| 局部似大地水准面精化技术在地下管线测绘中的应用 |
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| 引用本文： | 王真义.局部似大地水准面精化技术在地下管线测绘中的应用[J].北京测绘,2009(4):56-60. |
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| 作者姓名： | 王真义 |
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| 作者单位： | 上海茗川测绘技术有限公司工程部,上海,201100 |
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| 摘 要： | 在介绍似大地水准面精化技术的的基础上，论证了在上海西部郊县地区应用GPS水准法确定区域似大地水准面的可行性，并通过确定上海嘉定、青浦两区的似大地水准面证明了用GPS水准法确定的似大地水准面精度可满足地下管线测绘工作的需要。
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| 关 键 词： | GPS/水准 二次曲面拟合 似大地水准面 |
The Application of the Accuracy Quasi-geodic Surface Technique on the Surverying of Underground Pipeline |
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| WANG Zhen-yi.The Application of the Accuracy Quasi-geodic Surface Technique on the Surverying of Underground Pipeline[J].Beijing Surveying and Mapping,2009(4):56-60. |
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| Authors: | WANG Zhen-yi |
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| Institution: | WANG Zhen-yi |
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| Abstract: | On the basis of introducing the accuracy quasi-geodic surface technique, the possibility of surveying regional quasigeodic surface by the GPS-leveling technique in the west county of shanghai is discussed in the paper. It is proved that the precision of quasi-geodic can meet the demand of the underground pipeline-surveying project by computing the quasi-geodic in jiading and qingpu county of shanghai. |
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| Keywords: | GPS/level dual-curving facet fitting quasi-geodic surface |
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