时滞chen混沌系统的本地脉冲同步及其通信方案
首发时间:2015-04-16
摘要:针对无穷维时滞chen混沌系统,本文提出一种本地脉冲同步方法,并由此设计了一套混沌保密通信方案。该同步方法通过收发两端本地的数字混沌系统产生相同的混沌脉冲序列,对各自的时滞chen混沌系统进行脉冲同步,无须在信道中传输同步信息。本文基于脉冲微分方程的稳定性理论,分析了时滞chen混沌系统在脉冲控制下同步的条件,给出了脉冲同步间隔和同步耦合强度之间的关系。最后给出的仿真实例,验证了同步理论分析的正确性,以及在噪声环境下,该同步方法的鲁棒性。
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Local Impulsive Synchronization of delayed chen systems and communication method
Abstract:A Local impulsive control method was proposed for chaotic synchronization of delayed chen systems , as well as an encryption communication method. In this method,the digital chaotic systems,which are separated from each other, are used to control the local delayed chen systems respectively ,so as to enable the separated delayed chen systems to stably and synchronously work .Thus,there is no need to transmit the synchronizing signal.In this paper,based on stability theory of impulsive differential equation,we discuss the condition of chaotic synchronization for delayed chen systems under impulsive control.finally some examples are given to demonstrate the effectiveness and robustness of the proposed method.
Keywords: chen chaotic system impulsive synchronization time delay secure communications
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No.4638299641251142****
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