| 海岸测量中GPS水准精度控制的探讨 |
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| 引用本文： | 赵俊生,郭忠磊,曾先楚,董赫.海岸测量中GPS水准精度控制的探讨[J].海洋测绘,2011,31(3):1-3. |
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| 作者姓名： | 赵俊生 郭忠磊 曾先楚 董赫 |
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| 作者单位： | 海军大连舰艇学院,海洋测绘科学与工程系,辽宁,大连,116018;海军大连舰艇学院,海洋测绘工程实验室,辽宁,大连,116018 |
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| 摘 要： | 简要介绍了高程系统的概念,分析了GPS水准拟合的基本数学模型,探讨了已知水准点极少时GPS水准拟合的精度控制问题,得出的一些结论可供海道测量工作者在海岸高程控制测量中参考.
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| 关 键 词： | 大地测量 水准测量 GPS测量 高程系统 测量精度 |
On Precision Control of GPS Levelling in Coastal Surveying |
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| ZHAO Jun-sheng,GUO Zhong-lei,ZENG Xian-chu,DONG He.On Precision Control of GPS Levelling in Coastal Surveying[J].Hydrographic Surveying and Charting,2011,31(3):1-3. |
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| Authors: | ZHAO Jun-sheng GUO Zhong-lei ZENG Xian-chu DONG He |
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| Institution: | 1.Department of Hydrography and Cartography,Dalian Naval Academy,Dalian,Liaoning,116018;2.Key Laboratory of Hydrographic and Cartographic Engineering,Dalian,Liaoning,116018) |
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| Abstract: | The conception about height systems is introduced briefly.The basic math model about GPS levelling is analyzed.When the number of known points is small the precision control of GPS levelling is discussed.At last several viewpoints which may be consulted by hydrographic surveyor in coastal surveying are presented. |
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| Keywords: | geodetic surveying levelling GPS（global positioning system）surveying height system surveying precision |
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