一种改进的基于互相关的频域盲源分离方法

International Conference on Neural Networks and Signal Processing, 2003. Proceedings of the 2003 Pub Date : 1900-01-01 DOI:10.1109/ICNNSP.2003.1281127

Jun Ye, Boling Xu, Feng Liu

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引用次数: 0

摘要

提出了一种基于频域互相关的盲源分离算法。首先描述了信号帧长度的变化对分离结果的影响。然后介绍了多级多帧尺寸法，以满足各方面对信号帧长度的要求。然而，我们发现另一种称为伪解的问题也可能导致分离失败，因此提出了可能的处理方法。通过实验验证了改进方法的有效性。

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An improved cross-correlation based method of blind source separation in frequency domain

A blind source separation algorithm based on cross-correlation in frequency domain is considered in this paper. Firstly we describe that the variation of the length of signal frame will influence the result of separation. Then the multi-frame size method through multi-stage is introduced to meet the requirements of the length of signal frame in all aspects. However we find that another problem called pseudo-solution also could lead separation to fail, so possible treatments are proposed. Experiments are provided to confirm the validity of this improved method.

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International Conference on Neural Networks and Signal Processing, 2003. Proceedings of the 2003

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