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分析自由测站边角交会法和导线测量的内在联系,对铁路有砟轨道CPⅢ控制网应用自由测站边角交会法进行探讨。在同样的观测精度下,自由测站边角交会法测量比导线法测量的点位精度高,并具有较多的轨道控制点,便于铺轨测量应用。
This paper analyzes the internal relations between the intersection of the free station corner and the conductor measurement and discusses the application of the free station corner intersection method for the railway 砟 orbit CP Ⅲ control network. Under the same observation accuracy, the free station corner intersection method is more accurate than the wire method to measure the point position and has more orbit control points, which is convenient for the application of the measurement of the track.