一个混沌电路的特性及其在保密通信中的应用研究

Characteristics of a chaotic circuit and application of it in chaotic secure communication

设计了一个实际混沌电路,并用EWB软件对该电路产生的混沌信号特性进行了仿真研究.同时对电路进行了实验研究,并在示波器上观察到了丰富的混沌信号.实验与仿真结果表明:该电路产生的混沌信号稳定,电路处于混沌状态时的参数可调节范围大.另外还用该电路成功地进行了混沌掩盖保密通信的仿真研究与实验研究.

A chaotic circuit is designed and it is implemented using electric elements.The chaotic characteristics of the signal produced by the circuit are studied using EWB software.The experimental studies are carried out also,and plenty of chaotic signals are observed on oscilloscope.The studies show that the circuit can produce steady chaotic signals,and the adjustable range of the parameters of the circuit in its chaotic state is great.Besides,the chaotic secure communication based on this circuit is studied by simulation and experiment,and good result is obtained.