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Advanced Processing of Time Domain Reflectometry for Improved Slope Stability Monitoring

机译：时域反射仪的高级处理，可改善边坡稳定性监测

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摘要

Time Domain Reflectometry (TDR) has been utilized to monitor slope movement in a variety of geotechnical settings including highway cuts, rail beds, and open pit mines. Until now, the interpretation of TDR results for detecting slope movement and identifying the location of shear planes has been limited to visual inspection of the plots of cable reflectance versus distance along the cable. We describe novel signal processing techniques that extract reliable indications of slope movement from the TDR data and present a comparison to both slope inclinometer results and visual interpretation of TDR. In this comparison, the more advanced signal processing yielded reliable indications of slope movement well earlier than both visually interpreted TDR and slope inclinometer results.
机译：时域反射仪（TDR）已用于监视各种岩土工程环境中的边坡运动，包括高速公路开挖，铁路道床和露天矿。到目前为止，用于检测坡度移动和确定剪切平面位置的TDR结果的解释仅限于目视检查电缆反射率与沿电缆距离的关系图。我们描述了新颖的信号处理技术，该技术可从TDR数据中提取斜坡运动的可靠指示，并与斜坡测斜仪结果和TDR的视觉解释进行比较。在这种比较中，比视觉上解释的TDR和倾斜仪的结果，更先进的信号处理能够更早地给出可靠的斜坡运动指示。

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