Performance analysis of MUSIC for non-circular signals in the presence of mutual coupling

被引：33
|
作者：
Huang, Z. T. [1 ]
Liu, Z. M. [1 ]
Liu, J. [2 ]
Zhou, Y. Y. [1 ]
机构：
[1] Natl Univ Def Technol, Dept Elect Sci & Technol, Changsha 410073, Hunan, Peoples R China
[2] AF Engn Univ, Telecommun Engn Coll, Xian 710077, Shanxi, Peoples R China
来源：
IET RADAR SONAR AND NAVIGATION | 2010年 / 4卷 / 05期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1049/iet-rsn.2009.0003
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：
The mutual coupling effect in practical arrays is hard to eliminate completely, and such effect brings a deterministic bias into the direction-of-arrival (DOA) estimates for non-circular signals. The bias is analysed in this study and closed-form expressions for the biases in uniform linear arrays (ULA) and general linear arrays (GLA) are given. Numerical examples are carried out to verify the correctness of the theoretical biases in various signal environments.
引用
收藏
页码：703 / 711
页数：9
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