全站仪中间自由设站法三角高程测量浅析  

Trigonometric vertical distancemeasurement analysis by the method of freedom setting station

作　　者：王慧超 孙莹 

机构地区：[1]中铁二十局第一工程有限公司,江苏苏州215151 [2]中铁二十局技工学校,陕西渭南71400

出　　处：《北京测绘》2011年第1期52-54,共3页Beijing Surveying and Mapping

摘　　要：阐述了全站仪中间自由设站法三角高程测量的原理及精度分析,经理论分析,该方法在一定条件下可达到三等水准测量的精度要求,特别适合山区高速公路、铁路等线性工程的高程控制测量。This paper elaborated the height measurement by the method of freedoms station at the midway and accuracy,and had proven this method can meet the requirements of three-order leveling precision and precision request under the definite condition,Specially suit the height measurement,such as mountain area superhighway and railroad...etc.control diagraph.

关 键 词：全站仪 中间自由设站 误差 精度 

分 类 号：P224[天文地球—大地测量学与测量工程]