Multiple Patterns from Time-Modulated Linear Antenna Arrays

被引：9
|
作者：
Yang, Shiwen [1 ]
Chen, Yikai [1 ]
Nie, Zaiping [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Dept Microwave Engn, Chengdu 610054, Peoples R China
来源：
ELECTROMAGNETICS | 2008年 / 28卷 / 08期
关键词：
pattern synthesis; time modulation; differential evolution;
D O I：
10.1080/02726340802428671
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 article, the design of multiple radiation patterns from time-modulated linear antenna arrays is presented. As compared to conventional linear arrays in generating multiple patterns by switching among different phase distributions, the time-modulated linear arrays are capable of realizing more stringent requirements such as lower sidelobes for the multiple patterns. Moreover, the time-modulated linear arrays with pre-assigned amplitude distributions can be used to synthesize a greater number of desired patterns due to their additional degree of design freedom. Different excitations for multiple patterns are obtained through the differential evolution algorithm while keeping the sidebands minimized. Numerical examples of synthesizing several typical radiation patterns from time-modulated linear arrays are presented.
引用
收藏
页码：562 / 571
页数：10
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