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Seismic waves velocity measurement with laser interferometric sensors

机译：用激光干涉传感器测量地震波速度

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摘要

Laser interferometry is one of the most sensitive methods for small displacement measurement for scientific and industrial applications. Interferometric techniques have been already successfully applied also to the design and implementation of very sensitive sensors for geophysical applications, like monolithic accelerometers. In this paper we describe the architecture and the expected theoretical performances of a laser interferometric velocimeter for seismic waves measurement. We analyze and discuss the experimental performances of the interferometric system, comparing the experimental results with the theoretical predictions and with the performances of a state-of the art commercial accelerometer. The results obtained are very encouraging, such as the sensitivity and stability of the interferometric system, that have been improved.
机译：激光干涉术是科学和工业应用中小位移测量最敏感的方法之一。干涉测量技术也已经成功地应用于地球物理应用中非常敏感的传感器（如整体式加速度计）的设计和实现。在本文中，我们描述了用于地震波测量的激光干涉测速仪的体系结构和预期的理论性能。我们分析并讨论了干涉仪系统的实验性能，将实验结果与理论预测值以及最新型商业加速度计的性能进行了比较。获得的结果令人鼓舞，例如干涉测量系统的灵敏度和稳定性已得到改善。

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  • 来源
  • 会议地点 Cardiff(GB)
  • 作者

    F. Acernese; R. Romano; F. Barone;

  • 作者单位

    Dipartimento di Scienze Farmaceutiche, Universita degli Studi di Salerno, Via Ponte Don Melillo, I-84084 Fisciano (SA), Italia INFN Sezione di Napoli, Complesso Universitario di Monte S. Angelo Via Cintia, I-84084 Napoli, Italia;

    Dipartimento di Scienze Farmaceutiche, Universita degli Studi di Salerno, Via Ponte Don Melillo, I-84084 Fisciano (SA), Italia INFN Sezione di Napoli, Complesso Universitario di Monte S. Angelo Via Cintia, I-84084 Napoli, Italia;

    Dipartimento di Scienze Farmaceutiche, Universita degli Studi di Salerno, Via Ponte Don Melillo, I-84084 Fisciano (SA), Italia INFN Sezione di Napoli, Complesso Universitario di Monte S. Angelo Via Cintia, I-84084 Napoli, Italia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 环境遥感;
  • 关键词

    velocimeter; seismic sensor; laser interferometry;

    机译：测速仪地震传感器激光干涉仪;

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