| 建立省域C级GPS控制网与大地水准面精化 |
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| 引用本文： | 王荣宝.建立省域C级GPS控制网与大地水准面精化[J].地质与资源,2005,14(2):146-148. |
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| 作者姓名： | 王荣宝 |
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| 作者单位： | 辽宁省第一测绘院,辽宁,锦州,121003 |
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| 摘 要： | 地质、矿产、交通、国土、测绘等众多行业都与空间数据密切相关.空间数据基准框架决定了空间数据的准确性、统一性和实用性.本文从国内外发展现状出发,简述了我国目前大地坐标框架存在的问题,论述了建立省域C级GPS网并精化似大地水准面的作用和意义,并提出了建立省域C级GPS网并精化似大地水准面的技术方案和相关问题.
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| 关 键 词： | C级GPS网 似大地水准面 精化 |
| 文章编号： | 1671-1947（2005）02-0146-03 |
| 收稿时间： | 2004-08-31 |
| 修稿时间： | 2004年8月31日 |
THE ESTABLISHMENT OF PROVINCIAL GPS NETWORK OF GRADE C AND THE GEOID PRECISION |
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| WANG Rong-bao.THE ESTABLISHMENT OF PROVINCIAL GPS NETWORK OF GRADE C AND THE GEOID PRECISION[J].Geology and Resources,2005,14(2):146-148. |
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| Authors: | WANG Rong-bao |
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| Institution: | The First Surveying and Mapping Institute of Liaoning Province, Jinzhou 1210 03, China |
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| Abstract: | Spatial data are involved in broad fields such as geology, mining, transportation, land, surveying and mapping.The base frame of spatial data controls the accuracy, unity and practicability of the data. Based on the actual situation of both China and the world, the problems existed in the current national reference frame are reviewed. The role and significance of building up the provincial GPS-C network and precise geoid are discussed. The technological plan and related matters are also suggested. |
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| Keywords: | GPS-C Network quasi-geoid precision |
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