Design of non-uniform circular antenna arrays using biogeography-based optimisation

被引：50
|
作者：
Singh, U. [1 ]
Kamal, T. S. [2 ]
机构：
[1] Guru Nanak Dev Polytech Coll, Ludhiana, Punjab, India
[2] DIET, Kharar, Punjab, India
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2011年 / 5卷 / 11期
关键词：
POSITION PERTURBATIONS; AMPLITUDE; PHASE;
D O I：
10.1049/iet-map.2010.0204
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：
Biogeography-based optimisation (BBO) is employed for the optimisation of non-uniform circular antenna arrays. In BBO, the problem solutions are represented as islands and the sharing of features between solutions corresponds to immigration and emigration between the islands. The scheme of BBO is employed to find out an optimal set of weights and antenna element separations to provide a radiation pattern with maximum side lobe level (SLL) reduction with the constraint of a fixed major lobe beam width. The capability of BBO is demonstrated by taking different sizes of antennas. The results show that the design of non-uniform circular antenna arrays using the BBO algorithm offers a SLL reduction better than that obtained using genetic algorithms, particle swarm optimisation and simulated annealing.
引用
收藏
页码：1365 / 1370
页数：6
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