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Accurate characterization of low-level vibration environments using seismological sensors and systems

机译:使用地震传感器和系统准确表征低级振动环境

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Abstract: Characterization of very low amplitude, very low frequency vibration requires specialized sensors and systems not found within the standard industrial sources. Standard seismological instrumentation can be directly adapted to these difficult industrial vibration measurement needs. This paper studies the suitability for industrial vibration measurement of various classes of active and passive seismometers and seismological instrumentation systems. Current work by a USGS-sponsored working group on Standards for Seismometer Testing provides a formal framework with which to specify the 'Operating Range' (combined frequency and amplitude range) of various sensors. Typical operating ranges of available sensors and systems are compared with low level industrial vibration ranges. Several case studies are presented as examples of the application of seismological instrumentation to low level industrial vibration characterization.!2
机译:摘要:要表征非常低的振幅,非常低的频率振动,需要专用的传感器和系统,而这些传感器和系统在标准工业资源中是找不到的。标准地震仪器可以直接适应这些困难的工业振动测量需求。本文研究了各种类型的有源和无源地震仪和地震仪器系统在工业振动测量中的适用性。由USGS赞助的地震仪测试标准工作组的当前工作提供了一个正式的框架,用于指定各种传感器的“工作范围”(频率和幅度范围的组合)。将可用传感器和系统的典型工作范围与低水平的工业振动范围进行了比较。提出了几个案例研究,作为地震仪器在低水平工业振动表征中的应用实例。2

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