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A Method to Identification and Period Calculation of Intermittent Chaos

机译:间歇性混沌的识别与周期计算方法

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摘要

The frequency spectrum analysis of the output from the Duffing system is given when the intermittent chaos takes place in the chaotic system.A method based on filtering is brought forward to detect whether the intermittent chaos has occurred or not. Even more, through this method the cycle time of the intermittent chaos can be calculated. The frequency difference between the unknown signal and the reference signal can be detected consequently. It is shown that the signal-to-noise rate can be reduced at -20dB and the error can be reduced below 0.05% by the simulation results.
机译:给出了在混沌系统中出现间歇性混沌的情况下对Duffing系统输出的频谱分析。提出了一种基于滤波的方法来检测间歇性混沌是否发生。甚至,通过这种方法,可以计算出间歇性混沌的周期时间。因此,可以检测未知信号和参考信号之间的频率差。结果表明,仿真结果表明,信噪比可以降低-20dB,误差可以降低到0.05%以下。

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