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Digital transmission for improved synchronization of analog chaos generators in communications systems

机译:数字传输可改善通信系统中模拟混沌发生器的同步

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摘要

We present a method for synchronization of chaos generators based on transmission of an analog chaotic waveform in a digital form. Experimental comparisons between digital and analog transmission of chaos from a delayed differential feedback system are performed. Synchronization is demonstrated to be between 18 and 39 dB (or equivalently 63 to 7943 times) better for digital transmission than analog. Coherent chaotic modulation and demodulation is demonstrated in a situation where there is no effective synchronization using analog transmission.(c) 2007 American Institute of Physics.
机译:我们提出了一种基于数字形式的模拟混沌波形传输的混沌发生器同步方法。从延迟差分反馈系统进行混沌的数字和模拟传输之间的实验比较。事实证明,与数字信号相比,数字传输的同步性能更好,介于18至39 dB(或63至7943倍)之间。在没有使用模拟传输进行有效同步的情况下,证明了相干混沌调制和解调。(c)2007美国物理研究所。

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