Adaptive beamforming with joint robustness against signal steering vector errors and interference nonstationarity

被引：0
|
作者：
Vorobyov, S [1 ]
Gershman, AB [1 ]
Luo, ZQ [1 ]
Ma, N [1 ]
机构：
[1] McMaster Univ, Dept ECE, Hamilton, ON L8S 4K1, Canada
来源：
2003 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL V, PROCEEDINGS: SENSOR ARRAY & MULTICHANNEL SIGNAL PROCESSING AUDIO AND ELECTROACOUSTICS MULTIMEDIA SIGNAL PROCESSING | 2003年
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Adaptive beamforming methods are known to degrade in the presence of both signal steering vector errors and interference nonstationarity. In this paper, we develop a new approach to adaptive beamforming which is jointly-robust against these two phenomena. Our approach is based on the optimization of the worst-case beamforming performance. A computationally efficient convex optimization based algorithm is proposed to compute the beamformer weights. Computer simulations compare the performance of our algorithm with other robust adaptive beamforming techniques.
引用
收藏
页码：345 / 348
页数：4
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