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中文摘要：
针对现有混沌键控、混沌遮掩和混沌参数保密通信系统存在的一些缺点和实际应用的缺陷,提出了一种新型的混沌保密通信系统方案CD-QCSK系统的具体设计.同时对这个系统的实现原理进行了详细的推导,并基于Matlab/Simulink软件仿真实现了这个保密通信方案的信号传输,对其系统性能进行实验仿真分析,列举出了运用混沌加密前后效果图.该混沌键控系统同时兼具CDSK系统保密性高和QCSK误码率低的优点,系统的误码率性能和保密性也都有所提高,并且系统的传输速率是原有键控方式的4倍.
英文摘要：
In view of the shortcomings of secure communication systems with chaos shift keying, chaos masking and chaotic parameters,a new chaotic secure communication system is proposed,and the system implementation principle is deduced. The signal transmission is simulated and achieved based on Matlab/Simulink software, and the system performance is analyzed. The analysis verifies the improvement in security,hit error rate and data transmission rate.
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