| 2000国家大地坐标系转换的技术方法 |
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| 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(1):47-50. |
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| 作者姓名： | 石 昕 |
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| 作者单位： | 长江航道局，湖北 武汉 430010 |
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| 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。
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| 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(1):47-50. |
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| Authors: | SHI Xin |
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| Institution: | Changjiang Waterway Bureau,Wuhan 430010,China |
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| 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. |
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| Keywords: | CGCS2000 Changjiang waterway surveying and mapping results coordinate transformation |
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