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Research on Synchronization and Correction Technology in Array Reception

With the rapid development of wireless communication technology and the popularization of intelligent applications, the complex electromagnetic environment makes the effective detection and estimation of signal parameters more difficult and important. Besides, signal processing is developed from one-dimensional to a multi-dimensional spatial domain through an antenna array. Due to the introduction of spatial frequency properties, the array reception can be applied to direction estimation, as well as beam-forming and other domains which require high spatial resolution. However, the detection of signal parameters greatly affects the estimation of array reception and is also an intricate problem in array processing. Therefore, this article introduces a co-frequency, homology and synchronization of the design scheme, which is the basic premises for array reception and illustrates pre-synchronization by displaying the sampling sequence diagram. Besides, to satisfy the consistency of the amplitude and the phase, correction techniques corresponding to narrowband and broadband signal are proposed by mathematical derivation.