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首页> 外文期刊>Data science journal >Studies of Geomagnetic Pulsations Using Magnetometer Data from the CHAMP Low-Earth-Orbit Satellite and Ground-Based Stations: a Review
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Studies of Geomagnetic Pulsations Using Magnetometer Data from the CHAMP Low-Earth-Orbit Satellite and Ground-Based Stations: a Review

机译：利用来自CHAMP低地球轨道卫星和地面站的磁力计数据研究地磁脉动：综述

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References(23) We review research on geomagnetic pulsations carried out using magnetic field measurements from the CHAMP low-Earth-orbit (LEO) satellite and ground-based stations in South Africa and Hungary. The high quality magnetic field measurements from CHAMP made it possible to extract and clearly resolve Pi2 and Pc3 pulsations in LEO satellite data. Our analyses for nighttime Pi2 pulsations are indicative of a cavity mode resonance. However, observations of daytime Pi2 pulsation events identified in ground station data show no convincing evidence of their occurrence in CHAMP data. We also studied low-latitude Pc3 pulsations and found that different types of field line resonant structure occur, namely discrete frequencies driven by a narrow band source and L-dependent frequencies driven by a broad band source.
机译：参考文献（23）我们回顾了使用CHAMP低地球轨道（LEO）卫星以及南非和匈牙利的地面站的磁场测量进行的地磁脉动研究。 CHAMP进行的高质量磁场测量使提取和清晰解析LEO卫星数据中的Pi2和Pc3脉动成为可能。我们对夜间Pi2脉动的分析表明腔模共振。但是，对地面站数据中确定的白天Pi2脉动事件的观察表明，尚无令人信服的证据表明其在CHAMP数据中的发生。我们还研究了低纬度Pc3脉动，发现发生了不同类型的场线谐振结构，即由窄带源驱动的离散频率和由宽带源驱动的L相关频率。

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