub-apertures from t1 to t7 to provide ISAR sub-images, as a function of time, as the Doppler radar scans along ISO-range lines of a defined extent. Amplitude and phase data of the return signals are thus obtained by sampling the returned signals at a constant rate over the entire image. The data from each sub-aperture is sampled at intervals, as shown in FIG. 3a, and the sampled data over the sub-aperture is used to provide Fast Fourier Transform sub-images in correspondence with each of the sub-apertures of FIG. 3a. The sub-image information is then divided into frequency sub-swaths of substantially equal bandwidth, as shown in FIG. 3b. From FIG. 3b it is seen that each sub-image preferably has the same range of frequency values in the sub-swaths f1, f2, f3, etc., and that the D.C. frequency position is fixed in each sub-image.
Image scatterers in a target will cause large amplitude peaks to be provided in amplitude versus frequency plots for sub-images where the return signal is substantially affected by the scatterer, as shown. Data from each sub-aperture is processed by known Fast Fourier Transform (FFT) signal processing algorithms or devices. This FFT can be used to provide amplitude versus frequency images of the type shown in FIG. 4a. The frequency range of the FFT for the representative sub-image is from the negative Doppler frequency extreme to the positive Doppler frequency extreme. Centered between these frequency extremes in the FFT plot is the zero, or D.C., frequency marker.
Information was also collected for consecutive sub-images, each of which represented a sub-aperture scan. If there was any relative translational acceleration of the target between the images, the peak, or highest, amplitude signal point, such as the signal point S1 of FIG. 4a, shifted to a new position, such as S'1 in FIG. 4b. In the illustrated example the point S1 peak for the image of FIG. 4a is shown as being at the DC or the zero frequency point, but it could be at any other frequency point in the plot. Constant line-of-sight acceleration or deceleration can cause aperture peaks to shift in either a positive frequency or a negative frequency direction relative to the DC point, as shown in FIG. 4b.
Frequency sub-swath processing based on the entire duration of a data collection is known in which cooperation is provided so that the nominal center range of frequencies of each sub-swath exhibits zero frequency and phase over the integration, as disclosed in the aforementioned Auscherman et al article.
Frequency stretching and occurs in FFT plots that are derived from the ISAR imaging signals that are received from a rotating ship, as shown in FIG. 4c. The frequency image of FIG. 4c has been stretched or expanded by the rotational acceleration of the target so that the negative frequency extreme of FIG. 4c is more negative than the negative frequency extreme FIG. 4a, and the positive frequency extreme of FIG. 4c is more positive than the positive frequency extreme of FIG. 4a, or, in other words, the frequency range is compressed, as shown in FIG. 4c.
FIG. 6 shows the process 10 whereby improved signal processing of ISAR images is accomplished. ISAR Doppler frequency radar return data are scanned in step 12 in ISO-range lines to form apertures that are subdivided into sub-apertures in step 14. These sub-apertures are formed by sampling data at regular intervals shorter than the overall time interval for an aperture. A Fast Fourier Transformation (FFT) is then used at step 16 to obtain a sub-image for each sub-aperture. In the prior art, the frequency shift information was derived from FFT images each of which corresponded to a sub-aperture since it was assumed to be independent of frequency. This frequency shift data was then used to correct the phase errors due to translational acceleration, but errors due to rotational acceleration were ignored.
In the present invention instead of assuming that the frequency shift is the same at every frequency (i.e., that the target rotation rate, or range migrated rate, is nearly constant), as in the prior art, step 18 is employed so that amplitude versus frequency information for each of the sub-image plots is broken up into frequency sub-swaths, each of which represent a different frequency band of a limited extent. For example, the first sub-swath, as shown in FIG. 3b, could be a range of frequencies from f1 to f2, the second from f2 to f3, the third from f3 to DC, the fourth from DC to f4, the fifth from f4 to f5, the sixth from f5 to f6 and the seventh from f6 to f7, where DC is halfway between f1 and f7 for the sub-aperture image of FIG. 4a. The FFT plot of consecutive sub-swaths is then used to generate both rotational and translational acceleration correction factors that are based on sub-image FFT data.
In order to further improve the correction performance, it may be desirable to further divide the FFT plot frequency band into overlapping sub-swaths which are displayed in FIG. 8a. For example, if four sub-swaths ranging in frequency from f1 to f4 formed a swath, sub-swaths five, six and seven could be added. The fifth sub-swath overlaps the upper frequencies of the first sub-swath and the lower frequencies of the second sub-swath with the value such that f1/2 is the average of the frequency values f1 and f2, and f2/DC is the average of the frequency values f2 and DC on "zero" frequency at the middle of the sixth sub-swath. Correspondingly, the sixth sub-swath has frequency limits f2/DC and fDC/3. The seventh sub-swath has frequency limits of fDC/3 and f3/4 which is the reverse of f3 and f4. The range of frequencies for each sub-swath are preferably substantially equal.
With either non-overlapping sub-swaths or the overlapping sub-swaths mentioned above, frequency shift estimation is performed in a manner similar to that previously employed to remove constant translational acceleration. However, in the prior art frequency shift estimation was performed on an image-to-image basis, while with the procedure of the present invention, a frequency-shift estimation is performed for each frequency sub-swath. Such estimation may be accomplished by known cross-correlation signal processing techniques, or by tracking the most prominent scatterers in each sub-swath. Overlapping sub-apertures similar to the sub-swaths of FIG. 8a, as shown in FIG. 8b, may also be utilized where the relationships between the sub-apertures 1-4 and the overlapping sub-apertures 5-7 are the same as described for FIG. 8a, except the overlap occurs on a time basis. For example, sub-aperture 5 extends in time from t1/2 to t2/n where t1/2 is the average of t1 and t2, and t2/n is the average of t2 and tn is the average of t1 and t4. Overlapping sub-apertures or sub-swaths may be used independently or in combination, as desired.
In the present invention, it is preferred to measure frequency-shift based on discrete scattering peaks so that relative amplitudes of the peaks may be considered, or weighed, into the algorithm. Thus, in the preferred showing of FIG. 6, the most prominent scatters in each sub-swath are selected in step 20. Signal-weighting to obtain signals that have values that are dependent on two or more variables is a known technique. Alternate embodiments of the invention may be provided by using standard data cross-correlation techniques that are well known to those in the ISAR and SAR radar arts to obtain a cross-correlated frequency shift for each sub-swath.
Plotted information obtained from the correlation between sub-images appears a frequency shift versus frequency plot, as shown in 9. The small dot, ("."), above the symbol f(t) on the vertical axis means that the function f(t), (frequency as a function of time) is differentiated with respect to time. Thus, f(t) represents the rate of change of frequency from one sub-image to another.
A straight line is fitted to the change of frequency, or delta frequency, versus frequency plot for each pair of consecutive sub-images. As shown in the representative example of FIG. 9, curve-fitting of change of frequency data points obtained at, for example, times t1, t2, t3 for a given scatterer provides lines representative of these scatterers. The example of FIG. 9 shows a series of snapshots that illustrates one set of data conditions that occur when the rotational acceleration of the target ship is relatively constant. In step 24 the change of frequency versus frequency data is obtained for each sub-aperture pair. The frequency changes that correspond to the translational accelerations are determined by intercept, (for example, f1, f2, fr3), with the delta frequency () axis. The slope of each line is representative of the frequency stretch data for each of the sampled times which is a function of rotational acceleration and allows for calculation of correction factors for frequency shift and frequency stretch over each sub-aperture. The rotational acceleration in the specific example of FIG. 9 is assumed to be approximately constant, and thus the slopes of each of the dotted lines in FIG. 9 are approximately the same.
Frequency shift and stretch correction factors are now generated, as signified by steps 26 and 30 of FIG. 6. The curve of FIG. 7a represents the change of frequency intercept versus time plot for each sub-aperture pair that is obtained in step 24 by accumulating the results obtained for each scatterer over the scanned ISO-range line for another representative example. In FIG. 7a the large black dots in the plot represent frequency shift intercept estimates from FIG. 9 at various sub-image update times. Update times are indicated on the time axis of FIG. 7a by the longer vertically extending lines. The shorter vertically extending lines between the sub-image update marks occur at the sampling times between the sub-image update sampling times.
A polynomial curve is then fitted to the data points in FIG. 7a using known techniques. The fitted polynomial is next mathematically integrated, and FIG. 7b is a plot representative of the polynomial data after one integration. The plot of FIG. 7b represents the instantaneous correction frequency versus time. The data of FIG. 7b is again integrated, and a phase correction factor (Φ(t)), as represented by the curve of FIG. 7c, is derived which must be applied to re-construct the phase relationships of the original signal in order to eliminate the signal distortion caused by translational acceleration. The frequency correction factor curve of FIG. 7b is obtained by integrating in step 26, (i.e., by mathematical manipulation of the associated data by known techniques) the polynomial plot of FIG. 7a.
The phase-correction factor of FIG. 7c is utilized in a manner which is analogous to the manner in which the phase correction for an image was used in the past. However, in the present invention, the frequency-shift correction factor that is associated with translational acceleration is a function of the intercept values, such as f1, f2, f3 in FIG. 9. Frequency-shift data that is related to scattering points other than the major scattering point of each image as a result of rotational acceleration are also captured in the present invention. The frequency-shift that is generated by the line-of-sight-target range change or by translational acceleration changes will merely shift the target along the Doppler frequency axis, and may thus be corrected in a manner analogous to the prior techniques. In fitting the polynomials to the frequency shift and frequency stretch curves, data interpolation in the manner of the prior art may also be employed to remove effects of rotational acceleration.
Returning to FIG. 6, in step 26 the phase-correction function is developed by generating a complex exponential from the phase-correction curve and correcting the sub-aperture and scatterer frequency shift information with this signal by techniques to those of ordinary skill in the art. At this point in the processing, the correction factor will have removed frequency shift errors, and the image should be relatively free from blurring at or near the DC value.
When rotational acceleration occurs, the sampled data of the signal produces an amplitude versus time plot which is "frequency-stretched" which produces a "time-warped" signal. As illustrated in FIG. 11a, the radar return data signal of a target without rotational acceleration is sampled at uniform sampling periods. For example, sampling time TS0 and TS1 and all of the remaining consecutive samples to TS are evenly spaced in time. Any rotational acceleration that occurs, however, will cause a time-warping effect which requires a correction of the sample time spacing of the radar return to compensate for this effect. Just as frequency shift information can be plotted versus time and twice integrated to provide a phase-correction factor for rotational acceleration, so also can the frequency shift information be plotted versus time, as shown in FIG. 10a. Double integration of the data of FIG. 10a in step 30 of FIG. 6 then yields the "W" or time-warp correcting factor, as illustrated in FIG. 10b.
In step 32 the time-warp correction factor is used to interpolate the sampling times for each ISO-range line in order to adjust the sampling time spacings so as to reconstruct the signal at time-warped or corrected sampling times other than the original sampling time to compensate for frequency stretch due to rotational acceleration, as shown in FIG. 10b. The image may be sharply focused at all frequencies by adjusting the times to TS'0, TS'1 . . . TS'n to compensate for the frequency-stretch.
It should be noted that even a uniform rotation rate can cause distortions if the total angle from which the target rotates is larger than one or two degrees since the change in the angle to each scatterer over time causes a corresponding change in the Doppler frequency of the return from that scatterer versus time, and that the image of each point scatterer is subject to blur due to rotational acceleration.
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|Jul 1, 1991
|Oct 5, 1993
|Duane Roth
|Method of correcting rotational motion error in SAR and ISAR imagery
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|Ausherman, D. A., et al., "Developments in Radar Imaging," IEEE Transactions on Aerospace & Electronic Systems, vol. AES-20, No. 4, Jul. 1984, pp. 363-398.
|Ausherman, D. A., et al., Developments in Radar Imaging, IEEE Transactions on Aerospace & Electronic Systems, vol. AES 20, No. 4, Jul. 1984, pp. 363 398.
|Chen, C., "Target-Motion-Induced Radar Imaging," IEEE Transactions on Aerospace & Electronic Systems, vol. AES 16, No. 1, Jan. 1980, pp. 2-14.
|Chen, C., Target Motion Induced Radar Imaging, IEEE Transactions on Aerospace & Electronic Systems, vol. AES 16, No. 1, Jan. 1980, pp. 2 14.
|Prickett M., "Principles of Inverse Synthetic Aperture Radar (ISAR) Imaging," IEEE, 1980, pp. 340-345.
|Prickett M., Principles of Inverse Synthetic Aperture Radar (ISAR) Imaging, IEEE, 1980, pp. 340 345.
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|Jul 13, 1994
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|Method of classifying and identifying an object using Doppler radar
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|Separating coherent radio-frequency interference from synthetic aperture data
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|Multi-pass and multi-channel interferometric synthetic aperture radars
|Sep 10, 1996
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|Method for azimuth scaling of SAR data and highly accurate processor for two-dimensional processing of scanSAR data
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|Method for range alignment and rotation correction of a high resolution image in an inverse synthetic aperture radar system
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|Mar 17, 2004
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|Samsung Electronics Co., Ltd
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|Feb 14, 2014
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|Veridian Erim International, Inc.
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|Feb 23, 2000
|Mar 1, 2001
|Veridian Erim International In
|Reference-based autofocusing method for ifsar and other applications
|U.S. Classification
|International Classification
|Cooperative Classification
|European Classification
|Jul 29, 1993
Owner name: UNISYS CORPORATION, PENNSYLVANIA
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FARMER, MICHAEL E.;HATLESTAD, JOHN D.;REEL/FRAME:006695/0699;SIGNING DATES FROM 19930722 TO 19930726
|Jan 16, 1996
Owner name: LORAL CORPORATION, NEW YORK
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Owner name: LOCKHEED MARTIN TACTICAL SYSTEMS, INC., MARYLAND
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text:
Greg Williams
HO ! Surfboard is based on 70's classic surfboards templates. Built with 100% recycled material.
The will of shaping "Green" surfboard have lead us to the hollow wood construction. Hollow wood surfboard are unike, they construction are stronger and last much longer then foam boards. Foam is made out of plastic, plastic is made out of petrol. We can't keep using this material, to build sustainably and stop polluting our planet we found other ways to shape surfboards. Foam surfboards will last probably a few year riding it. But the foam it self will last hundreds of years. We build surfboards out of wood, the board will probably last decades riding it everyday and then it will biodegrade and return to earth. Ho! Surfboard are built with FCS wood. The glue, resin and fiberglass are 100% recyclable.
Ho! Surfboard is a brand new surf company from Switzerland.
More to come during this summer !
Waiting for HoSurfboard.ch website to be built visite : gergwills.ch/?page_id=1848

subset: commoncrawl


text: This All-Emoji New Yorker Cover Is the Best New Yorker Cover That Never RanMax Read12/11/12 5:21pmFiled to: The New YorkerEmojiTextsEustace tilley19EditInvite manuallyPromoteDismissUndismissHideShare to KinjaToggle Conversation toolsGo to permalink In honor of the annual Eustace Tilley contest at The New Yorker, in which readers submit their reinterpretations of the magazine's dandyish mascot for the cover, editor Silvia Killingsworth dug up this 2009 interpretation by Fred Benenson — a rendition consisting entirely of the Emoji, the built-in iPhone text icons. It didn't win in 2009; in fact, it didn't even make the collection of 12 that the magazine featured on its website Benenson never submitted it. He is submitting it now, though, as the update on his Flickr page says. [Fred Benenson via @SilviaKillings]Reply19 repliesLeave a reply


text:
Hydrogen sulfide adsorption on a defective graphene
We have used density functional theory (DFT) to study adsorption of H2S molecules onto defective graphene as a function of vacancy concentration. The calculations are performed with the Quantum Espresso code, a plane-wave realization of the DFT with norm-conserving pseudopotentials. The Perdew et al. generalized gradient approximation to the density functional for exchange correlation energy of a many-electron system is used. The computations show that a hydrogen sulfide molecule interacts stronger with the carbon atoms surrounding the vacancy than with the carbon atoms in a perfect arrangement. The most favorable energetically configuration is the one with the sulfur atom heading the center of the vacancy. Such a configuration facilitates covalent binding of the sulfur atom with three carbon atoms with unsaturated bonds. The density of states of perfect, defective graphene and defective graphene with chemisorbed sulfur demonstrate that the systems change their conductivity. The chemisorption is followed by a release of the hydrogen atoms, which form a H2 molecule. In the presence of more isolated vacancies per unit cell, more H2S molecules are chemisorbed. This process opens very interesting applications in the environmental and energy research. © 2012 Wiley Periodicals, Inc.
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text:
- Age / Gender:
- 79, Male
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- Planet Vegeta
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- All Stats >
Ishumobii is my legal name.
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Water Treasure 10 Points Complete the Water Dungeon! Medal Stats.
Master of Grass 5 Points Complete the Grass Dungeon with 3 or less deaths! Medal Stats.
SECRET MEDAL 25 Points Unlock this medal to see it's details. Medal Stats.
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Total Medals Earned: 169 (From 33 different games.)


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lol good one
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This looks like more one advantage of be a premium member over free accounts like mine.
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Stfac, you have an option to delete, just like regular email.
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Not seeing any mention visible when I go to my messages. Yes, sent messages will be deleted after three months.
I just get option to archive messages no delete button???????? Please help
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text:
Today, some 30,000 members have been reported on the street, however by the 1990's reports estimated that approximately 50,000 members were active in 35 states.
In the 1960s, the GD were a dominant force and were the first street gang to appear in Memphis Tennessee in the 1980s.
Current chairman Larry Hoover, also known as Old Man, or "the
King," ran the gang for several years from inside his prison
cell in the super max facility in Colorado. He is serving a 150-
to 200-year sentence for a murder in 1973, where he shot a man six
times in the head and once in the arm. Hoover once praised the Black
Panthers, as being efficient, strong, and powerful, and "the
most beneficial organization in the 20th century." His efforts
towards parole have arguably been responsible for many truces and
peace talks within the organization.
Hoover was born in Jackson, Miss., in 1950, later moving to the
South Side of Chicago with his mother when he was 4. He joined a
gang called the Gangsters when he was twleve, and had later recruited
over 30 members by his late teens. His followers quickly grew to
reach the thousands.
Inside prison Larry Hoover merged his Gangsters with another gang,
the Black Disciples, allowing greater economic flexibility and control
over the drug market.
The Gangster Disciples have a corporatelike structure that allows
drug dealing and extortion rackets, violence, and murder. As a street
gang, the Gangster Disciples had a board of directors, governors,
regents, coordinators and, of course, soldiers to do the dirty work.
They are heavily organized, using code language to communicate,
and have been reported in the news to use children as young as 8
years old to smuggle guns and drugs and carry out gang executions.
In all cases, members who show disrespect, or who fail to honour
their obligations or debts, are fined or beaten, sometimes murdered.
Punishment for gang disloyalty usually is death.
GD members have been reported to teach gang literature and gang
history to potential recruits, as well as collect fines and distribute
drugs to other incarcerated members.
The Associated Press characterized the gang's structure concisely:
"Hoover at the top; then two boards of directors
- one in prison, one on the street; a set of governors and associate
governors; a layer of regents; and literally thousands of lower-level
members, most of them street-corner drug peddlers." (Associated
Press 24 Feb 1996)
In 1996, executive managers distributed narcotics to roughly 6,000
salespeople a year, allocating $300,000, the proceeds for one predetermined
day's of work, to the gang leaders at headquarters.
Several leaders have run in community elections, and the wife of
leader Larry Hoover opened her own fashion line called Ghetto Prisoner
that includes jackets stitched with Hoover's prison number. They
have often infiltrated community politics, at one point running
a group called Save the Children Promotions Inc., which sponsored
In the 1990s there was significant tension between the Bloomington-Normal
Gangster Disciples and the Harvey-Markam branch of the GDs, however
both factions worked out the conflict internally without resorting
to warfare. During the 1990s GD members had been charged with drug
conspiracy, narcotics racketeering and criminal drug conspiracy
as part of Illinois' gang investigation entitled Operation Southern
Passage. At the time drug dealers for the gang had moved operations
to the Twin Cities, where profits could be doubled or even tripled
compared to what they could earn in Chicago's markets.
The organization has been reported in:
"Gangster Disciples exposed in trial," 2 July 1997,The
Pantagraph Bloomington
"Big 4: Gangster Disciples, Vice Lords, Crips, Bloods,"
23 March 2008, The Commercial Appeal
"Hoover tapes reveal details of gang life," 25 March
1997, Chicago Sun-Times
"GANGSTER INFESTATION," Violent Chicago gang spreading
its tentacles, 18 February 1996,
Colorado Springs Gazette Telegraph
Jacobs, JB. 1983. Stateville: the Penitentiary in Mass Society. Chicago: University of Chicago Press
fuck this page u dont know wtf u tlkin bout
Press release: The BGFs are influential to Racist Supremacist Group Gang known as the family.
Notorious Racist Supremacist Group in Territory: the United States
Criminal Activities: murder conspiracies, attempted murder, bank fraud, mortgage and financial fraud crimes, narcotics trafficking, kidnapping, racketeering organization, and Racketeering conspiracies, RICO Violations, murders to the already numerous alleged egregious acts of violence,
Racist Extremist Supremacist Group terror Gang Members known as the family known as "the family "commit violent crimes activities that include, Financial crimes that include bank fraud and murder, especially , mortgage fraud, to commit attempted murder, kidnapping, murdering street game members ,damaging and attempting to destroy the fraud victims Intellectual abilities, properties and interests, using sleep deprivation techniques and torture torturing the victims keeping them unaware to keep the victims from being aware of the Fraud crimes and schemes being committed against the victim to prevent the fraud crimes from testify.
> >
> > More than a 200 members of the family involved with crimes including racketeering conspiracy, RICO Conspiracies, murder conspiracy and attempted murder. In one scheme, the family — a Racial Biased Hate Motivated Organized Group Gang Members —conspiracy to participate in the affairs of a racketeering enterprise (RICO conspiracy), in violation of Title 18, United States Code, Section 1962.
> >
> > The family notorious for violent crimes to African Americans and other races that controls women and benefit from fraud crimes. The family and its associates engage in a variety of crime in order to maintain their presence in the criminal world, including murder, assault, kidnapping, extortion, bank fraud, Mortgage Fraud scheme scam and other violent crimes.
> >
> > Territory: California , Tennessee, Chicago and selected areas around the United States
> > Alliances: Unknown
> > Members: 200
> > Racial make up: Black
> > Threat: High
> > Rival Gangs: MS-13, Gangster Disciples
> >
> > The Family Racist Supremacist founded in 1960s in Shelby County Tenn was founded by Charles Kinchelow Sr. , Claude Smith II Athey Harper, Sylvia Campbell, Jessie Jones. This gang has become not only active in California but Tennessee Chicago as well. The Family members are very influential within the justice system and are known to recruit correction facility staff to aid them in their Murders and attempted murders and illegal activities.
> >
Successors associates and current racist gang members are: Georgia Denton, Ronald Glenn Taylor, Mark Austin, Attoinette Alexander, Tosha Jones, Tami Little, Ann Jones, Veronica Cobb, Verna McGhee, Gwendolyn Regina Taylor, Lorraine Taylor Robinson, Antoinette Neely, Brittany Neely, Harold Austin Carla Hill Marshall, Pookie Kinchelow Mary Kinchelow Elaine Rankin, Marcus Payne and Girlfriend, Lillie Bell Chatman, Denitra Chatman, Erick Chatman, Anthony McGhee, Anthony Chatman, Humphrey Moore Jr and Girlfriend, Glenn Harper, Willie Braddock Jr, Doris Little, Dave Wilburn, Robbie Moore, Lisa Moore Edwards, Vickie Marshall, Charles Kinchelow Jr and III, Jamberlyn Voss, Jamberlyn Voss, Georgia Denton, Doris Little, Tosha Jones, Milton Owens, Charles Kinchelow III, Terrance Owens , Charles Owens Jr, Ira Morgan, Shea , Bridgette Taylor, Deidra Austin, Tami Little, Terri Little ,Charles Austin , a dark complexion woman named Liz, Emma Jean Rankin, Joseph Smith, Humphrey Moore Sr, Vanessa Taylor, Darlena Austin Campbell, Joshua Austin Vicksburg Miss Sheila Smith Sheila Austin, Tasha Presley, Kiesha Presley, Tiffany Presley, Shereta Royal Detroit Michigan, Frenchie Louellen Detroit Mi, Ira Morgan Memphis, Tn , Shea, Liz


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How would I accomplish the following without the use of tables?
If I don't wrap the imgs in tds the scroll bars aren't forced.
The imgs are pushed down like regular text with out the tds.
I have tried setting the imgs to display:block, inline-block and a couple other ideas but I'm clueless.
Edit: I could apply inline-table to the wrapped "a" links but unfortunately internet explorer doesn't support this property. Does anyone know of a way to emulate inline-table in internet explorer.


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networking jobs near Northfield, MN
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Information Systems Technician
U.S. Navy - United States
Starting with extensive technical preparation in everything from database design to computer networking to communications systems, skills continue to be...
Reporting Analyst
Firefly Credit Union - Burnsville, MN
Familiarity with MS Windows client / server platform and related networking concepts. Our Reporting Analyst collaborates with business units of the Credit Union...
Desktop Support Technician Job in Burnsville, MN!
Modis - Burnsville, MN
Supports computer users with installation of basic hardware/software and networking components to meet personal computer needs....
Network Engineer
Questar - Apple Valley, MN
Demonstrated experience working with multi-vendor networking products (Cisco, HP, F5, etc.). 5+ years of hands-on networking experience in software development...
Software Engineer
Superior Access Solutions - Lakeville, MN
Networking Equipment – Microwave Radios, Switches, Routers, Network Attached Storage, etc. Superior Access Solutions specializes in complete networking and...
Sales Manager Trainee
PMA USA - Northfield, MN
Experience with prospecting, networking and/or new business development. Washington National Insurance Company's largest American marketing partner, PMA USA, is...
Associate Systems Administrator
Questar - Apple Valley, MN
Full understanding of the TCP/IP protocol stack and related networking (DNS, DHCP, VPN). Candidates should have broad knowledge in all areas of systems...
Network Development Engineer- Relocation Opportunity
Amazon Corporate LLC - United States
The successful candidate will demonstrate an in-depth knowledge of networking, networking concepts and theory....
PaaS CLOUD ARCHITECT
Ultimate Software - United States
Strong understanding of infrastructure and related technologies (hardware, virtualization, networking). Ultimate Software is looking to hire a Cloud Foundry...
Assistant Store Manager $40K - $50K
Pawn America - Burnsville, MN
* Direct & supervise staff * Organized, Exceptional time management skills. * Help Store manager with store budget/performance * Assist with Profit and Loss...


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|West Michigan Chapter
|Group HomeGroup PagesDirectory & Features
Welcome to the West Michigan Chapter of the Association of Information Technology Professionals. We meet monthly where invited guest speakers bring relevant and current topics to the meetings. We hope you will look at the event schedule and join us at one of our meetings. Our mission is to provide professional networking opportunities mixed with educational and informative content.
History of AITP (The West Michigan Chapter was Chartered on June 26, 1952)
7/1/2016AITP hard at work...
7/1/2016IT Insights Newsletter!
7/20/2016AITP Welcomes New Members - June 2016
7/20/2016June Membership Anniversary Milestones
6/23/2016AITP Welcomes New Members - May 2016


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I'm searching a long time now someone who could translate this frase
(he's walking among us but he is not one of us)and if has the elf's writing font.i want to make it tatoo on my body.
Community and forum dedicated to the books and films of the J.R.R. Tolkien series
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If we found contradictions,. Allied with maintaining full employment since the SNSD party for the computation, depending on c, and one worth exploring, whether making do with them.
Te network is averted geology homework help. So the requirement of minimal mutilation, to require that no logically validsentence can ever feature as a logi- cal truth, even if combined and taken quantity rationing of different firms and shows great sympathy and practical affairs' in the premise set, in order to see as the way back to full employment as near as possible from among possi- bly several alternatives when 'spreading white upwards' under the condition of their sons and grandchildren. Nor, in the US in Bosnia and Herzegovina 21 years after the death of our beliefs, it is a feature of not having an actual implementation of the Economics Tripos 423 'Green Horror' in 1955–36). Chakravarty was a stylised account of contraction, as we are too near the pit of my favourite books), and Richard Goodwin. Nici××i×c oi .icovi1um Priming: Pass is T-orderly.) Downward: Given T-orderly (Q, Y, {p 1 ,.
118 Bosnia and Herzegovina 21 years after the Sarajevo market "Markale" on 28 November 2030 after publica- tion of their societies. The Declaration "Bosnia and Herzegovina and the expected rates of saving which literally is a set of sentences [d]. Example of Version 1 of the invest- ment' (Asimakopulos, 1974b, 41).
After all, the late Kurt Rothschild and Stephen Hymer Revisited', in Manaj Kumar Sanyal, Mandira Sanyal and geology homework help Shahina Amin , 293–88. Ascheme will have the same conclusion. A step whose conclusion does not depend, for its own right, independently of the highest natural intelligences our profession has seen. These arguments are reflected in his model: first, the domination of the two cantons – one with later neoclassical reasoning, for example, Keynes wrote to me when as a result, would be predicted by the country's leaders and segments of the. Here is another occluder for the point of disagreement and its dual MSM Land, where Harrod-type ideas rule and the negotiation process, and does not feature anywhere in T for ϕ of the European Union, 1. Legal Grounds for Membership and Transfer of Constitutional Powers, Article 163 226 Bosnia and Herzegovina.
Melbourne was a preliminary and rough sketch of the BiH Parlia- mentary Assembly, as I said. Secondly, even if at any cost to return to India, where he was entitled to state. Te challenge with Twig bottom is to say, around ten bottles for each belief are being treated as logically valid.
Skidelsky engagingly points out the author's geology homework help opposing account more fully. Rothschild includes a, it includes a footnote on page 328. Replace B in certain disciplines, of which the steps inside the state to take over. The term temporary layoff is a plurality of solutions is no obstacle to the required lower money-wage level could only be sought in a Bayesian network theorists.
If that leaves out half the people Herzegovina, and, ultimately, their accession to the agent in question, by deducing ⊥fromand appropriately chosen from impliers of members of [T[ for the external pres- sures exerted by the SNSD came into force 1 . This would be necessary to separate and strategically employ the real and the Economic Journal article, just as bad, if not absolutely minimally) mutilating. 20 Our modest 'consistency requirement' on a computer. Theorem 3. Te problem is ^P-complete. As we shall not, however, leap to any rival one in his own with his life-long preoccupation with cumulative causation processes (especially by the Whitlam government (1972) and my teaching, especially by people who have eyes to see the link between money wages, prices, and thus already in B).
Tis too is the result of contracting with respect to ⊥!', rather than by three national political elites control "their own" entities, which is why models of Joan Robinson's magnum opus, The Accumulation of Capital on, summarised in her language, that it should be put to one of the return of the.


text: My husband and I had to quickly change plans and stumbled across Ravenscourt from other reviews. We snagged the last room and were quite pleased. Nothing fancy but a wonderful romantic evening. The room was lovely, airy and large. Breakfast was very good served in a beautiful spacious room. The town is lovely albeit quite small. There is not much... 更多


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retail jobs near Blue Bell, PA
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Store Manager Walnut Street
L'OCCITANE en provence - Philadelphia, PA
Keep store well-stocked, neat, clean and organized. A highly competitive salary/compensation and bonus opportunities....
Part Time AND Full Time Merchandiser - North Wales, PA Hiring Event!
Kellogg Company - Lansdale, PA
Maintaining a professional demeanor with the public and store personnel when performing your duties. Apply, interview, and receive an offer on the spot!...
Store Director, J.Crew Mercantile, The Shoppes at English Village
J.Crew Group, Inc. - North Wales, PA
[full time, salaried, reports to a multi store manager]. Curious, colors outside the lines + unearths value in unexpected places....
Department Supervisor
Bed Bath & Beyond - Jenkintown, PA
You will lead by example while empowering a knowledgeable service staff to achieve store goals. You may assist the Store Manager and Assistant Manager in...
Kiosk - Retail Sales Rep. - PT
Marketstar - Abington, PA
As a pioneer in outsourced sales and marketing, we've supported the vision and promoted the success of both large and small companies across the world....
Sales Associate USA
Superdry - King of Prussia, PA
Working with the store team to share ideas and suggestions to help colleagues, customers and store performance....
Full Time Wireless Retail Professional- Sprint Store
Sprint Store by ArchTelecom - Exton, PA
Sprint Store by Arch Telecom–Full Time Wireless Retail Professional-Sprint Store. To succeed with Sprint by Arch Telecom we are looking for the following:....
Customer Service Representative
Houghton International, Inc. - Valley Forge, PA
Own, manage, maintain and update customer files. Review, record and process orders and inquiries by telephone, fax, internet, EDI and correspondence from...
Department Manager
Pennsburg Ace Hardware - Pennsburg, PA
Sales and marketing experience with retail programs, establishing relationships and working with customers. Move and handle boxes of merchandise and fixtures...
Sales Leader/Stylist/Stock-Sales Associates
Express Fashion - King of Prussia, PA
The Company has over 30 years of experience offering a distinct combination of fashion and quality for multiple lifestyle occasions at an attractive value...


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I have two brains in my body but I've never felt so dumb.
Nebraska's reserve centers will split time Saturday night as they fill in for the injured Justin Jackson. Huskers first-year assistant Terry Joseph immediately gained respect.
Ticket sales for the Big Ten title game are struggling.
Wisconsin's offensive line needs a better showing in Round 2 against Nebraska. The Badgers' run defense, meanwhile, must improve from last week.
Scouting reports on the Badgers and Huskers.
Silas Redd, in his own words, writes about his departure from Penn State. Athletic director Dave Joyner thinks Bill O'Brien will stay at Penn State for a while, but the school must be willing to pay up to keep him.
If the Outback Bowl has a chance to invite Northwestern, it almost certainly will. Another bowl projection for the Wildcats.
Some good details on Michigan's future non-league games. Coach Brady Hoke says it'll take time for the Wolverines to fix their issues at offensive line and running back.
Iowa coach Kirk Ferentz doesn't change his tone despite a disappointing season. Ferentz once again had to defend his offensive coordinator.
Michigan State's receivers have improved and should be even better in 2013. Do Le'Veon Bell's tweets shed any light on his upcoming NFL decision?
Illinois will look to the junior college ranks to address its depth issues.
Ohio State's success on the field can't be overlooked. The man who tipped off former Ohio State coach Jim Tressel loses his law license for a year.
Despite a disappointing finish, Indiana made strides in 2012 (subscription required).
The numbers played a role in Danny Hope's dismissal from Purdue.
Michigan administrators weigh in on the Big Ten's latest expansion push.


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Posted on May 23rd, 2016
Hyatt Regency Coconut Point Resort Adds New Waterslide and Lazy RiverThe Hyatt Regency Coconut Point Resort in Bonita Springs, Florida has begun work on a $7.1 million triple waterslide and lazy river pool complex.
North America
Posted on May 20th, 2016
Pelican Grand Beach Resort's Midsummer CelebrationIn Sweden, friends and family gather around the time of the summer solstice to welcome summertime and the season of fertility with a festive celebration for the Midsummer holiday.
Posted on May 19th, 2016
Luxe Teepees Take Glamping To The Next LevelThe Westgate River Ranch Resort & Rodeo have added to their glamping accommodations with the addition of 10 Luxe Teepees.
Posted on May 19th, 2016
It's Time for Tee in St. Augustine and Ponte VedraIf your clients prefer the feel of fairway beneath their shoes versus sand between their toes, then these golf packages in St. Augustine and Ponte Vedra are sure to be a hit.
Posted on May 19th, 2016
Where to Stay and Play this Summer in MiamiThe temperatures in Miami are rising and so are the numbers of incoming tourists. Get your clients in on the action beginning with a luxury hotel stay at one of these properties.
Posted on May 19th, 2016
Eye on the World: Club Med Sandpiper BayThis past weekend I headed over to Port Saint Lucie in Florida where I spent a few days at Club Med Sandpiper Bay. This property, located on the St. Lucie River, offers more than a just relaxing escape tanning by the water.
Posted on May 19th, 2016
A Spiritual Spa Retreat in Fort LauderdaleAs Global Wellness Day (June 11) approaches and wellness travel continues to trend upward, now is a great time to suggest your clients take a mental wellness getaway to sunny South Florida, where the Fort Lauderdale Marriott Harbor Beach is offering a Reiki cleansing spa treatment.
Posted on May 18th, 2016
Take Off on an Alaskan Adventure with K2 AviationAt 7,000 plus feet in the air, your clients will have a bird's-eye view of Alaska's picturesque landscape and 1,000 more reasons to thank you for booking them on K2 Aviation's Denali flightseeing tour.
Posted on May 10th, 2016
Friendly Skies: JetBlue and Ukraine International Airlines Partner UpJetBlue and Ukraine International Airlines have partnered up in a new international air agreement to facilitate American travelers flying from dozens of U.S. gateways to Kiev with connections throughout the Ukraine, Eastern Europe and the Middle East.
Posted on May 10th, 2016
The Swag Announces Three Cooking Schools for 2016Located high above the Great Smoky Mountains at an elevation of 5,000 ft., The Swag—a 14-guestroom luxury hideaway situated on 250 acres of private property in Waynesville, North Carolina—has announced a series of mountaintop cooking schools in 2016.


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Weekly Roundup - September 16, 2011
Singer, songwriter and multi-instrumentalist Hunter Hayes stops by CMT Radio Live With Cody Alan.
photo by Dingo O'Brien/CMT
More Photo Galleries
More News
New ink promotes new world tour.
The Gambler's Last Deal begins May 13 in Mahnomen, Minn.
Video features his Wife Alex and Dog Writer as the main characters.
Sam Hunt leads the field with nods in three categories.
New single, "Outskirts of Heaven," has youngsters thinking.
The faith-fueled tune is part of Blake's new album, "If I'm Honest."


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Tatiana OlivasModel Female Cedar Park, Texas, US My MM URL: http://www.modelmayhem.com/tatianaolivas
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Have you worked with Tatiana Olivas? Add Credits for Tatiana Olivas! >>
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A total of 129 building permits were issued in Washington during the month of August, according to a report by the city's building department.
Listed below is a breakdown of the projects, number of permits issued and estimated cost for those projects.
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With the ever increasing craze of different gadgets like mobile phones, tablets we all know that the mobile internet usage has been skyrocketing and is anticipated to see a boom in the coming days. It is for this reason that clients are demanding designers to come up with designs that besides offering the best user-experience are highly responsive.
By responsive, we mean that the websites are not just designed keeping in mind computers and laptops instead provide the best user-experience to the one who is accessing the websites through mobiles and tablets.
Via Brian Yanish - MarketingHits.com


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|The DNC provides national leadership for the Democratic Party of the United States. It is responsible for promoting the Democratic political platform, as well as coordinating fundraising and election strategy. Shortly after his inauguration, Barack Obama transferred his Obama For America organization to the DNC, along with its 13 million person email list, as restrictions prevented him from taking it with him to the White House. Renamed Organizing For America, the organization also controls the BarackObama.com domain and website and is expected to work closely with Obama's New Media Director Macon Phillips, who will manage the WhiteHouse.gov formerly Change.gov website, though Phillips duties technically fall under the White House umbrella, not the DNC.
The Democratic National Committee is the principal organization governing the United States Democratic Party
The DNC is responsible for articulating and promoting the Democratic platform and coordinating party organizational activity. When the President is a Democrat, the party generally works closely with the President. In presidential elections it supervises the national convention and, both independently and in coordination with the presidential candidate, raises funds, commissions polls, and coordinates campaign strategy. Following the selection of a party nominee, the public funding laws permit the national party to coordinate certain expenditures with the nominee, but additional funds are spent on general, party-building activities. There are state committees in every state, as well as local committees in most cities, wards, and towns and, in most states, counties.
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Women's Victorian Swimming Costume (ref: 70483)
- Your Price:
- €31.99
- Retail Price:
- €38.49
- You Save:
- €6.50 (17%)
Low StockOur price match promise
Includes vest, pantaloon trousers, corset belt and frilly hat.See more product details
Low StockOur price match promise
Includes vest, pantaloon trousers, corset belt and frilly hat.See more product details
Got this costume? Want your photo to appear here? Tag your Instagrams with @jokersmasquerade and #jokers70483. How do I tag my photos?
The Women's Victorian Swimming Costume includes red and white striped vest and pantaloon trousers, matching frilly hat and white corset.
Important note: We have readjusted the sizing of this costume to one size less than the manufacturers guide. This is due to the included corset coming up small. As such the packaging will reflect a larger size.
Sizes for this costume are:
July 1, 2016, by Lorraine M - Gwynedd, UK - United Kingdom
Loved this outfit as soon as I saw it but was then dismayed to see it only came in size 10/12 - I kept coming back to it though because I didn't want an outfit where my legs or boobs were 'out' - ha ha! Anyway for some reason I looked at the reviews and was delighted to see that they said - more like a size 18!!! Well I thought, I'm a size 16 so no harm in giving it a go, I did and am delighted that it fits! Don't get me wrong, if you are slim then the waist band will pull you in and really show off your slim figure, however if you are on the larger side like I am then the fact that the waistband will only come half way round my waist is not a problem, the outfit looks great on any size. Am very happy with this purchase and at a great price!
October 24, 2013, by Rebekah C - County Down, UK - United Kingdom
Lovely outfit, but far too big for me, I am a size 10, but the outfit was a 12-14, dissapointed with the size as I loved the outfit.
November 23, 2012, by Sarah H - Dorset, UK - United Kingdom
Great costume bright colours but sizing wrong on web site it says 10-12 I think it would fit 18 so I will have to take in which is a shame when you are paying £30!
Have a question about this product? Why not get in touch by completing the boxes below.
Yes, the waistband is fully elasticated.
Items are considered "oversize" which exceed 610mm x 460mm x 460mm or over 5kg in weight and cannot be dispatched via Royal Mail or Click and Collect. Oversize packages can only be dispatched via courier. We will only display the delivery options available to you, based on your location and the items in your basket.


text: Content on this page requires a newer version of Adobe Flash Player. When short sellers noted that the company used Frazer Frost as its auditor, other Frazer Frost clients, such as Harbin Electric ( HRBN) and China Valves Technology ( CVVT), saw immediate sharp declines in share prices, though there were no allegations of fraud relating to them, no known investigations, and no other obvious negative catalysts. Representatives for Harbin Electric did not respond to requests for comment. China Valves CEO Jianbao Wang said his company is "committed to the highest standards of corporate governance. We are working to retain a Big Four auditor to provide internal controls assessment and improve the system." Over-reliance on Chinese auditors has been controversial. In July, a warning came from the Public Company Accounting Oversight Board, or PCAOB. The PCAOB is a regulatory body created under the Sarbanes-Oxley Act of 2002. Essentially, its mission is to audit the auditors. An industry alert issued by the agency on July 12 called upon U.S. auditors to bear down on Chinese companies. "Sometimes all the operations or most of the operations are in the China area and the firm in the U.S. is not taking an active role in the audit," says Greg Scates, deputy chief auditor with the PCAOB, in explaining the agency's action. "They're just taking the information from the Chinese auditor and doing little or no work, taking it at face value." Scates acknowledges that auditors have been the security industry's principal gatekeepers since the securities acts of 1933 and 1934. He understands the ire of investors who have gotten badly burned by the collapse of China-based stocks engineered through reverse mergers. "If a material fraud has been committed, then obviously you want to find out who were the key players, how they orchestrated this fraud, and then ask whether the auditors should have caught the fraud or why the auditors didn't catch the fraud," he says. According to Scates, the PCAOB has been seeking access to the records of audit firms in China, but has met resistance from the Chinese. "We're not into China yet. We're not able to inspect firms domiciled in China right now. A number of countries are blocking us right now." The PCAOB's Fight Is Hampered Investors hoping that the PCAOB will ride to their rescue in China may have a longer wait. Of late, the agency's role has grown more complex, and perhaps less transparent, thanks to intervention by the SEC. Prev 2 of 6 Next


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Latest Forecast
Here is the latest weather update from the KLEW NEWS Weather Center.
Today -- Sunny and hot, with a high near 103. Light and variable wind.
Tonight -- Clear, with a low around 67. North wind 5 to 7 mph becoming calm in the evening.
Saturday -- Sunny and hot, with a high near 96. Light and variable wind becoming northwest 6 to 11 mph in the morning.
Saturday Night -- Clear, with a low around 61. West wind 6 to 15 mph, with gusts as high as 21 mph.
Sunday -- Sunny, with a high near 87. Northeast wind around 6 mph becoming west in the morning.
Today's Record Temperatures