{"created":"2021-03-01T06:52:34.914958+00:00","id":33761,"links":{},"metadata":{"_buckets":{"deposit":"a8df3e78-a296-4830-ada5-43c2d897c187"},"_deposit":{"id":"33761","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"33761"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00033761","sets":["80:4535:4977:4978","9:504:4538:4979:4980"]},"author_link":["131794","131793"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"周期頻度解析器"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1963-03-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"871","bibliographicPageStart":"864","bibliographicVolumeNumber":"40","bibliographic_titles":[{"bibliographic_title":"東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]},"item_4_description_13":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"地震動や常時微動のような,不規則な振動波形にたいする周期解析の一方法として,振動周期の頻度分布をしらべる方法が古くから使われている.われわれもまた,この方法を常時微動の解析に応用しているが,多数の測定記録を処理する場合には,周期の読取り,分類などにかなりの労力を必要とする.周期頻度解析器は,これらの記録処理を自動化する目的で作られたものである.この解析器では,0.05secから2.50secまでの周期範囲の波を,その周期間隔が等比級数をなす20の群に分類し,一定時間内にそれぞれの群に分類,登算される波数を計数する.周期の測定には,時間の長さを量子化パルスの数におきかえて計測するdigital方式を採用し,また,周期の分類は\"\"or\"\"および\"\"and\"\"ゲート回路の組合せによつて実現されるので,働作はきわめて安定である.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"131794","nameIdentifierScheme":"WEKO"}],"names":[{"name":"田中, 貞二"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000033761","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学地震研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162258","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00408972","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"453","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"地震研究所"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tanaka, Teiji"}],"nameIdentifiers":[{"nameIdentifier":"131793","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-26"}],"displaytype":"detail","filename":"ji0404014.pdf","filesize":[{"value":"776.0 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0404014.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/33761/files/ji0404014.pdf"},"version_id":"ca5a9c74-ae13-4f1a-88f5-d7c05c127198"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"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":"Period Distribution Analyser for Irregular Motions","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Period Distribution Analyser for Irregular Motions","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["4978","4980"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"33761","relation_version_is_last":true,"title":["Period Distribution Analyser for Irregular Motions"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T04:09:09.572385+00:00"}