Wide Null Control of Symmetric Linear Antenna Array Using Novel Particle Swarm Optimization

被引：10

作者：

Mandal, Durbadal ^{[1
]}

Ghoshal, Sakti Prasad ^{[2
]}

Bhattacharjee, Anup Kumar ^{[1
]}

机构：

[1] Natl Inst Technol Durgapur, Dept Elect & Commun Engn, Durgapur 713209, W Bengal, India

[2] Natl Inst Technol Durgapur, Dept Elect Engn, Durgapur 713209, W Bengal, India

来源：

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2011年 / 21卷 / 04期

关键词：

linear antenna arraynulls; first null beamwidth; sidelobe level; wide nulls; particle swarm optimization; SIDELOBE LEVEL; AMPLITUDE;

D O I：

10.1002/mmce.20526

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this article, the method of nullifying the radiation pattern of a symmetric linear antenna array in a particular direction is propounded using an evolutionary swarm intelligence technique, Novel particle swarm optimization (NPSO). Particle swarm optimization with constriction factor approach (PSOCFA) is also adopted to compare the NPSO based results. Single or multiple wide nulls are achieved by optimum perturbations of elements current amplitude weights to have symmetric nulls about the main beam. Different numerical examples are presented to illustrate the capability of NPSO for pattern synthesis with a prescribed wide nulls locations and depths. Further, the peak Sidelobe Levels are also reduces when compared to a uniformly excited array having equal number of elements. (C) 2011 Wiley Periodicals, Inc. Int J RF and Microwave CAE 21:376-382, 2011.

引用

页码：376 / 382

页数：7

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