SYNTHESIS OF DUAL RADIATION PATTERN OF RECTANGULAR PLANAR ARRAY ANTENNA USING EVOLUTIONARY ALGORITHM
Journal: ICTACT Journal on Communication Technology (IJCT) (Vol.6, No. 3)Publication Date: 2015-09-01
Authors : Debasis Mandal; Ved Prakash Roy; Anirban Chatterjee; Anup Kumar Bhattacharjee;
Page : 1146-1149
Keywords : Planar Array; Dual- Pattern; Differential Evolution Algorithm (DE); Peak Sidelobe Level (Peak SLL); Shaped Beam1149;
Abstract
A pattern synthesis method based on Evolutionary Algorithm is presented to generate a dual radiation pattern from a planar array of isotropic antennas. The desired patterns are obtained by finding out optimum set of elements excitations. Flat-top and Pencil beams share a common optimum amplitude distribution among the array elements. Flat-top beam is generated by updating the zero phases with the optimum phases among the elements. 4 bit discrete amplitudes and 5 bit discrete phases have been taken to simplify the design of the feed network. Results clearly show the effectiveness of the proposed method.
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