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提出由一阶时延微分方程描述的无限维混沌系统，在结构上易于实现。本文将有用信号直接输入该系统以实现保密通信，理论推导和实验结果均表明在经历很短的过渡时间后，接收端和发射端能很快同步。本文的模型在很大参数范围内都能产生混沌，因此具有良好的保密性。
The infinite dimensional chaotic system described by first-order delay differential equation is proposed and is easy to implement in structure. In this paper, a useful signal is directly input to the system to achieve secure communication. The theoretical derivation and experimental results show that the receiver and transmitter can synchronize quickly after a short transition time. The model in this paper can generate chaos in a large range of parameters, so it has good confidentiality.