共振解调技术对低频冲击的高频共振波形进行包络检波，可以有效地提取低频冲击特征。
By envelope demodulation of the resonance in a range of high frequency caused by the shock of low frequency, the resonance demodulation technique can effectively extract the shock features.
共振解调技术对低频冲击的高频共振波形进行包络检波，可以有效地提取低频冲击特征。
By envelope demodulation of the resonance in a range of high frequency caused by the shock of low frequency, the resonance demodulation technique can effectively extract the shock features.
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