Linear optimization of antenna array for radiation pattern defined on a planar surface

Daniele Inserra, Guangjun Wen and Wei Hu

Journal of Electromagnetic Waves and Applications, 2018, vol. 32, issue 16, 2030-2045

Abstract: In this contribution, the antenna array synthesis for radiation pattern defined on a planar surface is described. This can be required when the electric field r-decay factor effect cannot be neglected, e.g. an antenna array mechanically tilted and a specific pattern defined in terms of cartesian coordinates. Differently from the classical sidelobe level reduction optimization problem, the case in which both a constant power bounded area and a sidelobe suppression region are defined and required to be synthesized is herein addressed. The general nonlinear optimization problem is first presented; then, the derivation of some sub-optimal linear problems based on practical implementation hypothesis is described, with the advantage of a reduced computational complexity. Numerical results validate the effectiveness of the proposed method.

Date: 2018
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DOI: 10.1080/09205071.2018.1488624

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