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This paper studies the implementation of weak signal detection chaotic oscillators. Also, the detection model of the system is theoretically studied and analyzed. The main mechanism of the chaotic oscillator detecting the same frequency signal and the non-frequency signal located in the difference frequency range is expounded. The dissertation provides a reference for the realization of weak signal detection using chaotic oscillator.

Multi-scroll chaotic attractors’ synchronization technology is one of the important research achievements in recent years.This paper uses driving-response synchronization method to achieve the two 6-scroll chaotic attractors’ synchronization in the four-dimensional syetem.The feasibility of this method is proved by theoretical analysis and numerical simulation.