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Part I. Measurements of the field intensity of HF radio waves on board the ship for the 2nd(1958)-8th(1966) Japanese Antarctic Research Expedition", "subitem_title_language": "en"}]}, "item_type_id": "1", "owner": "4", "path": ["945"], "permalink_uri": "https://doi.org/10.15094/00007597", "pubdate": {"attribute_name": "公開日", "attribute_value": "1971-01-01"}, "publish_date": "1971-01-01", "publish_status": "0", "recid": "7597", "relation": {}, "relation_version_is_last": true, "title": ["夜間の電離層吸収 I.第2-8次南極観測船上短波電界強度測定"], "weko_shared_id": 4}
夜間の電離層吸収 I.第2-8次南極観測船上短波電界強度測定
https://doi.org/10.15094/00007597
https://doi.org/10.15094/000075973016f39b-c6b8-4070-a133-c70d6c5160a5
名前 / ファイル | ライセンス | アクション |
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KJ00002476597 (8.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1971-01-01 | |||||
タイトル | ||||||
タイトル | 夜間の電離層吸収 I.第2-8次南極観測船上短波電界強度測定 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | HF radio wave absorption in the nighttime. Part I. Measurements of the field intensity of HF radio waves on board the ship for the 2nd(1958)-8th(1966) Japanese Antarctic Research Expedition | |||||
言語 | ||||||
言語 | jpn | |||||
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 | 10.15094/00007597 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | ヤカン ノ デンリソウ キュウシュウ 1 ダイ2 8ジ ナンキョク カンソクセン ジョウ タンパ デンカイ キョウド ソクテイ | |||||
著者名(日) |
若井, 登
× 若井, 登× 大瀬, 正美× 田之畑, 一男 |
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著者名(英) |
WAKAI, Noboru
× WAKAI, Noboru× OSE, Masami× TANOHATA, Kazuo |
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著者所属(日) | ||||||
電波研究所平磯支所 | ||||||
著者所属(日) | ||||||
電波研究所電波部 | ||||||
著者所属(日) | ||||||
電波研究所山川電波観測所 | ||||||
著者所属(英) | ||||||
en | ||||||
Hiraiso Branch, Radio Research Laboratories | ||||||
著者所属(英) | ||||||
en | ||||||
Radio Research Laboratories | ||||||
著者所属(英) | ||||||
en | ||||||
Yamagawa Radio Wave Observatory, Radio Research Laboratories | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Observations of the nighttime ionospheric absorption have been carried out since 1958 on board the ship for the Japanese antarctic research. Field intensities of the HF standard frequency signals at different frequencies were measured during hours around midnight. In this paper, techniques of the measurement for extracting a relatively small quantity of the nighttime absorption are described. Existence of the absorption is confirmed from the fact that the rate of decrease of field intensities against the ground range at a lower frequency is much larger than that at a higher frequency. Moreover, the dependence of absorption upon the solar activity is found out from the measurement over nine years in the declining epoch of the last solar cycle. A provisional expression for estimating the nighttime absorption is proposed. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00181831 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00857289 | |||||
書誌情報 |
南極資料 巻 39, p. 1-18, 発行日 1971-01 |
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国際十進分類法 | ||||||
主題Scheme | UDC | |||||
主題 | 551.510.535/.537 | |||||
出版者 | ||||||
出版者 | 国立極地研究所 |