DOA estimation based on fourth-order cumulants in the presence of sensor gain-phase errors

被引：32
|
作者：
Cao, Shenghong [1 ,2 ]
Ye, Zhongfu [1 ,2 ]
Hu, Nan [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] Natl Engn Lab Speech & Language Informat Proc, Hefei 230027, Anhui, Peoples R China
来源：
SIGNAL PROCESSING | 2013年 / 93卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Array signal processing; Direction-of-arrival estimation; Fourth-order cumulants; Gain-phase errors; ARRAY; CALIBRATION;
D O I：
10.1016/j.sigpro.2013.03.007
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 method based on fourth-order cumulants (FOC) for direction-of-arrival (DOA) estimation in the presence of sensor gain-phase errors is presented. This method can be applied in the scenario that the signals are non-Gaussian and the noises are Gaussian. The DOAs are estimated from the Hadamard product of an FOC matrix and its conjugation. The advantage of the proposed method is that it performs independently of the phase errors. Moreover, it is practicable when the noise is spatially colored. Simulation results demonstrate the effectiveness of the proposed method. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：2581 / 2585
页数：5
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