摘要
给出了测定与计算钢环圆心坐标和半径的方法,按照最小二乘原理进行求解,并根据实际数据进行了验证和分析,实现了地铁盾构隧道洞门钢环圆心坐标的精确测定。
The method of the subway shield gateway steel ring considered to a circle of the solid space is applied.The process of measuring and calculating the center coordinate and the radius of the steel ring circle is analyzed.The center coordinate of the steel ring circle can be measured accurately.
出处
《测绘信息与工程》
2011年第2期31-33,共3页
Journal of Geomatics
关键词
三维坐标
球面方程平差模型
平面方程平差模型
three dimension coordinates
sphere equation adjustment model
plan equation adjustment model
