目前，混沌键控系统是混沌通信中研究最多的系统。

Simultaneously, the realization of chaos synchronized has provided the rationale for the chaos security communication.

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在研究其产生机理的基础上，进一步提出了用多涡卷混沌系统实现多进制数字混沌键控(MDCSK)的一种方案。

Based on the study of their generating mechanism, a novel scheme of multi-level digital chaos shift keying (MDCSK) via multi-scroll chaotic systems is presented.

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提出了一种基于收缩映射的混沌键控信号解调方案，给出了系统误码性能的数学表达式。

In this paper, a coherent demodulation scheme for chaos shift keying signals is presented, and formula for bit error rate is given.

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