PATH UNCERTAINTY ROBUST BEAMFORMING

被引：0

作者：

Stanton, Richard ^{[1
]}

Brookes, Mike ^{[1
]}

机构：

[1] Imperial Coll London, London, England

来源：

2014 PROCEEDINGS OF THE 22ND EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2014年

关键词：

robust beamforming; distributed array; SNR beamformer; steering vector mismatch; SOUND; ERRORS; SPEED; DESIGN; GAIN;

D O I：

暂无

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：

Conventional beamformer design assumes that the phase differences between the received sensor signals are a deterministic function of the array and source geometry. In fact however, these phase differences are subject to random variations arising both from source and sensor position uncertainties and from fluctuations in sound velocity. We present a framework for modelling these uncertainties and show that improved beamformers are obtained when they are taken into account.

引用

页码：1925 / 1929

页数：5

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