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The Design and Its Application in Secure Communication and Image Encryption of a New Lorenz-Like System with Varying Parameter

机译:参数变化的新型Lorenz-Like系统的安全通信和图像加密设计及其应用

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摘要

A new Lorenz-like chaotic system with varying parameter is proposed by adding a state feedback function. The structure of the new designed system is simple and has more complex dynamic behaviors. The chaos behavior of the new system is studied by theoretical analysis and numerical simulation. And the bifurcation diagram shows a chaos-cycle-chaos evolution when the new parameter changes. Then a new synchronization scheme by a single state variable drive is given based on the new system and a chaotic parameter modulation digital secure communication system is also constructed. The results of simulation demonstrate that the new proposed system could be well applied in secure communication. Otherwise, based on the new system, the encryption and decryption of image could be achieved also.
机译:通过增加一个状态反馈函数,提出了一个新的具有可变参数的类Lorenz混沌系统。新设计的系统的结构简单,并且具有更复杂的动态行为。通过理论分析和数值模拟研究了新系统的混沌行为。当新参数发生变化时,分叉图显示了一个混沌周期-混沌演化。在此基础上,提出了一种基于单状态变量驱动的新同步方案,并构造了混沌参数调制数字安全通信系统。仿真结果表明,该新系统可以很好地应用于安全通信中。否则,基于新系统,也可以实现图像的加密和解密。

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  • 来源
    《Mathematical Problems in Engineering》 |2016年第4期|8973583.1-8973583.11|共11页
  • 作者单位

    Harbin Engn Univ, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Engn Univ, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Engn Univ, Harbin 150001, Heilongjiang, Peoples R China;

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