{"created":"2023-06-20T15:03:29.235331+00:00","id":32700,"links":{},"metadata":{"_buckets":{"deposit":"71971c84-48bd-4def-a99d-5f7f5a95d81c"},"_deposit":{"created_by":1,"id":"32700","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"32700"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00032700","sets":["1887:1890","1896:1898:1899:1911"]},"author_link":["410984","410980","410983","410979","410982","410981"],"item_9_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"On the velocity measurement in the ISAS railgum experiments"}]},"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1987-12","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"38","bibliographicPageStart":"29","bibliographicVolumeNumber":"51","bibliographic_titles":[{"bibliographic_title":"宇宙科学研究所報告"}]}]},"item_9_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"The railgun system was set up in the Institute of Space and Astronautical Science (ISAS) and about a hundred shots were carried out preliminarily in 1986. The following four methods of projectile velocity measurement were tried in the experiments. (1) laser fence, (2) magnetoflyer, (3) wire cut, (4) thin plate The third method appeared to be the simplest and most reliable one, while the laser fence was affected severely by the dust and plasma which were blown off with the projectile. The second and fourth ones suffered the electromagnetic noise. The wire cut would be the best way just to measure the velocity itself, but it affects the projectile attitude and its front surface. For the railgun application, the improvement of the laser fence method or ones with X-ray, which have no effect on the projectile, would be neccesary.","subitem_description_type":"Other"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0166213000","subitem_description_type":"Other"}]},"item_9_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙科学研究所"}]},"item_9_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0285-2853","subitem_source_identifier_type":"ISSN"}]},"item_9_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00354474","subitem_source_identifier_type":"NCID"}]},"item_9_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"相模工業大学"},{"subitem_text_value":"宇宙科学研究所"},{"subitem_text_value":"相模工業大学"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"原, 常典"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"柳澤, 正久"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河野, 汀"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Hara, Tunenori","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yanagisawa, Masahisa","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kono, Migiwa","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-24"}],"displaytype":"detail","filename":"SA0166213.pdf","filesize":[{"value":"554.6 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"SA0166213.pdf","url":"https://jaxa.repo.nii.ac.jp/record/32700/files/SA0166213.pdf"},"version_id":"33ca680f-c5f1-4184-8cf8-cd0d28dd6c4b"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"宇宙科学研究所・レールガンにおける飛翔体速度計測について","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"宇宙科学研究所・レールガンにおける飛翔体速度計測について"}]},"item_type_id":"9","owner":"1","path":["1890","1911"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"32700","relation_version_is_last":true,"title":["宇宙科学研究所・レールガンにおける飛翔体速度計測について"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T00:26:12.323002+00:00"}