Array Aperture Extension Algorithm for 2-D DOA Estimation with L-Shaped Array

被引：11
|
作者：
Nie, Xi [1 ]
Wei, Ping [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu, Sichuan, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2015年 / 52卷
关键词：
D O I：
10.2528/PIERL15011502
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, an array aperture extension algorithm is developed for two-dimensional (2-D) direction-of-arrival (DOA) estimation with L-shaped array. We enlarge the dimension of the covariance matrix by using the rotational invariance in conjunction with the property that the signal covariance matrix is real diagonal matrix. Estimation of DOAs is performed by processing this larger dimensional matrix. The simulation results indicate that our method can improve the DOA estimation accuracy.
引用
收藏
页码：63 / 69
页数：7
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