介绍了广州地铁现场使用的故障测距方法,在对其进行理论分析和仿真验证的基础上,对该故障测距方法进行改进。和原方法相比,改进后的故障测距方法具有测距精度更高、操作简单的优势,可以为地铁运营方检修提供参考。%This article describes a fault-location method widely used in Guangzhou Metro and offers its theoretical analysis and simulation accordingly. On this basis, a improved fault-location method is proposed. Compared with the original methods, the improved one is of higher ranging precision and simple operation, which can be a reference for the metro operation company.
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