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Mismatch Project Synchronization for Hyper-Chaotic Systems and Its Application to Secure Communication(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年01期
Page:
13-18
Research Field:
Publishing date:

Info

Title:
Mismatch Project Synchronization for Hyper-Chaotic Systems and Its Application to Secure Communication
Author(s):
Min Fuhong; Wu Xuehong
School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China
Keywords:
mismatch project synchronization; hyper-chaotic system; nonlinear feedback controller; secure communication
PACS:
O415.5
DOI:
-
Abstract:
The new mismatch project synchronization is proposed in the paper，which can direct the state vectors between the driver system and response system to synchronize in disorder． Based on the Lyapunov stability theory，two schemes of synchronization are studied and the nonlinear controllers are designed to achieve mismatch projective synchronization for two same or different hyper-chaotic systems． Here Tang system and Qi system are taken as examples． Then this method is applied to secure communication through improved chaotic masking algorithm． The useful signal is mixed with hyper-chaotic signals before transmitted，and is recovered undistorted through the synchronized receiver． Simulation results are presented to demonstrate the effectiveness of the proposed method．

References:

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Last Update: 2013-03-21