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Optimum ring spacing and interelement distance for sidelobe reduction of a uniform concentric ring array antenna using differential evolution algorithm

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3 Author(s)
A. Chatterjee ; Department of Electronics and Communication Engineering, National Institute of Technology, Durgapur, India ; G. K. Mahanti ; Priya Ranjan Sinha Mahapatra

Reduction of sidelobe level in a concentric ring array results in wide first null beamwidth. The authors propose a pattern synthesis method based on the Differential Evolution (DE) algorithm to reduce the sidelobe level of a concentric ring array of isotropic antennas while keeping the first null beamwidth (FNBW) fixed and variable by optimizing both ring spacing and interelement distance of each ring.

Published in:

Communication Systems (ICCS), 2010 IEEE International Conference on

Date of Conference:

17-19 Nov. 2010