Implement of synchronization of time-varying parameters hyperchaotic system

doi:10.3778/j.issn.1002-8331.2009.03.032

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (3): 109-112.DOI: 10.3778/j.issn.1002-8331.2009.03.032

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Implement of synchronization of time-varying parameters hyperchaotic system

WANG Zhi-jian

Facuity of Science，Nantong University，Nantong，Jiangsu 226007，China

Received:2008-09-23 Revised:2008-12-01 Online:2009-01-21 Published:2009-01-21
Contact: WANG Zhi-jian

时变参数超混沌系统的同步方法与实现

王志坚

南通大学理学院，江苏南通 226007

通讯作者: 王志坚

Abstract

Abstract: We take up a new arithmetic which uses the chaotic mapping producing the key sequence to control the parameters of the chaotic system and use this arithmetic into the four-rank Lorenz hyperchaotic system that can let the system switch between the hyperchaotic state and chaotic state.The result of emulations shows that this method not only improve the secrecy of system greatly but also has the better capability of robustness，so this arithmetic offer a new measure that can let the chaotic synchro secure communication come into practice.

Key words: time-varying, parameters synchronization of hyperchaos, secure communication

摘要： 提出了一种利用混沌映射产生的密钥序列控制混沌系统参数的新算法，并应用于四阶Lorenz超混沌系统，使系统能在混沌与超混沌状态随机的切换，仿真实验结果表明，证实了该方法在极大提高系统保密性的同时仍能很好保持系统的鲁棒性，为混沌同步保密通信的实用化提供了一种新方法。

关键词: 时变参数, 超混沌同步, 保密通信

WANG Zhi-jian. Implement of synchronization of time-varying parameters hyperchaotic system[J]. Computer Engineering and Applications, 2009, 45(3): 109-112.

王志坚. 时变参数超混沌系统的同步方法与实现[J]. 计算机工程与应用, 2009, 45(3): 109-112.

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Implement of synchronization of time-varying parameters hyperchaotic system

时变参数超混沌系统的同步方法与实现

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