To avoid the variance of DCSK signal itself and decrease that caused by additive channel noise,a novel DCSK scheme with chaotic polyphase sequence(CPS) is presented.

• 经过对上述三种因素的分析 ；提出了一种新型的DCSK通信系统 ；该系统使用混沌多相序列 (CPS)避免DCSK信号本身带来的误差 ；同时采用相空间量子化的方法降低加性信道噪声的干扰 .