Separation of chaotic signal sum into components in the presence of noise

被引：18

作者：

Andreyev, YV ^{[1
]}

Dmitriev, AS

Efremova, EV

Anagnostopoulos, AN

机构：

[1] Inst Radioengn & Elect, Moscow 101999, Russia

[2] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2003年 / 50卷 / 05期

关键词：

chaos; information theory; logistic map; signal cleaning; signal separation; synchronization;

D O I：

10.1109/TCSI.2003.811017

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：

The problem of separation of an observed sum of chaotic signals into the individual components is considered in the presence of noise. A noise threshold is. found, above which high-quality separation is impossible. This effect is shown to be associated with the information content of chaotic signals and a theoretical estimate is given for the threshold. A method For signal separation is proposed, which uses iteration of the chaotic sources equations in reverse time. The method allows to approach the theoretical limit threshold.

引用

页码：613 / 618

页数：6

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