二、用试制的激光测量仪器进行地面实际形状(方向)的测量 1.前言 “长坡的纵向偏差”对高速列车的稳定产生很大影响,因此,为了适应列车更高速度的要求,急需确定“长坡纵向偏差”的维修方法和作为其前提的轨道偏差的测量方法。目前在现场作业之前,使用经纬仪或捣固车上用的望远镜进行测量,但望远镜的视准距离最大限于 Second, the trial of the laser measuring instruments for the actual shape of the ground (direction) of the measurement 1. Introduction “Longitudinal longitudinal deviation” has a significant impact on the stability of high-speed trains, therefore, in order to meet the requirements of the train at higher speeds, urgent need to determine “Long slope longitudinal deviation” maintenance methods and as a prerequisite for the measurement of orbit deviation. Currently in the field before the operation, the use of theodolite or tamper with a telescope for measurement, but the telescope collimation distance is limited to