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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 空電研究所報告
  4. 7(1-2)

昼間及び夜間の空電波形の分類と解釈

http://hdl.handle.net/2237/21737
http://hdl.handle.net/2237/21737
187556d7-6b16-436e-b869-f01d5c662a39
名前 / ファイル ライセンス アクション
bulria_7_1-2_1.pdf bulria_7_1-2_1.pdf (2.6 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-04-27
タイトル
タイトル 昼間及び夜間の空電波形の分類と解釈
言語 ja
その他のタイトル
その他のタイトル CLASSIFICATION AND INTERPRETATION OF THE WAVEFORM OF ATMOSPHERICS IN THE DAYTIME AND AT NIGHT
言語 en
著者 金原, 淳

× 金原, 淳

WEKO 57516

ja 金原, 淳

Search repository
KIMPARA, Atsushi

× KIMPARA, Atsushi

WEKO 57517

en KIMPARA, Atsushi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 The author made observation of the waveform of atmospherics from 1940 to 1944 for the first time, and defined leader stroke type, return streamer type, multiple stroke type, discharge among clouds type and reflection echo type, and made some remarks on them. Since that time he published several papers on the wave-form fragmentally. This paper is the summary of the study on the waveform from 1940 to 1956, especially from 1955 to 1956. The waveform is classified into two groups, i.e. the one in the daytime and the other at night. The waveform in the daytime consists of (1) stepped leader stroke type, partial discharge within cloud type, successive discharges among clouds type, (2) return streamer type, (3) multiple stroke type, and (4) slow tail type. That in the night time consists of (5) stepped leader stroke type, partial discharge within cloud type, successive discharges among clouds type, (6) return streamer type, (7) slow tail type, (8) long train type and (9) reflection echo type. (1) are recorded from distances less than 3,000 km along oversea paths and 2,000 km along overland paths, and their frequency range is 10-30 kc/s. As to leader stroke, α and β types are generally discriminated. (2) is found from distances 1,000 - 5,000 km or more and it is generally very smooth damped wave whose frequency range is 6-17 kc/s. (3) is found from distances within 3,000 km and many similar waveforms are recorded successively mixed often with other types. Disturbed by the interference of the space waves, (3) is not found at night. (4) is found a few in the daytime. (5) are recorded from distances 1,000-5,000 km or more, and their frequency range is 10-30 kc/s, while those for long distances (more than 3,000 km) 10-15kc/s. (6) consists of two kinds. Waveform within 3,000 km is not so smooth as that in the daytime and it is often taken for echo-type through mistake; while the one from the distances 3,000-5,000 km or more is also as smooth as that in the daytime. (7) is mainly found at night in the distances 1,000-5,000 km or more, and is preceded by the (5), (6) or echo type waveforms. Their frequency is very low, less than 1,000 c/s. (8) is found sometimes in the daytime, but it is generally recorded at night from the distances less than 3,000 km. Height deduced from the waveform is 80-90 km and the distance obtained is nearly coincident with that found by direction finding. Therefore in the favourable condition of ionosphere one can find the distance of source (within 3,000 km) and the height of reflection layer through observation at one station. (9) is discussed in detail in Pierce's article and so they are omitted in this paper.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 名古屋大学空電研究所
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0465-7756
書誌情報 ja : 空電研究所報告

巻 7, 号 1-2, p. 1-13, 発行日 1957-05-25
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/21737
識別子タイプ HDL
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