{"created":"2023-06-20T15:03:01.474451+00:00","id":32121,"links":{},"metadata":{"_buckets":{"deposit":"a722bf11-4920-4bfa-8e1d-783ba28bfe87"},"_deposit":{"created_by":1,"id":"32121","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"32121"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00032121","sets":["1887:1890","1896:1898:1899:1910"]},"author_link":["407404","407402","407400","407401","407403","407405"],"item_9_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Computation and Drawing of Aircraft Noise Exposure Forecast Contour with the Aid of Mini-Computer"}]},"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1973-06","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2_C","bibliographicPageEnd":"625","bibliographicPageStart":"606","bibliographicVolumeNumber":"9","bibliographic_titles":[{"bibliographic_title":"東京大学宇宙航空研究所報告"}]}]},"item_9_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"空港周辺の航空機騒音は重大な環境問題となっている.ここでは,ミニコンピュータによる航空機騒音の予測コンタの計算方法について検討した.ミニコンピュータでの処理を可能にするために基礎騒音データ等の簡略化と計算手法の改善を図った.たとえばEPNL-slant distance profile を1次近次したことや,騒音コンタの凹凸部分の処理を工夫した点などである.その結果として騒音レベルを下げるためのTrade-off studyが容易になったが,その例も二,三示す.","subitem_description_type":"Abstract"}]},"item_9_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"Noise exposure in the vicinity of airports is an important environmental problem. This paper reports the computation of noise exposure forecast contours with a mini-computer. In order to reduce the memory capacity required, several simplifications for the input data such as the first order approximation of EPNL-slant distance profile are considered. A modified computing procedure for concave and convex parts of the contours is adopted. Some examples of the trade-off studies for noise reduction executed with this system are also included in this paper.","subitem_description_type":"Other"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0125238000","subitem_description_type":"Other"}]},"item_9_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学宇宙航空研究所"}]},"item_9_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0563-8100","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":"AN00161914","subitem_source_identifier_type":"NCID"}]},"item_9_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学宇宙航空研究所"},{"subitem_text_value":"東京大学宇宙航空研究所"},{"subitem_text_value":"東京大学宇宙航空研究所"}]},"item_9_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Institute of Space and Aeronautical Science"},{"subitem_text_language":"en","subitem_text_value":"Institute of Space and Aeronautical Science"},{"subitem_text_language":"en","subitem_text_value":"Institute of Space and Aeronautical Science"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"五十嵐, 寿一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"石井, 泰"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山田, 一郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"IGAKASHI, Juichi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"ISHII, Yasushi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"YAMADA, Ichiro","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":"SA0125238.pdf","filesize":[{"value":"942.8 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"SA0125238.pdf","url":"https://jaxa.repo.nii.ac.jp/record/32121/files/SA0125238.pdf"},"version_id":"6f97073a-4aa3-46e0-8427-0a6e9afe1380"}]},"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":"ミニコンピュータによる航空機騒音の予測コンターの計算と作成","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ミニコンピュータによる航空機騒音の予測コンターの計算と作成"}]},"item_type_id":"9","owner":"1","path":["1890","1910"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"32121","relation_version_is_last":true,"title":["ミニコンピュータによる航空機騒音の予測コンターの計算と作成"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T00:40:27.910255+00:00"}