Bayesian algorithm for high-resolution DOA estimation

被引：4

作者：

Zhang, Yin ^{[1
]}

Huang, Yulin ^{[1
]}

Yang, Jianyu ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 611731, Sichuan, Peoples R China

来源：

ELECTRONICS LETTERS | 2015年 / 51卷 / 21期

关键词：

Compendex;

D O I：

10.1049/el.2015.1363

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：

A maximum a posteriori (MAP) algorithm based on Bayesian criterion for high-resolution direction-of-arrival (DOA) estimation in array signal processing is proposed. The generalised Gaussian distribution was considered as the prior information of sources distribution for its wide applicability. The statistic parameter of the generalised Gaussian function can be transformed according to different sources distribution conditions. Only the sparse signal recovery problem is considered. It is found that with the generalised Gaussian sparse constraint, the proposed MAP algorithm provides high DOA estimation performance in the case of limited snapshots. Simulation results are given to verify the effectiveness and efficiency of the proposed algorithm.

引用

页码：1701 / U106

页数：2

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