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| 2000国家大地坐标系转换的技术方法 | |
| 引用本文： | 石 昕. 2000国家大地坐标系转换的技术方法[J]. 水运工程, 2017, 0(1): 47-50 |
| 作者姓名： | 石 昕 |
| 作者单位： | 长江航道局，湖北 武汉 430010 |
| 摘 要： | 研究长江航道现行测绘成果向2000国家大地坐标系转换的模型,提出基于采用二维多项式逼近模型的转换技术路线。经检验,模型平均精度优于0.15 m,可满足小于1∶2 000比例尺航道图转换精度要求,为长江航道图转换到2000系奠定了技术基础。 |
| 关 键 词： | 2000国家大地坐标系；长江航道；测绘成果； 坐标系转换 |
Technical method of 2000 national geodetic coordinate system transformation |
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| SHI Xin. Technical method of 2000 national geodetic coordinate system transformation[J]. Port & Waterway Engineering, 2017, 0(1): 47-50 | |
| Authors: | SHI Xin |
| Affiliation: | Changjiang Waterway Bureau,Wuhan 430010,China |
| Abstract: | This paper studies the transformation model from the Changjiang waterway current surveying and mapping results to the 2000 national geodetic coordinate system.Based on the 2-D polynomial approximation model,transformation technology route is put forward.Upon examination,average model accuracy is better than 0.15 m,which meets less than 1:2 000 scale channel chart transformation precision.The method lays the technical foundation of Changjiang waterway converted to CGCS2000. |
| Keywords: | CGCS2000 Changjiang waterway surveying and mapping results coordinate transformation |
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