摘要
叙述了工程测量对平面坐标系统的选择要求及投影长度变形的计算方法,重点讨论了在线路较长、高程变化较大的带状区域工程施工中平面坐标系统的选择方法,并用实例进行了分析。
This paper introduced the request to the horizontal coordinate system selection and the computational method of the distortion of projectional length in the engineering survey. It emphatically discussed the horizontal coordinate system selection method in engineering survey for strip corridor region with long route and big - changed elevation. It also carried on the analysis with an example.
出处
《测绘与空间地理信息》
2008年第4期176-177,共2页
Geomatics & Spatial Information Technology
关键词
坐标系统
投影长度变形
中央子午线
横坐标
高程
投影面
coordinate system
the distortion of projectional length
central meridian
Y - coordinate
elevation
projecting plane
