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.
混沌开关键控(COOK)和差分混沌键控(DCSK)是两种基本的调制方案。
Chaotic on-off keying (COOK) and differential chaos-shift keying (DCSK) are two simple modulation schemes.
混沌键控(CSK)按解调方式通常分为相干解调的CSK与非相干解调的CSK。
Chaos Shift Keying (CSK) is generally divided into two categories by demodulation method as coherent detection CSK and non-coherent ones.
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.
其中重点分析了混沌掩盖技术，混沌参数调制技术，混沌键控技术和混沌扩频技术的原理。
Chaos masking, chaotic parameter modulation, chaos shift keying, chaotic spread spectrum sequence are discussed in detail.
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.
文章给出了信道增益变化下利用蔡氏电路的混沌信号进行的包括信号调制和解调完整过程的混沌键控通信实验电路。
In this paper, an experimental CSK circuit using Chua s circuit with the whole modulation and demodulation process under changeable communication channel gain is presented.
调频差分混沌键控(FM -DCSK)的比特能量是常数，可以提高传输速率，但和CS K相比较，性能上仍有差距。
The energy per bit of FM-DCSK is kept constant to increase the transmission rate. But the performance of CSK is yet better than that of FM-DCSK.
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.
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.
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.
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.
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.
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