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四维二次超混沌系统及其硬件实现

更新时间:2020-10-22 05:00:46 大小:1M 上传用户:zhengdai查看TA发布的资源 标签:混沌系统 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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提出了一个四维二次超混沌系统,通过Lyapunov指数计算验证了系统的混沌特性,并给出了系统的硬件实现电路.系统的Matlab仿真波形与所设计电路的Multisim仿真波形完全一致,证明了系统的可实现性.并且利用该混沌信号源实现了信号加密,把混沌信号的迭代的次数以及对各个混沌信号采用不同的放大或缩小倍数设置为密钥,提高了信息传递的可靠性和安全性.

In the present study, a four- dimensional secondary hyperchaos system has been put forward, the chaotic characteristic of the system was verified through the Lyapunov index calculation, and the system realization of hardware circuit was also provided. It is found that the Matlab simulation waveforms of the system are consistent with Muhisim simulation waveforms of the designed circuit, which proves that the system can be achieved complete- ly. Furthermore, using the chaotic signal source, the signal eneryption has been realized, and the chaotic signal it- erative times and various chaotic signals using different zoom in or out multiples have also been set for a key, im- proving the reliability and security of the transmission of information.

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