After having compared with common-used technique in contact wire height measurement, this paper describes a laser phase-detecting method to measure the height of contact wire.

在比较了以往采用的接触网导线高度检测技术后，开发出基于激光相位测距原理的接触网导线高度检测系统。

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After having compared with common-used technique in contact wire height measurement, this paper describes a laser phase-detecting method to measure the height of contact wire.

在比较了以往采用的接触网导线高度检测技术后，开发出基于激光相位测距原理的接触网导线高度检测系统。

youdao