| 重力计算中的潮汐改正分析 |
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| 引用本文： | 李建国,张宏伟,王应建,肖凡,纪立东.重力计算中的潮汐改正分析[J].北京测绘,2012(5):1-5. |
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| 作者姓名： | 李建国 张宏伟 王应建 肖凡 纪立东 |
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| 作者单位： | 61365部队,天津,300140;61365部队,天津,300140;61365部队,天津,300140;61365部队,天津,300140;61365部队,天津,300140 |
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| 摘 要： | 详细介绍了重力固体潮汐改正的来源和计算公式,针对潮汐因子的取值进行了分析讨论,同时就海洋负荷潮汐模型对重力潮汐的影响展开阐述并给出简算公式,最后得出,不同等级的重力测量计算采用相应的计算公式,其计算精度为±2×10-8 ms-2。
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| 关 键 词： | 重力测量 重力固体潮汐改正 潮汐因子 海洋负荷潮 等值线图 |
The Adjustment of the Earth Tide in Gravimetry Caculation |
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| LI Jian-guo,ZHANG Hong-wei,WANG Ying-jian,XIAO Fan,JI Li-dong.The Adjustment of the Earth Tide in Gravimetry Caculation[J].Beijing Surveying and Mapping,2012(5):1-5. |
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| Authors: | LI Jian-guo ZHANG Hong-wei WANG Ying-jian XIAO Fan JI Li-dong |
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| Institution: | 61365部队,天津,300140 |
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| Abstract: | This paper introduces the origin of the gravity solid tide correction and the formula for the correction in details.we analyze and discusse the evaluation of the tide factor.The ocean loading tide influence on the gravity tide is also discussed and the deduced formula is given.At last it draws the conclusion that different levels of gravity measurement and calculation showld adopt corresponding formula,the calculation precision is±2×10-8ms-2. |
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| Keywords: | gravity solid tide corrections tide factor ocean loading tide isograms |
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