Abstract
Analyzing the problem of the existed chaotic masking secure communication, given a new chaotic communication method with the separation between chaos synchronization control signal and chaos modulated signal. A chaotic pilot signal is used independently to synchronize the chaos of the communication transceiver, it is a better solution for the original chaotic communication systems in which the information signal is much smaller than the chaotic modulation signal and anti-noise performance is poor. The circuit simulation based on Sprott system I was built to verify the new method of chaotic communication. Simulation results show that it is more flexible to achieve synchronization between communication terminals, more accurate for chaos synchronization, high performance of anti-noise, and the strength of the information signal is no affected by the chaotic signal.
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