| 济宁矿区坐标转换精度影响因素的分析 |
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| 引用本文： | 尹慧芳,党亚民,郑作亚.济宁矿区坐标转换精度影响因素的分析[J].北京测绘,2011(3):4-7. |
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| 作者姓名： | 尹慧芳 党亚民 郑作亚 |
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| 作者单位： | 中国测绘科学研究院大地测量与地球动力学研究所,北京,100830 |
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| 摘 要： | GPS应用中经常涉及到坐标转换问题。利用局部区域GPS控制网数据求解坐标转换模型的转换参数时,精度受很多因素的影响。本文介绍了七参数基本模型,并基于济宁矿区的北京54和WGS-84坐标数据讨论了坐标转换模型的不同求解方法以及公共点选取对坐标转换精度的影响。
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| 关 键 词： | 坐标转换 线性化 G-N迭代 公共点选取 |
Coordinate Transformation Accuracy Factors Analysis of Jining Mine |
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| YIN Hui-fang, DANG Ya-min, ZHENG Zuo-ya,.Coordinate Transformation Accuracy Factors Analysis of Jining Mine[J].Beijing Surveying and Mapping,2011(3):4-7. |
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| Authors: | YIN Hui-fang DANG Ya-min ZHENG Zuo-ya |
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| Institution: | YIN Hui-fang1,2 DANG Ya-min1,2 ZHENG Zuo-ya1,2,3 (1.Institute of Geodesy and Geodynamics,Chinese Academy of Surveying and Mapping,Beijing 100830,China,2.Geomatics College,Shandong University of Science and Technology,Qingdao Shandong 266510,3.Key Laboratory of Surveying and Mapping Technology on Island and Reef of SBSM,Qingdao Shandong,266510 China) |
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| Abstract: | Coordinate transformation are often involved in GPS applications.Using GPS control network data in local area to solve the coordinate transformation parameters,the accuracy is affected by many factors.Combing Beijing 54 and WGS-84 coordinate of Jining mine,the basic seven-parameter model is introduced in this paper,and the effect of coordinate transformation model and common points selection on transformation accuracy is also discussed. |
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| Keywords: | coordinate transformation linearization G-N iteration common points selection |
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