当噪声中含有微弱的多普勒回波时，通过理论分析可知系统输出为阵发混沌状态，且可根据混沌状态的间隔周期较准确地求出回波信号的多普勒频移。
When there is faint Doppler echo in noise, the system output is intermittent chaotic, and the Doppler shift can be obtained accurately by calculating the interval of chaotic state.
当噪声中含有微弱的多普勒回波时，通过理论分析可知系统输出为阵发混沌状态，且可根据混沌状态的间隔周期较准确地求出回波信号的多普勒频移。
When there is faint Doppler echo in noise, the system output is intermittent chaotic, and the Doppler shift can be obtained accurately by calculating the interval of chaotic state.
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