Abstract
Pattern synthesis is one of the most important problems in all wireless communications and Radar systems. Each application demands the generation of a different type of radiation pattern structure. Pencil beams are generated either from parabolic dish antennas or from array antennas for point-to-point communication. Similarly, sector beams are used in search Radars. On the other hand, csc<sup>2</sup> beams are used for ground mapping and airport surveillance. However, the difference patterns associated with narrow beams are sequentially used in IFF radars. In the present work, investigations are carried out to optimize such difference patterns from array antennas. The patterns are designed using a genetic algorithm, and the results are compared with those of Taylor's distribution. The patterns are presented in sinθ Domain for different arrays. It is found from the results; the designed patterns are extremely useful in all search applications.
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