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Step frequency radar experiments on the Antarctic sea ice
https://doi.org/10.15094/00003573
https://doi.org/10.15094/00003573eb7f578e-c65e-43ea-8e4c-a6674cf399d6
名前 / ファイル | ライセンス | アクション |
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KJ00000035539 (772.5 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1989-08-01 | |||||
タイトル | ||||||
タイトル | Step frequency radar experiments on the Antarctic sea ice | |||||
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 | 10.15094/00003573 | |||||
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) |
Uratsuka, Seiho
× Uratsuka, Seiho× Nishio, Fumihiko× Okamoto, Ken'ichi× Mineno, Hitoshi× Mae, Shinji |
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著者所属(英) | ||||||
en | ||||||
Communications Research Laboratory, Ministry of Posts and Telecommunications | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Communications Research Laboratory, Ministry of Posts and Telecommunications | ||||||
著者所属(英) | ||||||
en | ||||||
Kimitsu Satellite Control Center, Telecommunication Satellite Corporation of Japan | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Applied Physics,Faculty of Engineering, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Step frequency radar experiments have been carried out on sea ice near Syowa Station as part of the 27th Japanese Antarctic Research Expedition to develop an airborne sensor for measuring vertical sea ice structures. Step frequency radar has characteristics of high resolution and low frequency (UHF band), which is an advantage in measuring sea ice. The experiments are the first application of this radar for measuring sea ice thickness. The radar transmits 32 different frequencies in a stepwise fashion between 300 and 796 MHz and measures the amplitude and phase of reflected waves at each frequency. The discrete Fourier transform of the 32 complex values of signals indicates the distance of vertical sea ice structures. The range resolution is about 15cm in sea ice. The experimental results showed that the radar system could successfully measure vertical sea ice structures : (1) The distance between the surface and the snow/ice interface or between the surface and the sea ice bottom deduced by this method coincided with direct measurements in sample holes. (2) Snow depth was measured very clearly by the radar system. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 2, p. 127-132, 発行日 1989-08 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |