Item type |
紀要論文(ELS) / Departmental Bulletin Paper(1) |
公開日 |
1994-11-01 |
タイトル |
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タイトル |
PRECISE MEASUREMENTS OF DIELECTRIC ANISOTROPY IN ICE Ih AT 35GHz USING AN OPEN MICROWAVE RESONATOR |
言語 |
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言語 |
eng |
資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
departmental bulletin paper |
ID登録 |
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ID登録 |
10.15094/00003858 |
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ID登録タイプ |
JaLC |
ページ属性 |
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内容記述タイプ |
Other |
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内容記述 |
P(論文) |
記事種別(英) |
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en |
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ABSTRACT |
論文名よみ |
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その他のタイトル |
PRECISE MEASUREMENTS OF DIELECTRIC ANISOTROPY IN ICE Ih AT 35GHz USING AN OPEN MICROWAVE RESONATOR |
著者名よみ |
モリシマ, シゲノリ
フジタ, シュウジ
マツオカ, タケシ
マエ, シンジ
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著者名(英) |
MORISHIMA, Shigenori
FUJITA, Shuji
MATSUOKA, Takeshi
MAE, Shinji
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著者所属(英) |
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en |
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Department of Applied Physics, Faculty of Engineering, Hokkaido University |
著者所属(英) |
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en |
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Department of Applied Physics, Faculty of Engineering, Hokkaido University |
著者所属(英) |
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en |
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Department of Applied Physics, Faculty of Engineering, Hokkaido University |
著者所属(英) |
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en |
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Department of Applied Physics, Faculty of Engineering, Hokkaido University |
抄録(英) |
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内容記述タイプ |
Other |
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内容記述 |
Precise measurement of the dielectric anisotropy in ice Ih at 35GHz was carried out using an open microwave resonator (Fabry-Perot resonator). The purpose of the measurement was to obtain physical parameters necessary for analysis of the polarization state of the electromagnetic waves that propagate through ice masses. The open resonator method was used, because it is suitable for detecting the precise value of dielectric anisotropy, since we can detect both components, permittivity parallel to the c-axis (ε'_<//c>) and permittivity perpendicular to the c-axis (ε'_<⊥c>), at once from a single ice crystal without moving. The result of the measurement at -20℃ was as follows : ε_<//c> is 3.2016±0.0003 and ε'_<⊥c> is 3.1681±0.0003. Thus the dielectric anisotropy (Δε'=ε'_<//c>-ε'_<⊥c>) becomes 0.0335±0.0004. |
雑誌書誌ID |
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収録物識別子タイプ |
NCID |
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収録物識別子 |
AA10756213 |
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology
巻 8,
p. 201,
発行日 1994-11
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出版者 |
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出版者 |
National Institute of Polar Research |