{"created":"2024-06-19T05:41:30.742610+00:00","id":2007965,"links":{},"metadata":{"_buckets":{"deposit":"cc2a3a54-ca71-4938-ba5d-cf380edb2b25"},"_deposit":{"created_by":10,"id":"2007965","owners":[10],"pid":{"revision_id":0,"type":"depid","value":"2007965"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02007965","sets":["12:14:1716955731445"]},"author_link":["3348","1906"],"control_number":"2007965","item_10002_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1981-03","bibliographicIssueDateType":"Issued"},"bibliographicNumberOfPages":"19","bibliographicPageEnd":"29","bibliographicPageStart":"11","bibliographicVolumeNumber":"2","bibliographic_titles":[{"bibliographic_title":"水産工学研究所技報. 漁船工学","bibliographic_titleLang":"ja"},{"bibliographic_title":"Technical report of National Research Institute of Fisheries Engineering. Fishing boat and instrument","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"イルカ·魚群など海中生物を威嚇するための衝撃音(4種類),関西新国際空港·本州四国連絡橋などの大型プロジェクトの実施に伴う海上·海中工事機械や水中発破による衝撃音及びテッポウエビの発生する衝撃音について分析し,その結果を表5に經めた。今回の分析は純物理的に衝撃音に含まれる周波数成分について,FFTを用いて分析したが,水産の立場から見れば魚群·イルカが何の音圧で威嚇されるのか,慣れの問題を解決するにはどうしたら良いか,威嚇範囲は半径何か,どのようにすれば衝撃音を使って業効率を向上\nできるか,魚群が驚いて逃げるなど漁業にマイナスの影響を与える程度はどのくらいかといった点が最終目的となる。そのためには魚の聴覚生理に関する知見が必要であり,現段階では無に等しい状態なので早急に生物学者と水中音響学者が密接な協力体制を作り,有用魚種について基礎実験を行わねばならない。超音波を有効に利用してエコーロケーションを行い,物体の存在,大きさ,硬さ,移動速度·方向などの情報を得ているイルカとシャチの発生するパルスの分析については今後の研究課題としたい。","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"水産工学研究所","subitem_publisher_language":"ja"},{"subitem_publisher":"National Research Institute of Fisheries Engineering","subitem_publisher_language":"en"}]},"item_10002_radio_30":{"attribute_name":"item_10002_radio_30","attribute_value_mlt":[{"subitem_radio_item":"吉田","subitem_radio_language":"ja"}]},"item_10002_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"nrife_gk_2_11","subitem_relation_type_select":"Local"}}]},"item_10002_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"日本農学文献記事索引(agriknowledge)"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://agriknowledge.affrc.go.jp/RN/2010261254","subitem_relation_type_select":"URI"}}]},"item_10002_source_id_11":{"attribute_name":"item_10002_source_id_11","attribute_value_mlt":[{"subitem_source_identifier":"AN0035205X","subitem_source_identifier_type":"NCID"}]},"item_10002_source_id_9":{"attribute_name":"item_10002_source_id_9","attribute_value_mlt":[{"subitem_source_identifier":"0388-970X","subitem_source_identifier_type":"PISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Hatakeyama, Yoshimi","creatorNameLang":"en","creatorNameType":"Organizational"},{"creatorName":"畠山, 良己","creatorNameLang":"ja","creatorNameType":"Organizational"},{"creatorName":"ハタケヤマ, ヨシミ","creatorNameLang":"ja-Kana","creatorNameType":"Organizational"}],"familyNames":[{"familyName":"Hatakeyama","familyNameLang":"en"},{"familyName":"畠山","familyNameLang":"ja"},{"familyName":"ハタケヤマ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Yoshimi","givenNameLang":"en"},{"givenName":"良己","givenNameLang":"ja"},{"givenName":"ヨシミ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"3348","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ishii, Ken","creatorNameLang":"en","creatorNameType":"Organizational"},{"creatorName":"石井, 憲","creatorNameLang":"ja","creatorNameType":"Organizational"},{"creatorName":"イシイ, ケン","creatorNameLang":"ja-Kana","creatorNameType":"Organizational"}],"familyNames":[{"familyName":"Ishii","familyNameLang":"en"},{"familyName":"石井","familyNameLang":"ja"},{"familyName":"イシイ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Ken","givenNameLang":"en"},{"givenName":"憲","givenNameLang":"ja"},{"givenName":"ケン","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"1906","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"40372081","nameIdentifierScheme":"e-Rad_Researcher","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=40372081"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"水中衝撃音の分析について","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"水中衝撃音の分析について","subitem_title_language":"ja"},{"subitem_title":"On the Analysis of Impulsive Underwater Sounds","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"10","path":["1716955731445"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-06-19"},"publish_date":"2024-06-19","publish_status":"0","recid":"2007965","relation_version_is_last":true,"title":["水中衝撃音の分析について"],"weko_creator_id":"10","weko_shared_id":-1},"updated":"2025-06-12T07:25:58.690365+00:00"}