| 国际地磁参考场的计算 |
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| 引用本文： | 毛玉仙.国际地磁参考场的计算[J].铀矿地质,1992,8(1):48-52. |
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| 作者姓名： | 毛玉仙 |
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| 作者单位： | 核工业北京地质研究院 |
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| 摘 要： |
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| 关 键 词： | 地磁场 国际参考场 正常场 计算 |
THE CALCULATION OF THE INTERNATIONAL GEOMAGNETIC REFERENCE FIELD |
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| Mao Yuxian Beijing Research Institute of Uranium Geology.THE CALCULATION OF THE INTERNATIONAL GEOMAGNETIC REFERENCE FIELD[J].Uranium Geology,1992,8(1):48-52. |
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| Authors: | Mao Yuxian Beijing Research Institute of Uranium Geology |
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| Institution: | Mao Yuxian Beijing Research Institute of Uranium Geology |
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| Abstract: | The International Geomagnetic Reference Field (IGRF) is defined as a mathematicalmodel (spherical harmonic model) of the normal geomagnetic field and its secularvariation. In order to use the Gaus Series expression, the recurrence formulas of Schmidt-Legendre Fuction has been deduced. The program for the calculation of the total intensityand three components and the other geomagnetic elements of the normal geomagneticfield in various coordrinate systems has been coded, so as to perform the normal geomag-netic field modification from aeromagnetic data. |
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| Keywords: | International Geomagnetic Reference Field Spherical harmonic coefficients Gaus series expressions Coordinates transformation Schmidt-Legendre Function |
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