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本文讨论了蔡氏混饨同步通信系统的主要性质和局限性，提出了一种多级混沌安全通信系统，证明了该系统对传输信号可以完全重建，在有效带宽、失真特性及安全特性方面获得了改善．文中给出了利用该系统进行语音数据和静止图像数据传输的实例．
In this paper, we discuss the main properties and limitations of Chua ’s chaotic synchronous communication system, and propose a multi - level chaotic secure communication system. It is proved that the system can completely reconstruct the transmitted signal and obtain the effective bandwidth, distortion characteristics and security features improve. The paper gives examples of using the system for voice data and still image data transmission.