A Brief Introduction to Seismic Instrumentation: Where Does My Data Come From?

A Brief Introduction to Seismic Instrumentation: Where Does My Data Come From?
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地震仪器简介:我的数据从哪里来?

DOI:
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发表时间:
2020
期刊:
影响因子:
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通讯作者:
P. Bastien
P. Bastien
中科院分区:
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文献类型:
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作者:
A. Ringler;P. Bastien

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现代地震学已经能够利用多项技术进步。其中包括地震计中的反馈回路、具有绝对定时的专用数字化仪以及用于存储数据的压缩格式。虽然所有这些进步都有助于改善该领域,但它们也可能让新手有点困惑。我们的目标是简要概述地震地面运动记录的起源。我们讨论了获取数字数据所需的一系列事件,以及如何反转这些步骤以恢复地面运动单位,例如加速度、速度或位移。最后,我们展示了一些因各种非地面运动信号而受到损害的数据示例。我们希望这个简短的概述提供快速实用的介绍,让读者熟悉观测地震学中使用的各种术语。
Modern seismology has been able to take advantage of several technological advances. These include feedback loops in the seismometer, specialized digitizers with absolute timing, and compression formats for storing data. While all of these advances have helped improve the field, they can also leave newcomers a bit confused. Our goal here is to give a brief overview of how recordings of seismic ground motion originate. We discuss the chain of events that are required to obtain digital data plus how these steps can be reversed to recover units of ground motion such as acceleration, velocity, or displacement. Finally, we show a few examples of data that have become compromised because of various non-ground-motion signals. We hope this brief overview provides a quick practical introduction to allow the reader to become familiar with the various jargon used in observational seismology.
DOI: 10.1016/j.tecto.2018.08.013
发表时间: 2018-10
期刊: Tectonophysics
影响因子: 2.9
作者:
V. Silwal;C. Tape;A. Lomax
通讯作者: V. Silwal;C. Tape;A. Lomax