A Hadamard Product Based Method for DOA Estimation and Gain-Phase Error Calibration

被引：76

作者：

Cao, Shenghong ^{[1
,2
]}

Ye, Zhongfu ^{[1
,2
]}

Xu, Dongyang ^{[1
,2
]}

Xu, Xu ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Dept Elect Engn & Informat Sci, Hefei 230027, Anhui, Peoples R China

[2] Univ Sci & Technol China, Natl Engn Lab Speech & Language Informat Proc, Hefei 230027, Anhui, Peoples R China

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2013年 / 49卷 / 02期

关键词：

MAXIMUM-LIKELIHOOD; ARRAY CALIBRATION; MUSIC; ESPRIT;

D O I：

10.1109/TAES.2013.6494409

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

In the work presented here we consider the problem of direction of arrival (DOA) estimation and gain-phase errors calibration. We propose a new method which is based on the eigendecomposition of the Hadamard product of the covariance matrix and its conjugate. This method requires neither the presence of calibration sources nor previous calibration information as initialization. Moreover, it performs independent of the phase errors. Simulation results demonstrate the effectiveness of the proposed method.

引用

页码：1224 / 1233

页数：10

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