Computer Science ›› 2016, Vol. 43 ›› Issue (Z11): 320-323.doi: 10.11896/j.issn.1002-137X.2016.11A.075

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Blind Source Separation Based on Affine Projection and Nonlinear Principal Component Analysis

LI Xiong-jie and ZHOU Dong-hua   

  • Online:2018-12-01 Published:2018-12-01

Abstract: The affine projection algorithm (APA) can improve the algorithm convergence speed by repeated using the data.Aiming at the problem of slow convergence in the existing blind source separation (BSS),based on the nonlinear principal component analysis (PCA) for BSS,this paper proposed a nonlinear APA-PCA criterion by using the idea of APA,and the new APA-Kalman,APA-RLS and APA-LMS algorithms for BSS is designed.In these new algorithms,the prewhitened observation vector data is utilized in a repeated fashion,and the vector data is thus converted into matrix data.The convergence rate of BSS is accelerated.The simulation results show that the nonlinear APA-PCA criterion is effective and universal.

Key words: Blind source separation,Affine projection algorithm,Principal component analysis,Separation criterion

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