Microsoft Word - 20张剑.doc 关键词 ： 欠定；两阶段法；混合矩阵估计；稀疏性 [gap=903]Key words: underdetermined；two -stage approach；mixing matrix estimation；sparseness
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A method of the mixing matrix estimation in underdetermined source separation is proposed, which is based on the linear clustering of sparse component.
利用稀疏分量的直线聚类性，提出了欠定盲源分离中估计混合矩阵的一种方法。
This paper proposes a new method based on mixing matrix estimation for underdetermined blind speech separation, aiming at speech signals under weak sparseness.
针对语音信号的弱稀疏性，提出一种新的基于混合矩阵估计的欠定语音盲分离方法。
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