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.
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.
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.
在此基础上给出了两种混沌保密通信系方案，即混沌载波调制系统和混沌载波键控系统。
Then, the system block of two chaotic communication system is given, I, e. chaotic carrier modulation system and chaotic carrier key system.
文章提出了一种基于相干混沌移位键控信号的卫星隐蔽通信方案，并建立了系统模型，然后采用离散基带信号分析了其隐蔽性能、抗干扰性能以及相关参数的选取。
A scheme of satellite covert communication based on the coherent chaos shift keying signal is proposed in this paper, then the whole system model is also constructed.
针对微弱二进制相移键控(BPSK)信号的解调问题，对基于混沌系统的解调方法进行了研究。
Concerning the problem of demodulating the weak Binary Phase Shift Keying (BPSK) signal, the demodulation method based on chaotic system was researched.
研究了基于变型蔡氏电路的二进制混沌键控信号的同步特性，并设计一种二进制混沌键控信号调制与相关解调的硬件实验系统。
Researching the 2csk synchronization characterize based on changed Chua's circuit, and designing a hardware experimental system of 2csk signals for modulation and coherent demodulation.
研究了基于变型蔡氏电路的二进制混沌键控信号的同步特性，并设计一种二进制混沌键控信号调制与相关解调的硬件实验系统。
Researching the 2csk synchronization characterize based on changed Chua's circuit, and designing a hardware experimental system of 2csk signals for modulation and coherent demodulation.
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