摘要
为了进一步研究混沌系统的特性,对正弦信号驱动的Chen混沌系统的动力学特性进行分析和研究。文章利用在Chen混沌系统上外加正弦信号的方法,不同参数下可以生成周期轨道、混沌吸引子或超混沌吸引子;讨论系统的耗散性、雅可比矩阵、维数等动力学特性,通过Matlab数值仿真,分析新混沌系统的时域波形图、吸引子、分岔图及李氏指数谱等;最后,对一个Chen超混沌系统进行模块化电路设计,利用Multisim软件进行电路仿真,验证了该混沌系统的可实现性,为今后应用于混沌保密通信等提供理论依据。
In order to further study the characteristics of chaotic system,the dynamic characteristics of Chen chaotic system driven by sinusoidal signal are analyzed.The periodic orbits,chaotic attractors or hyperchaotic attractors can be generated under different parameters by adding sinusoidal signals on the Chen chaotic system.With the aid of numerical simulation by Matlab,the dissipativity,Jacobi matrix and dimension of the system are discussed,and the time domain waveform,attractor,bifurcation diagram and Lyapunov exponent spectrum of new chaotic system are analyzed.Finally,the modular circuit design of a Chen hyperchaotic system is given,and the circuit simulation is made using Multisim software to verify the feasibility of this chaotic system.This study can provide a theoretical basis for the application of the system in chaotic secure communication in the future.
作者
温贺平
WEN Heping(Information and Education Technology Center,Dongguan Polytechnic,Dongguan 523808,China)
出处
《合肥工业大学学报（自然科学版）》
CAS
北大核心
2018年第8期1046-1051,共6页
Journal of Hefei University of Technology：Natural Science
基金
广东省教育厅青年创新人才自然科学基金资助项目(2017GkQNCX114)
东莞市社会科技发展(一般)资助项目(20185071561239)
作者简介
温贺平(1984-),男,广东梅州人,东莞职业技术学院高级工程师.
