Robust Capon-based direction-of-arrival estimators in partly calibrated sensor array

被引：9
|
作者：
Mavrychev, E. A. [1 ]
Ermolayev, V. T. [2 ]
Flaksman, A. G. [2 ]
机构：
[1] Nizhnii Novgorod State Tech Univ, Nizhnii Novgorod 603950, Russia
[2] Nizhnii Novgorod State Univ, Nizhnii Novgorod 603950, Russia
来源：
SIGNAL PROCESSING | 2013年 / 93卷 / 12期
关键词：
DOA estimation; Partly calibrated array; Capon method; Robust estimator; MULTIPLE SOURCES; LOCALIZATION; OPTIMIZATION; SIGNALS; ESPRIT; NOISE;
D O I：
10.1016/j.sigpro.2013.01.018
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 a problem of direction-of-arrival (DOA) estimation in partly calibrated sensor arrays is considered. It is assumed that a sensor array consists of subarrays with full inner calibration and unknown intersubarray distortions. Capon-based methods are proposed for DOA estimation as suitable techniques have robustness to intersubarray distortions. These methods are an extension of robust Capon beamformer developed for partly calibrated array to the DOA estimation. The simulations validate efficiency of the proposed algorithms. (C) 2013 Elsevier BAT. All rights reserved.
引用
收藏
页码：3459 / 3465
页数：7
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