Optimal combination of fourth-order cumulant based contrasts for blind separation of noncircular signals

被引：2
作者：
De Luigi, Christophe [1 ,2 ]
Moreau, Eric [1 ,2 ]
机构：
[1] Aix Marseille Univ, CNRS, ENSAM, LSIS,UMR 7296, F-13397 Marseille, France
[2] Univ Toulon & Var, CNRS, LSIS, UMR 7296, F-83957 La Garde, France
来源：
SIGNAL PROCESSING | 2013年 / 93卷 / 04期
关键词：
High order statistics; Contrast; Jacobi-like algorithm; Blind source separation; Noncircular signal; INDEPENDENT COMPONENT ANALYSIS; JOINT-DIAGONALIZATION; ALGORITHM;
D O I：
10.1016/j.sigpro.2012.10.006
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we have considered the problem of blind source separation of noncircular signals. We have proposed a new Jacobi-like algorithm that achieves optimization of the optimal combination of complex fourth-order cumulant based contrasts. We have investigated the application to separation of non-Gaussian sources using fourth order cumulants. And computer simulations applied to noncircular signals illustrate the proposed approach. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：842 / 855
页数：14
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