Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 55, Issue 4, Pages 1207-1210Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2007.893406
Keywords
antenna arrays; genetic algorithms (GAs); linear arrays; phased arrays; subarray feeds
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Amplitude weighting at the subarray outputs alone causes grating lobes in array factors. An approach that disrupts the periodic quantization by dividing the array into subarrays of unequal sizes and amplitude weighting at the subarray ports is presented. A hybrid genetic algorithm optimizes the subarray size and subarray weights to minimize the maximum sidelobe level.
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