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| GPS高程拟合似大地水准面的方法 | |
| 引用本文： | 魏立峰,何建国. GPS高程拟合似大地水准面的方法[J]. 地理空间信息, 2010, 8(4): 72-73,76 |
| 作者姓名： | 魏立峰 何建国 |
| 作者单位： | 秦皇岛市城市规划管理信息中心,河北,秦皇岛,066001;河北省基础地理信息中心,河北,石家庄,050031 |
| 摘 要： | 研究根据控制网的GPS高程及水准高程数据,利用平面相关法、二次曲面拟合法等数学模型在最小二乘配置下拟合区域似大地水准面。试验研究表明:二次曲面拟合法的拟合精度能够满足四等水准精度要求,因而GPS高程在工程建设领域具有广阔的应用前景。 |
| 关 键 词： | 似大地水准面 高程异常 GPS高程拟合 最小二乘配置 |
Methods for GPS Height Fitting Quasi-geoid |
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| WEI Lifeng,HE Jianguo. Methods for GPS Height Fitting Quasi-geoid[J]. Geospatial Information, 2010, 8(4): 72-73,76 | |
| Authors: | WEI Lifeng HE Jianguo |
| Affiliation: | WEI Lifeng 1,HE Jianguo 2 (1.Qinhuangdao Urban Planning&Management Information Center,Qinhuangdao 066001,China,2.Hebei Geomatic Center,Shijiazhuang 050031,China) |
| Abstract: | In this paper,according to control network with the GPS height and leveling data,Regional quasigeoid was fitted by using the models of plane correlation fitting and quadratic surface fitting under the condition of least squares collocation.The research result indicats that the model precision of quadratic surface fitting can meet the precision of fourth grade leveling,the application of GPS height has a wide prospect of application in engineering construction. |
| Keywords: | quasi-geoid abnormal height GPS height fitting least squares collocation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |