Synthesis of Circular Antenna Arrays with Improved Radiation Patterns Using DE Algorithm

被引：0

作者：

Ram, Gopi ^{[1
]}

Mandal, Durbadal ^{[1
]}

Kar, Rajib ^{[1
]}

Ghoshal, Sakti Prasad ^{[2
]}

机构：

[1] Natl Inst Technol, Elect & Commun Dept, Durgapur, India

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

来源：

2014 INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND SIGNAL PROCESSING (ICCSP) | 2014年

关键词：

Circular arrays; First null beam width; Side lobe level; DE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper synthesis of single ring non-uniform circular antenna for maximum side lobe level (SLL) reduction and improved first null beamwidth (FNBW) is dealt with. Evolution based Differential Evolution (DE) is used to determine an optimal set of current excitation weights and antenna inter-element spacing that provides optimal radiation pattern. Circular array antenna laying on x-y plane is assumed. DE is applied on circular arrays of 8-, 10-, and 12-elements. Various simulation results are presented and hence performances of SLL and FNBW are analyzed. Experimental results show considerable reductions of both the SLL and FNBW with respect to those of the uniform case and some standard algorithms GA [12], PSO [14] and SA [11] applied to the same problem of non-uniform circular antenna arrays.

引用

页数：5

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