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A Measured-Data Processing Method Based on MATLAB wavelet for distributed optical fiber sensing system

机译：基于MATLAB小波的分布式光纤传感系统测量数据处理方法。

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摘要

The development of the hidden hazard in earth and rockfill dams is a long-term process, but the symptom of its occurrence can be extracted from monitoring measured-data. However, severe disaster may happen since the cryptic proof in these measured-data was ignored. A method of data processing to identify the seepage degree is proposed. Distributed optical fiber sensing system is employed to monitor the change of the temperature caused by the seepage flow inside the dam. Due to tiny difference between two temperatures of the earth and stable seepage water, measured-data need to be processed further to identify unconspicuous seepage flow. MATLAB wavelet method is used to analyze these tiny changes hidden in measured-data, which is effective to tell the location and degree of the seepage.
机译：土石坝中隐患的发展是一个长期过程，但可以通过监测实测数据来提取其隐患。但是，由于忽略了这些测量数据中的加密证明，可能会导致严重的灾难。提出了一种识别渗漏程度的数据处理方法。分布式光纤传感系统用于监测由大坝内部的渗流引起的温度变化。由于地球的两个温度与稳定的渗水之间的微小差异，需要进一步处理测得的数据以识别不明显的渗流。 MATLAB小波方法用于分析隐藏在测量数据中的这些细微变化，可以有效地确定渗流的位置和程度。

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  • 来源
    《Optoelectronic measurement technology and systems》|2009年|P.751121.1-751121.4|共4页
  • 会议地点 Shanghai(CN);Shanghai(CN)
  • 作者

    A.H. Chen; H.Y. Zeng; G.L. Jiang; P.Y. Zhu;

  • 作者单位

    Hunan provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan China 411201;

    rnHunan provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan China 411201;

    rnHunan provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan China 411201;

    rnHunan provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan China 411201;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光学仪器;
  • 关键词

    measured-data; MATLAB wavelet; distributed optical fiber sensing; monitoring system;

    机译：测量数据MATLAB小波;分布式光纤传感监视系统;

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