排列五质合走势图

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加速度振动传感器如何工作?

日期:2020-01-15 00:16
浏览次数:24
摘要: 大多数加速度计依赖于压电效应的使用,当某些类型的晶体在受到应力时会产生电压时,就会发生压电效应。测试结构的加速度传递到加速度计内部的地震质量,该质量在压电晶体上产生比例力。然后,晶体上的这种外部应力会产生高阻抗电荷,该电荷与施加的力成比例,因此与加速度成比例。 IEPE加速度计输出与压电晶体上的振动力成比例的电压信号 压电或电荷模式加速度计需要外部放大器或串联电荷转换器来放大产生的电荷,降低输出阻抗以与测量设备兼容,并***大程度地降低对外部噪声源和串扰的敏感性。其他...

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IEPE加速度计输出与压电晶体上的振动力成比例的电压信号

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加速度振动传感器如何工作?

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