Method for removing interference in chaotic signals based on the Lyapunov exponent

查看全文 作　　者：YANG [1]Nan;LONG [1]ZhangCai;ZHAO [1]XiangHui

机构地区：[1]College of Physics,Huazhong University of Science and Technology,Wuhan 430074,China

出　　处：《Chinese Science Bulletin》索引2012年第57卷第5期,共5页

基　　金：supported by the National Natural Science Foundation of China (60874099 and 90820001) 摘　　要：A new method based on the phenomenon of synchronization and the properties of chaos is proposed to reduce interference in the transferred chaotic signals of synchronized systems. The interference is considered as a series of small deviations from the original clean trajectory in the phase space. By means of our special design, these small deviations can be estimated using positive Lyapunov exponents, and removed from interfered chaotic signals. Application is illustrated for the Lorenz attractor, and numerical computing demonstrates that the method is effective in removing typical external interference. 关键词：LYAPUNOV指数干扰消除混沌信号同步系统特殊设计指数估计干扰删除外部干扰

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Method for removing interference in chaotic signals based on the Lyapunov exponent

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