文档介绍：Signal Processing ] (]]]]) ]]]–]]]
1 Contents lists available at ScienceDirect
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Signal Processing
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7 journal homepage: ate/sigpro
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munication
11 Discrete-time chaotic systems synchronization performance under
13 additive noise
15 M. Eisencraft a,Ã, . Batista b,Ã
17 a Centro de Engenharia, Modelagem e Cienciasˆ Sociais Aplicadas, Universidade Federal do ABC, 09210-170 Santo Andre´, SP, Brazil
b Departamento de Matema´tica e Estatı´stica, Universidade Estadual de Ponta Grossa, 84030-900 Ponta Grossa, PR, Brazil
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article info abstract
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23 Article history: In recent decades many articles have discussed the possibilities of chaos applied in
Received 6 October munications. However, the vast majority consider in practical terms the ideal
Accepted 23 January 2011 channel condition, which is clearly a restringing condition. Some papers show that
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when there is an additive noise, the synchronization error often munica-
Keywords: tion. In this work, we present results of parison between synchronization error
27 Maps due to additive Gaussian noise when the transmitter and receiver are implemented by
Noise single or coupled maps.
29 Synchronization & 2011 Published by Elsevier .
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1. Introduction The application of the chaotic signals to modulate
independent narrowband sources leads to systems that
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Chaotic signals