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Performance comparison between uniformly and nonuniformly spaced adaptive antennas with respect to tolerance to pointing errors

The paper presents theoretical and experimental investigations into performances of narrowband uniformly and nonuniformly spaced adaptive linear dipole array antennas that are subjected to pointing errors. The analysis focuses on the array's output Signal to Interference plus Noise Ratio. The presence of mutual coupling between the array elements is taken into account. It is shown that the array's tolerance to pointing errors can be enhanced by controlling the interelement spacing. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2233–2237, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21904