Hyperchaotic Synchronization and Its Application in Speech Secure Communication

被引：0
|
作者：
Zhao, Lin [1 ]
Song, Zhuo-Ran [1 ]
Shen, Fang [1 ]
Song, Ying-Wei [1 ]
Liu, Yan [1 ]
Yang, Ji-Ye [1 ]
Zhao, De-Wei [1 ]
机构：
[1] Liaoning Elect Power Co Ltd, Econ Res Inst, Shenyang 110015, Liaoning, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND COMMUNICATION ENGINEERING (CSCE 2015) | 2015年
关键词：
Hyperchaotic system; Synchronization; Nonlinear feedback; Secure communication;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The research of chaos synchronization and its application becomes a new research focus in nonlinear science field. The synchronization of a four-dimensional hyperchaotic system is analyzed. Based on Lyapunov stabilization theory, the sufficient conditions and range of the control parameters for self-synchronization of the hyperchaotic system are derived from nonlinear feedback control method when parameters of the system are known. Synchronization of the hyperchaotic systems can be achieved quickly by selecting appropriate control parameters. Finally, the synchronization systems are applied to speech secure communication. The encryption and restoration of the speech signal are simulated through experiments. The feasibility and effectiveness of the scheme are proved by theoretical analysis and simulation results.
引用
收藏
页码：783 / 789
页数：7
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