Optimal array factor radiation pattern synthesis for linear antenna array using cat swarm optimization： validation by an electromagnetic simulator  

作　　者：Gopi RAM Durbadal MANDAL Sakti Prasad GHOSHAL Rajib KAR 

机构地区：[1]Department of Electronics and Communication Engineering, National Institute of Technology, Durgapur 713209, India [2]Department of Electrical Engineering, National Institute of Technology, Durgapur 713209, India

出　　处：《Frontiers of Information Technology & Electronic Engineering》2017年第4期570-577,共8页信息与电子工程前沿（英文版）

基　　金：Project supported by SERB,Department of Science and Technology,Government of India(No.SB/EMEQ-319/2013)

摘　　要：In this paper, an optimal design of linear antenna arrays having microstrip patch antenna elements has been carried out Cat swarm optimization （CSO） has been applied for the optimization of the control parameters of radiation pattern of an antenna array. The optimal radiation patterns of isotropic antenna elements are obtained by optimizing the current excitation weight of each element and the inter-element spacing. The antenna arrays of 12, 16, and 20 elements are taken as examples. The arrays are designed by using MATLAB computation and are validated through Computer Simulation Technology-Microwave Studio （CST-MWS）. From the simulation results it is evident that CSO is able to yield the optimal design of linear antenna arrays of patch antenna elements.本研究进行了微带贴片天线线性阵列的优化设计。通过猫群算法(Cat swarm optimization,CSO)优化天线阵列辐射方向图的各控制参数。通过优化每个单元的激励电流权重和阵元间隙获得各向同性天线单元阵列的最佳辐射方向图。以12、16和20单元的天线阵列为例,运用MATLAB进行阵列优化设计,采用CST-MWS对设计结果进行仿真验证。由仿真结果可见,CSO能给出微带贴片天线线性阵列的最优设计。

关 键 词：Patch antenna Linear antenna array Cat swarm optimization （CSO） Side lobe level （SLL） 

分 类 号：TN957.2[电子电信—信号与信息处理] TP391[电子电信—信息与通信工程]