CO2 — A Champ Magnetic Field Model

CO2 — A Champ Magnetic Field Model
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DOI:
10.1007/978-3-540-38366-6_32
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发表时间:
2003
期刊:
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影响因子:
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通讯作者:
R. Holme;N. Olsen;M. Rother;H. Lühr
R. Holme;N. Olsen;M. Rother;H. Lühr
中科院分区:
其他
文献类型:
--
作者:
R. Holme;N. Olsen;M. Rother;H. Lühr

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我们在这里描述一个模型的磁场创建专门使用的数据从冠军卫星,有效的冠军使命的初始阶段(2000年7月至2001年12月)。该模式包含初始场、线性长期变化和外场贡献。虽然Champ数据为建模提供了最重要的输入,但我们也使用了来自其他卫星(Crysted和Crysted-2/SAC-C)和地面观测站的数据,以提高模型的鲁棒性。该模型将在未来得到改进(特别是当我们更好地理解外部磁场和感应磁场的局部时间依赖性时),但目前是推荐用于Champ数据应用的标准模型。
We describe here a model of the magnetic field created specifically to be used with data from the Champ satellite, valid for the initial period of the Champ mission (July 2000 — December 2001). The model contains initial field, linear secular variation and external field contributions. Although Champ data provide the most important input to the modelling, we also use data from other satellites (Ørsted and Ørsted-2/SAC-C) and ground-based observatories, to increase the robustness of the model. The model will be improved upon in the future (in particular as we better understand the local time dependencies of the external and induced magnetic fields) but for now is the recommended standard model for use with applications of Champ data.