Synthesis of Pencil-beam Patterns with Time-modulated Concentric Circular Ring Antenna Arrays

被引：0
|
作者：
Zheng, L. [1 ]
Yang, S. [1 ]
Zhu, Q. [1 ]
Nie, Z. [1 ]
机构：
[1] UESTC, Sch Elect Engn, Chengdu 611731, Peoples R China
来源：
PIERS 2011 SUZHOU: PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM | 2011年
关键词：
DIFFERENTIAL EVOLUTION ALGORITHM; LINEAR ARRAYS;
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, a method for the synthesis of pencil beam patterns from time modulated circular ring antenna arrays is presented. The time modulation approach is applied to the uniformly excited concentric circular ring array (CCRA) to suppress the sidelobe level with fixed beamwidth. Based on the proposed method, some numerical examples are compared with the published results of the conventional concentric circular ring arrays. Numerical results show the achievable performance of time modulation in successfully synthesizing low sidelobe patterns even if the amplitude excitations are uniform.
引用
收藏
页码：372 / 376
页数：5
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