A high precision processing method for the CCD video signal of the catenary wire wear measurement is presented in the paper and a criterion for measuring target border has been set up.
介绍一种对CCD固态传感器测量接触网导线磨耗视频模拟信号的高精度处理方法，建立了测量目标边界的判据。
Research methods:The analysis is made for the present situation of catenary of overhead contact wire system and main measures against wear of it.
研究方法：通过对接触网承力索的现状和主要防磨损措施的研究来进行分析。
With the help of catenary theory, it gets the catenary equation for the steel wire rope at pendency segment.
对四卷筒抓斗卸船机抓斗开闭的影响因素进行定量分析，根据悬索理论，给出了悬垂段钢丝绳的悬垂方程。
With the help of catenary theory, it gets the catenary equation for the steel wire rope at pendency segment.
对四卷筒抓斗卸船机抓斗开闭的影响因素进行定量分析，根据悬索理论，给出了悬垂段钢丝绳的悬垂方程。
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