| Demodulator for Chaotic Secure Communication Based on proportional—litegral Feedback Design |
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| 作者姓名： | 邹润民 YangTao 等 |
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| 作者单位： | [1]CollegeofInformationScience＆Engineering,CentralSouthUniversity,Changsha410083,P.R.China [2]DepartmentofAutomation,ShanghaiJiaotongUniversity,Shanghai200030,P.R.China |
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| 摘 要： | A scheme of chaotic secure communication based on the parameter modulation and the inversion of a chaotic dynamical system is analyzed.According to this schems,information signal is modulated by a bifurcation parameter of the transmitter,which is in chaotic state.In the receiver,a proportional-integral feedback demodulator is used to demodulate the information signal,which only uses the available synchronizing error as well as stateness of receiver,The purpose of this demodulator is proposed to overscome the influence of differentiation operation,nonlinear part and singularities in chaotic system.Numerical simulation is proposed to show the effectiveness of this demodulator.
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| 关 键 词： | 混沌安全通信 解调器 比例－积分反馈设计 |
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