Potential Advantages of a Strong-motion Velocity Meter over a Strong-motion Accelerometer

Potential Advantages of a Strong-motion Velocity Meter over a Strong-motion Accelerometer
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强运动速度计相对于强运动加速度计的潜在优势

DOI:
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发表时间:
2002
期刊:
影响因子:
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通讯作者:
T. Heaton
T. Heaton
中科院分区:
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文献类型:
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作者:
J. Clinton;T. Heaton

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这项研究探讨了部署速度记录强运动仪器来代替现有的力平衡加速度计是否会更好。拟议的仪器将与现有宽带地震仪的低增益版本相当。使用大量地球信号,我们将这种假设的长周期低增益速度地震计(限幅水平设置为 ±5 m/s)与现有的 ±2 g 限幅 Kinemetrics FBA-23 加速度计进行比较。 我们表明,与加速度计相比,所提出的仪器的部署具有显着的优势。
This study examines whether it would be better to deploy a velocity-recording strong-motion instrument in place of existing force-balance accelerometers. The proposed instrument would be comparable to a low-gain version of existing broadband seismometers. Using a large suite of Earth signals, we compare such a hypothetical long-period low-gain velocity seismometer (with a clipping level set to ±5 m/s) with the existing ±2 g clipping Kinemetrics FBA-23 accelerometer. We show that there are significant advantages in the deployment of the proposed instrument over an accelerometer.