影响地图投影多项式变换精度的若干因素分析  

Analysis of Some Influencing Factors on Accuracy of Map Projective Polynomial Transformation

作　　者：刘宏林[1] 吕晓华[1] 江南[1] 於建峰[1] 

机构地区：[1]信息工程大学测绘学院,河南郑州450052

出　　处：《测绘科学技术学报》2011年第2期108-112,共5页Journal of Geomatics Science and Technology

基　　金：国家自然科学基金资助项目(41071287)

摘　　要：地图投影变换是数字地图制图和地理信息系统中进行地理空间数据处理的重要步骤和过程,而多项式变换又是地图投影数值变换中最常用和最有效的方法之一。提出了影响地图投影多项式变换精度的若干因素,深入分析了这些因素对多项式变换精度的影响,最后得出了提高多项式投影变换精度的相关结论。The map projective transformation is a very important approach of the geospatial data handling for the digital mapping and GIS.Besides,the polynomial transformation is one of the most popular and effective method in the map projective numerical transformation.The influencing factors on the accuracy of map projective polynomial transformation were proposed and analyzed intensively by calculating data.Some conclusions for enhancing the accuracy of map projective polynomial transformation were given lastly.

关 键 词：地图投影变换 数值变换 多项式变换 影响因素 精度分析 

分 类 号：P282[天文地球—地图制图学与地理信息工程]