| 用GPS水准法测定单点垂线偏差 |
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| 引用本文： | 徐益群,陈日高,暴景阳,尤宝平,齐珺.用GPS水准法测定单点垂线偏差[J].海洋测绘,2004,24(6):9-12. |
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| 作者姓名： | 徐益群 陈日高 暴景阳 尤宝平 齐珺 |
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| 作者单位： | 1. 92493部队,辽宁,葫芦岛,125000
2. 海军大连舰艇学院,海洋测绘系,辽宁,大连,116018 |
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| 摘 要： | 介绍了利用GPS和水准高差观测数据计算单点垂线偏差的理论与方法，系统地分析了测定垂线偏差的误差源，研究了观测方案与成果质量的关系，提出了保证垂线偏差测定精度的观测设计准则。通过与天文大地方法观测结果的实例比较，验证了该方法的有效性。
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| 关 键 词： | 大地测量 全球定位系统 垂线偏差 水准 |
| 文章编号： | 1671-3044(2004)06-0009-04 |
| 修稿时间： | 2004年9月3日 |
The Determination of Vertical Deflections Based on GPS Leveling Observations at Discrete Points |
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| XU Yi-qun,CHEN Ri-gao,BAO Jing-yang,YOU Bao-ping,QI Jun.The Determination of Vertical Deflections Based on GPS Leveling Observations at Discrete Points[J].Hydrographic Surveying and Charting,2004,24(6):9-12. |
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| Authors: | XU Yi-qun CHEN Ri-gao BAO Jing-yang YOU Bao-ping QI Jun |
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| Institution: | XU Yi-qun~1,CHEN Ri-gao~1,BAO Jing-yang~2,YOU Bao-ping~2,QI Jun~2 |
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| Abstract: | The theory and approaches for computing the vertical defveitions of discrete points based on GPS and leveling are introduced.The error sources in the measurements are thoroughly analyzed.The relationship between the observation schemes and the calculated results qualities is studied.An observation design criterion which ensures the observation precision of the vertical deflection is presented.The determined vertical deflections are verified through the comparison with those obtained from astronomical geodetic observations. |
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| Keywords: | geodetic surveying GPS vertical deflection leveling |
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