电讯技术2016，Vol.56Issue(3)：308-312,5.DOI:10.3969/j.issn.1001-893x.2016.03.013
三角形栅格阵列天线方向图的快速计算与优化
Fast Calculation and Optimization for Triangle-grid Array Antenna
摘要
Abstract
According to the active element pattern theory,this paper proposes two methods for fast calculat-ing the time-domain radiation patterns of large arrays. With the methods,time-domain analysis problems of a large triangle-grid array are respectively converted into problems of a small linear array and a triangle-grid one. Meanwhile,the mutual coupling is considered and the computational cost is reduced greatly. The different size and layout of the small arrays in two methods leads to a great difference in precision and efficiency. Results show that the first method obtains a higher efficiency and the time cost is less than 4%of that simulated by the finite integral method. However,the second method achieves a better precision, whose results agree well with the simulation results and the maximum relative error is less than 6%, and computation time is less than 11% of the simulation time. Furthermore,combined with the second method, Taguchi algorithm is adopted for 85-element array energy patterns optimization,and the side lobe level is reduced while the beam width is limited. What’ s more,the optimization time is less than half an hour, which verifies the validity of the method.关键词
脉冲阵列天线/三角形栅格/时域方向图/低副瓣优化Key words
pulse array antenna/triangle-grid/time-domain radiation pattern/low side lobe optimization分类
信息技术与安全科学引用本文复制引用
陈海燕,熊祥正,陈凯亚,廖成..三角形栅格阵列天线方向图的快速计算与优化[J].电讯技术,2016,56(3):308-312,5.基金项目
高功率微波技术重点实验室自主基础研究项目(2014H01022) Foundation Item:The Key Laboratory of High Power Microwave Technology Program(2014H01022) （2014H01022）
