Abstract
In this paper, the synthesis of sparse time-modulated linear arrays with minimum number of elements and controlled harmonic radiations is investigated. The proposed iterative approach based on a particle swarm optimization is aimed at flnding the array conflguration with the minimum number of elements and the optimal pulse sequence that afiords a beam pattern with the same features of a reference one also limiting the amount of sideband radiations under a speciflc threshold. A set of representative numerical examples is discussed to assess the efiectiveness and the reliability of the proposed approach.
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