A Trinary-Phased Array

Masaharu FUJITA

IEICE TRANSACTIONS on Communications   Vol.E82-B    No.3    pp.564-566
Publication Date: 1999/03/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
phased array,  trinary phase shifter sidelobe reduction,  genetic algorithm,  

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A trinary-phased array, in which a phase quantization unit of phase shifters is 120 degrees is examined. The phase quantization unit of 120 degrees is the roughest value in practical phased array applications. Despite its rough phase quantization, the sidelobe level of less than -9 dB is attained by a genetic algorithm approach.