GPS水准多项式曲面拟合模型实验研究  

Experiment research on seeking multinomial curved surface fitting model of GPS leveling

作　　者：李广杰[1] 何群[2] 郭甲媵 

机构地区：[1]沈阳市勘察测绘研究院,辽宁沈阳110015 [2]东北大学测绘工程系,辽宁沈阳110004

出　　处：《鞍山科技大学学报》2007年第3期262-265,共4页Journal of Anshan University of Science and Technology

摘　　要：利用移动多项式曲面拟合基本原理,探讨了不同模型对已知点数量的多少以及已知点与拟合点之间的位置关系对GPS水准拟合精度的影响规律,通过在实际工程中的应用实验研究,得出利用合适的拟合模型GPS高程能达到四等水准测量要求的结论。对GPS实际生产作业具有一定的指导意义,同时通过处理数据的统计与比较,给出某一地区的最优模型。By using basic principle of curved surface fitting of mobile multinomial, the law of impact on precision of different model which is caused by the different number of given points that have been known and the position relationship between the given points that have been known and the given points that need fitted. Through practical experiment research, conclusion can be obtained that GSP leveling＇s accuracy can be satisfied class 4 leveling surveying by fit fitting model, which has certain directive significance to GPS real production. At the same time the optimum model is given for one area through our statistics and the treated data comparison.

关 键 词：模型 曲面拟合 GPS水准 内推 

分 类 号：P228.4[天文地球—大地测量学与测量工程]