[KongchangAI]
Unverified80% confidenceFactTime unknown

工业设备预测性维护中,振动传感器需覆盖设备特征频率的2.5倍以上采样带宽,轴承/齿轮故障常见于1-10kHz,故需选压电式加速度计而非低频MEMS

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