Direction Finding Algorithm for Noncircular Signals in the Presence of Unknown Mutual Coupling

被引：0
|
作者：
Xie, Jian [1 ]
Wang, Ling [1 ]
Zhang, Wei [1 ]
Yang, Xin [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian, Shaanxi, Peoples R China
来源：
2018 USNC-URSI RADIO SCIENCE MEETING (JOINT WITH AP-S SYMPOSIUM) | 2018年
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
DOA estimation; mutual coupling; noncircular signal; fourth-order cumulant; DOA ESTIMATION;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Base on the fourth-order cumulants, a direction finding algorithm for noncircular sources under unknown mutual coupling is proposed. Utilizing the symmetric Toeplitz structure of the mutual coupling matrix and the noncircularity of the sources, a closed form solution for the DOA estimation is obtained by constructing a series of cumulant matrices. According to the simulation results, the proposed algorithm is effective in the presence of unknown mutual coupling. Moreover, it enjoys better estimation performance via utilizing the noncircularity of the sources.
引用
收藏
页码：47 / 48
页数：2
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