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23 February 2009 Laser applied on railway line profile measurement
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The railway line profile measurement is necessary for the safety of the train. This article expounds a method of railway line profile measuring using laser ranging and laser scanning technology with high precision and speed. With this method, the obstacle near the track can be found out and the hidden trouble can be removed. In tunnel, the crack and deformation on the tunnel wall can be measured. The parameter of the track and contact wire can be also inspected, such as rail gauge and superelevation, position of contact wire (stagger and height), wire wearing.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chaoyong Peng, Li Wang, Zeyong Wang, Xiaorong Gao, Kai Yang, Jianping Peng, and Yu Zhang "Laser applied on railway line profile measurement", Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71981C (23 February 2009);


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