Adaptive wideband beamforming with sensor delay-lines

被引：28
|
作者：
Liu, Wei [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Commun Res Grp, Sheffield S1 3JD, S Yorkshire, England
来源：
SIGNAL PROCESSING | 2009年 / 89卷 / 05期
关键词：
Adaptive beamforming; Wideband; Sensor delay-lines; Tapped delay-lines;
D O I：
10.1016/j.sigpro.2008.11.005
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 novel adaptive wideband beamforming method is proposed, where the tap delays in the traditional method are replaced and only one adaptive coefficient is required for each sensor. In this way, the complex wideband beamforming system with temporal filtering can be avoided by implementing the proposed beamformer with simple analogue circuits for very high frequency and bandwidth applications. Another advantage of this new method is its potential to avoid the beam widening effect at higher off-boresight angels. The effectiveness of the proposed method is verified by simulations. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：876 / 882
页数：7
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