摘要
已知点的分布密度直接关系到高程的拟合精度,文章以待求点与已知点间隔约500 m,1 000 m的线路利用不同模型来拟合线路进行精度分析,通过运用不同几何模型、不同的分布密度拟合长线路高程得出了一些有益结论,为工程前期设计提供一些参考资料。
The known point distribution density is directly related to the elevation fitting precision, The paper analyses the precision of the known points and unknown points for intervals of 500 meters and 1000 meters to fit the line by using different geometric model and different distribution density fitting long - line elevation to draw some useful conclusions and to provide some reference for preliminary engineering design.
出处
《测绘与空间地理信息》
2012年第9期117-119,122,共4页
Geomatics & Spatial Information Technology
关键词
GPS
正常高
几何模型
精度分析
GPS
normal height
geometry model
precision analysis
