| 三维动态趋势面模型在地面沉降分析中的应用 |
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| 引用本文： | 李广春,戴吾蛟,曾凡河,刘斌.三维动态趋势面模型在地面沉降分析中的应用[J].大地测量与地球动力学,2016,36(6):508. |
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| 作者姓名： | 李广春 戴吾蛟 曾凡河 刘斌 |
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| 摘 要： | 在趋势面拟合模型的基础上考虑时间项，建立三维动态趋势面模型，并通过模拟数据验证模型的适用性，最后对南沙地区GPS沉降监测网数据进行分析。结果表明，三维动态趋势面模型可以反映区域沉降的整体时空变化趋势，并具有良好的时空插值效果。
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| 关 键 词： | 动态趋势面拟合 地面沉降分析 时空插值 |
Application of Three-Dimensional Dynamic Trend Surface Fitting Model on Land Subsidence |
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| LI Guangchun,DAI Wujiao,ZENG Fanhe,LIU Bin.Application of Three-Dimensional Dynamic Trend Surface Fitting Model on Land Subsidence[J].Journal of Geodesy and Geodynamics,2016,36(6):508. |
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| Authors: | LI Guangchun DAI Wujiao ZENG Fanhe LIU Bin |
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| Abstract: | This article takes time of observation into account on trend surface fitting, as a dynamic trend surface fitting model. The land subsidence data from the GPS monitoring system of Nansha is analyzed using the dynamic trend surface model. Our results indicate that the model could reflect the overall tendency of the settlement and have good spatial interpolation effects. |
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| Keywords: | dynamic trend surface fitting land subsidence analysis spatio-temporal interpolation |
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