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A Multibeam Pattern Synthesis of Planar Array Antenna  

Hur, Moon-Man (Department of Electronic Engineering, Dongguk University)
Lee, In-Jae (Department of Electronic Engineering, Dongguk University)
Yoon, Hyun-Bo (Department of Electronic Engineering, Dongguk University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.17, no.10, 2006 , pp. 1007-1019 More about this Journal
Abstract
In this paper, the synthesis method of multibeam radiation pattern with multi-directional beams and nulls is proposed. Genetic algorithm is applied for the optimization of amplitude and phase of the feeding signal into each element that is structured in planar array of single patch antenna with an arbitrary field distribution. To verify the validity of the proposed method, $2{\times}2$ planar array antenna is used for the measurement and the measured far field radiation pattern is compared with the simulation result. As a result, the synthesis of multibeam radiation pattern is implemented by the optimization of amplitude and phase of the feeding signal into each element of $8{\times}8$ planar array antenna system.
Keywords
Pattern Synthesis; Planar Array Antenna; Multibeam Pattern; Genetic Algorithm;
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