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相关实验视频

Updated: Jan 12, 2026

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自动检测噪音微地震数据的到达时间,使用多窗口能量比率方法的转换差异.

Zhiyong Zhang1, Wen Cao2, Shuailong Wang2

  • 1School of Mining, Liaoning Technical University, Fuxin, 123000, China. zhiyongzhang@hotmail.com.

Scientific reports
|November 4, 2025
PubMed
概括

一种新的多窗口能量比率 (TDER) 方法的转换差异改进了微地震事件的检测. 这种方法在信号噪声比较低的环境中提高了准确性,优于传统方法.

关键词:
自动挑选自动挑选检测方法 检测方法微观地震监测 微观地震监测多个窗口的能量比率不稳定的岩石面不稳定

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科学领域:

  • 地质物理学 地质物理学
  • 地震学 地震学
  • 地震工程的工程是地震工程.

背景情况:

  • 精确检测微地震事件到达时间对于微地震监测至关重要.
  • 挑战包括低信号噪声比 (SNR) 和复杂的地质结构.

研究的目的:

  • 开发和验证用于微地震监测的新型到达时间检测战略.
  • 在低SNR条件下解决现有方法的局限性.

主要方法:

  • 用多窗口能量比率 (DER) 之间的修改差异来描述微地震痕迹.
  • 开发了一种改进的DER' (TDER) 方法,采用了手工采摘的特征.
  • 使用伪合成和现场数据在各种噪音水平下验证了TDER方法.

主要成果:

  • 在低SNR场景中,TDER方法显示出强大的性能.
  • 它在准确性和检测成功方面超过了传统的STA/LTA和原始的DER方法.
  • 参数灵敏度分析证实了该方法的适应性.

结论:

  • 该TDER方法在微地震到达时间检测方面取得了重大进展.
  • 它为具有挑战性的监控环境提供了可靠且易于实施的解决方案.
  • 该方法具有适应性,几乎没有参数,从而提高了其实际适用性.