| 长线路测量坐标系建立与GPS的应用 |
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| 引用本文： | 俞建康,蒋惠新.长线路测量坐标系建立与GPS的应用[J].现代测绘,2011,34(3):34-36. |
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| 作者姓名： | 俞建康 蒋惠新 |
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| 作者单位： | 1. 浙江省统一征地事务办公室勘测中心,杭州浙江,310007
2. 江苏省地质勘查技术院,南京江苏,210008 |
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| 摘 要： | 本文以沪昆高铁浙江段前期勘测定界控制测量为例,阐述坐标系统选择的过程,通过对投影变形值的分析,选择适宜的坐标系统,并建立了该线路的GPS平面控制网,满足勘测定界测量工作的要求。
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| 关 键 词： | GPS控制网 沪昆高铁 独立坐标系 投影变形分析 |
Construction for Coordinate System of Long Route Survey and Application for GPS |
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| YU Jian-kang,JIANG Hui-xin.Construction for Coordinate System of Long Route Survey and Application for GPS[J].Modern Surveying and Mapping,2011,34(3):34-36. |
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| Authors: | YU Jian-kang JIANG Hui-xin |
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| Institution: | YU Jian-kang1,JIANG Hui-xin2(1 Unified Land Expropriation Affairs Office of Zhejiang Province Survey Center,Zhejiang Hangzhou310007,China,2 Jiangsu Geology and Minerals Prospecting Technical Institute,Nanjing Jiangsu 210008,China) |
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| Abstract: | Take the boundary determination measurement of Zhejiang high-speed railway section of Shanghai-Kunming line as an example,this paper states the process on how to choose the coordinate system.Through the analysis on the values of projective deformation,an appropriate coordinate system is selected and a GPS plane control net is then established.The results show that the accuracy of this coordinate system could satisfy the survey requirement. |
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| Keywords: | GPS control network Shanghai-Kunming high-speed railway independent coordinate system projection distortion analysis |
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