扩展ESB-LCMV定点自适应波束形成算法
首发时间:2007-04-18
摘要:本文提出了近场扩展ESB-LCMV定点自适应波束形成算法,利用期望信号与干扰信号到接收阵元之间距离的不同来抑制干扰,在不减少信息量的情况下降低了信号利用的维度,减少了计算量,最后计算机模拟在实际三维空间中进行声源信号定点约束波束形成,仿真结果验证了该方法的有效性和正确性。
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Algorithm of Microphone Array Adaptive Point Beamforming Using extended ESB-LCMV Method
Abstract:This paper presents a ESB-LCMV method for near-field adaptive point beamforming, which use the distance discrimination between desired signals to the array and interfere signals to the array.It depresses the rank of the signal with no information loss and reduces the calculation. At last the point-constrained method for near field adaptive beamforming is simulated in three-dimensional space, which approves that the method is available and right.
Keywords: near field Point-Constrained eigenvector subspace adaptive beamforming
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No.1230511278011768****
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