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Measurement of Ground and Building Distortion using Optical Fiber Cables

机译:使用光纤电缆测量地面和建筑物变形

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摘要

NTT has developed a technology for measuring changes in the shape of ground or buildings by using optical fiber cables as the sensors. This newly developed measurement technology is an application of optical fiber cable maintenance technology "Optical Fiber Distortion/Loss Integrating OTDR)". It involves fixing optical fiber cables on the object to be measured such as the ground or a building and measures any change in its shape or location based on the magnitude and direction of any tension applied to the optical fiber cables. Specifications have been optimized by improving the measuring accuracy of the "Distortion/Loss Integrating, OTDR" particularly for measuring distortions of structures. This development is expected to contribute greatly to the surveillance of ground conditions and the safety evaluation of buildings, where the capability of continuous observation of changes in shape has been desired for some time.
机译:NTT开发了一种技术,通过使用光纤电缆作为传感器来测量地面或建筑物的形状变化。这项新开发的测量技术是光纤电缆维护技术“光纤失真/损耗OTDR”的应用。它涉及将光缆固定在要测量的物体(例如地面或建筑物)上,并根据施加到光缆的任何张力的大小和方向来测量其形状或位置的任何变化。通过提高“失真/损耗积分,OTDR”的测量精度,尤其是用于测量结构变形的测量精度,对规格进行了优化。预计这种发展将大大有助于地面条件的监视和建筑物的安全性评估,在这些领域中,人们需要在一段时间内连续观察形状变化的能力。

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  • 来源
    《Science & Technology in Japan》 |1998年第64期|p.44-46|共3页
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  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

  • 入库时间 2022-08-18 01:01:34

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