PSO和GA在阵列天线波束赋形中的应用

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Application of PSO and GA in beamforming of an array antenna

LIU Rui-bin;YAN Ze-hong;SUN Cong-wu;ZHANG Xiao-miao;WEI Wen-yuan

Key Lab. of Antenna & Microwave Techniques, Xidian Univ., Xi′an 710071， China

Received:1900-01-01 Revised:1900-01-01 Online:2006-10-20 Published:2006-10-30

Abstract

Abstract: Particle Swarm Optimization(PSO) and Genetic Algorithms(GA) are applied to the problem of beamshaping of antenna arrays. We use MATLAB to calculate both the line array with ten elements and the circle array with thirty one elements and obtain the desired beam forms. Comparing PSO with GA we can see their advantatges and disadvantages in shaping the beams. We try to use a modified Bernstein polynomial to reduce the number of variables when calculating the circle array. Finally we use PSO to optimize the circle array and obtain a beam form with a flat top which is needed in the practical design.

Key words: PSO, GA, array antenna, shaped beam

CLC Number:

TN821⁺.8

LIU Rui-bin;YAN Ze-hong;SUN Cong-wu;ZHANG Xiao-miao;WEI Wen-yuan. Application of PSO and GA in beamforming of an array antenna[J].J4, 2006, 33(5): 797-799.

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Application of PSO and GA in beamforming of an array antenna

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