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Sideband suppression in time-modulated linear arrays by the differential evolution algorithm

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3 Author(s)
Shiwen Yang ; Temasek Labs., Nat. Univ. of Singapore, Singapore ; Yeow Beng Gan ; Anyong Qing

A novel approach based on the differential evolution (DE) algorithm is proposed to suppress the sideband radiation patterns in time modulated linear antenna arrays. The sideband level of a time modulated linear array can be reduced significantly by rearranging the static excitation amplitudes as well as the switch-on time intervals of each element. The approach is illustrated through a 32-element linear array.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:1 ,  Issue: 1 )