Design of thinned planar array using genetic algorithm and hadamard matrix arrangement
نویسنده
چکیده
Directive antenna array with reduced side lobe level can be obtained using thinned array. This paper describes the design of planar thinned array using Hadamard matrix-like arrangement. Here ‘on’ and ‘off’ states of the antenna elements are arranged based on Hadamard Matrix and inter-element spacing in x and y-directions are varied and then genetic algorithm is used to optimize lowest side lobe level (SLL) of the thinned array. The result for this thinned array for 4X4 planar array is compared with the fully populated antenna array. Very low side lobe level is achieved using this combined genetic algorithm and Hadamard matrix arrangement. KeywordsHadamard matrix; thinned array; genetic algorithm; side lobe level;
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