| 如何减少GPS测量垂线偏差对进洞观测方向的影响 |
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| 引用本文： | 侯文广,王庆玉.如何减少GPS测量垂线偏差对进洞观测方向的影响[J].山西水利科技,1999(2):88-90. |
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| 作者姓名： | 侯文广 王庆玉 |
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| 作者单位： | 水利部天津勘测设计研究院 |
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| 摘 要： | 本文用理论及数据说明近洞的ＧＰＳ点与进洞点，近距而高差大时，进洞点投点的垂线偏差，将影响隧洞横向正确贯通。
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| 关 键 词： | GPS近洞点 垂线偏差 进洞点高程差 |
How to Reduce Effect of Plumb-line Deviation by GPS Survey On the Observed Direction of Tunnel Entry |
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| Hou Wenguang,Wang Qingyu,Cai Yiting.How to Reduce Effect of Plumb-line Deviation by GPS Survey On the Observed Direction of Tunnel Entry[J].Shanxi Hydrotechnics,1999(2):88-90. |
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| Authors: | Hou Wenguang Wang Qingyu Cai Yiting |
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| Institution: | Hou Wenguang Wang Qingyu Cai Yiting |
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| Abstract: | |
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| Keywords: | Plumb-line Deviation Observed Direction of Tunnel Entry |
| 本文献已被 CNKI 维普 等数据库收录！ |
