ブラインド信号分離アルゴリズムの安定性に関する検討

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This paper descirbe the stabihty analysis of the algorithm for the blind separation ciurcuit which is to be used to avoid the infiuence of near-end speech in the echo canceller system. The alogrithm was proposed by H,Jutten et al, but they have not considered the stability of it. They have proposed the two type of algorithm. The first one using the 3rd and lst order statistics is not stable in the usual case of source signal and mixing system. The seconde one use the lst and 3rd order statistics, and the algorithm is stable. The stability of the second algorithm is ensured by the computer simulation in some case.
津山工業高等専門学校の論文