| 茂名城区GPS拟合高程精度的探讨 |
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| 引用本文： | 丁德生.茂名城区GPS拟合高程精度的探讨[J].地理空间信息,2012(1):73-75,3. |
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| 作者姓名： | 丁德生 |
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| 作者单位： | 广东省国土资源测绘院 |
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| 摘 要： | GPS控制网在联测水准点的基础上,利用GPS水准高程来实现GPS网点的大地高向正常高转换,其精度主要受所拟合的似大地水准面、已知点高程和GPS网点大地高3种误差的影响。
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| 关 键 词： | GPS 水准点 高程拟合 大地高 正常高 拟合精度。 |
Fitting on the Elevation Accuracy of GPS in Maoming City |
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| DING Desheng.Fitting on the Elevation Accuracy of GPS in Maoming City[J].Geospatial Information,2012(1):73-75,3. |
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| Authors: | DING Desheng |
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| Institution: | DING Desheng |
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| Abstract: | GPS control network in the united measurable standards point,based on the use of GPS to achieve the level of elevation of the GPS network to normal earth high conversion,the precision is mainly affected by the fitting of the geoid,and GPS locations of known elevation points error of the earth or high impact. |
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| Keywords: | GPS level points elevation fitting geodetic height normal fitting accuracy |
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