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Initial observation results with imaging riometer at Ny-Alesund (L=16)
https://doi.org/10.15094/00004138
https://doi.org/10.15094/0000413824a77ee8-5574-4606-9483-42ffd498b736
名前 / ファイル | ライセンス | アクション |
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KJ00000036069 (1.9 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1993-02-01 | |||||
タイトル | ||||||
タイトル | Initial observation results with imaging riometer at Ny-Alesund (L=16) | |||||
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 | 10.15094/00004138 | |||||
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) |
Nishino, Masanori
× Nishino, Masanori× Tanaka, Yoshihito× Oguti, Takasi× Yamagishi, Hisao× Holtet, Jan A. |
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著者所属(英) | ||||||
en | ||||||
Solar-Terrestrial Environment Laboratory, Nagoya University/Solar-Terrestrial Environment Laboratory, Nagoya University/Solar-Terrestrial Environment Laboratory, Nagoya University/National Institute of Polar Research/Department of Physics, University of Oslo | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | An imaging riometer was installed at Ny-Alesund (invariant latitude, 75.6°) for observations of spatial structure and motion of auroral absorption regions. The antenna consists of a two-dimensional dipole array with 64 elements, and a phasing matrix produces 64 pencil beams viewing an ionospheric area of about 200km square at 90km altitude. The instrument provides us with a two-dimensional image of enhanced absorption at 30MHz with spatial resolution of 20km and time resolution of 1s by using an 8-channel radio receiver. With the aid of a personal computer we can monitor the absorption images in real time by using a quiet day curve produced from daily variations of cosmic radio noise intensity during initial ten days. Three examples of the absorption images are presented for the events occurred in day, evening and night time. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756224 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Upper Atmosphere Physics 巻 6, p. 47-61, 発行日 1993-02 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |