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Second harmonics of auroral kilometric radiation observed by the Akebono satellite
https://doi.org/10.15094/00006369
https://doi.org/10.15094/000063695221e28e-5ace-4fea-8cc7-a56fd88c6ad5
名前 / ファイル | ライセンス | アクション |
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KJ00000048008 (2.7 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2003-09-01 | |||||
タイトル | ||||||
タイトル | Second harmonics of auroral kilometric radiation observed by the Akebono satellite | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00006369 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Hosotani,Akira
× Hosotani,Akira× Ono,Takayuki× Iizima,Masahide× Kumamoto,Atsushi |
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著者所属(英) | ||||||
en | ||||||
Department of Geophysics, Graduate School of Science, Tohoku University/Department of Geophysics, Graduate School of Science, Tohoku University/Department of Geophysics, Graduate School of Science, Tohoku University/Department of Geophysics, Graduate School of Science, Tohoku University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The second harmonic wave properties of auroral kilometric radiation(AKR) were examined using data obtained by the Akebono satellite. The results of our statistical analysis indicate that the probability of a harmonic event occurrence is more than 60% of all AKR events. The relationship between the frequencies of the fundamentals and the second harmonics is exactly two times for the upper and lower cut-off frequencies of the spectra as well as the fine structures, within the resolution of the Akebono observations. The intensity ratio of the second harmonics to the fundamentals exhibits a two-fold nature, with both a linear and a quadratic relationship. Further data analyses also revealed that the second harmonic waves of AKR, which propagate in the X-mode, are generated from a source that is identical to that of the fundamental waves that propagate in the O-mode. These results suggest that the mechanism of AKR harmonic structure generation should allow the coexistence of different AKR emission processes. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11397422 | |||||
書誌情報 |
Advances in polar upper atmosphere research 巻 17, p. 146-154, 発行日 2003-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |