| 用曲面插值方法建立海洋局部地磁场模型 |
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| 引用本文： | 刘辉,赵建虎,李娟.用曲面插值方法建立海洋局部地磁场模型[J].海洋测绘,2009,29(3):28-30. |
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| 作者姓名： | 刘辉 赵建虎 李娟 |
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| 作者单位： | 武汉大学,测绘学院,湖北,武汉,430072 |
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| 摘 要： | 地磁场模型是地磁场的数学表达式，国内外已有多种建立地磁场模型的方法，对于局部地磁场模型来说，应用比较多的是多项式方法和曲面样条函数方法。讨论了基于曲面样条函数建立局部地磁场模型的原理和方法，并在实测数据基础上对模型的精度进行了验证。
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| 关 键 词： | 地磁场 曲面插值 样条函数 局部地磁场模型 |
Establishment of Oceanic Local Geomagnetic Field Model Using Surface Interpolating |
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| LIU Hui,ZHAO Jian-hu,LI Juan.Establishment of Oceanic Local Geomagnetic Field Model Using Surface Interpolating[J].Hydrographic Surveying and Charting,2009,29(3):28-30. |
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| Authors: | LIU Hui ZHAO Jian-hu LI Juan |
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| Institution: | (School of Survey Science and Technology ,Wuhan University, Wuhan ,Hubei,430072) |
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| Abstract: | The geomagnetic filed model is mathematic expression of geomagnetic field. There are many methods to establish the geomagnetic field model. The multinomial and surface spline function are appropriate to local geomagnetic field. The principle and establishing method of surface spline function is discussed in the paper and the model＇ s precision is proved. |
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| Keywords: | geomagnetic field surface interpolating spline function local geomagnetic field |
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