{"created":"2023-05-15T12:36:00.393713+00:00","id":5155,"links":{},"metadata":{"_buckets":{"deposit":"64cbba69-6ed7-4579-b687-be174586e19d"},"_deposit":{"created_by":3,"id":"5155","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"5155"},"status":"published"},"_oai":{"id":"oai:nitech.repo.nii.ac.jp:00005155","sets":["31"]},"author_link":["17353","573","8753"],"item_10001_alternative_title_24":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"PCB　ノ　デンジ　ホウシャ　ト　デンゲン　グラウンドソウカン　ニュウリョク　インピーダンス　ニオケル　シュウハスウ　トクセイ　ノ　タイオウ　カンケイ　"},{"subitem_alternative_title":"Correspondence between Frequency Characteristics of Radiated Emission and Input Impedance of Power-Ground Planes of PCB"}]},"item_10001_biblio_info_28":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-08-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"8","bibliographicPageEnd":"1646","bibliographicPageStart":"1639","bibliographicVolumeNumber":"J86-B","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. B, 通信"}]}]},"item_10001_description_36":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"プリント回路基板(PCB: Printed Circuit Board)のグラウンドバウンス(Ground bounce)による電磁放射ピークの周波数は，電源グラウンド層間入力インピーダンス（以下，PCBインピーダンスと呼ぶ）の周波数特性から予測可能とされているが，その対応関係には不明の部分が多い．本論文では，PCBの電磁放射とPCBインピーダンスの周波数スペクトルをFDTD (Finite-Difference Time-Domain)法で解析し，実測値との対照から両者の対応機構を考察した．その結果，PCBインピーダンスの大きさに比して十分小さい内部抵抗の電圧源でPCBを励振すれば，電磁放射のピークはPCBインピーダンスが極小となる周波数で現れるが，それは内部抵抗の増大とともにPCBインピーダンスが極大となる周波数へ移行することがわかった．また，PCBインピーダンスが極大，極小となる二つの周波数（共振周波数）における抵抗成分（以下，共振抵抗と呼ぶ）から求めた放射電力比は二乗放射電界比とおおむね一致すること，それゆえにPCBの放射ピーク周波数は励振源の内部抵抗とPCBインピーダンスの共振抵抗の両者で決まること，などが明らかとなった．","subitem_description_type":"Other"}]},"item_10001_description_38":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_10001_full_name_27":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{}],"names":[{"name":"Fujiwara, Osamu"}]},{"nameIdentifiers":[{},{}],"names":[{"name":"Wang, Jianqing"}]}]},"item_10001_publisher_29":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Institute of Electronics, Information and Communication Engineers"}]},"item_10001_source_id_30":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"13444697","subitem_source_identifier_type":"ISSN"}]},"item_10001_source_id_32":{"attribute_name":"書誌レコードID（NCID）","attribute_value_mlt":[{"subitem_source_identifier":"AA11325909","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_33":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"藤原, 修"},{"creatorName":"フジワラ, オサム","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中村, 謙司"},{"creatorName":"&EMPTY&","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"王, 建青"},{"creatorName":"オウ, ケンセイ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{},{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-01-25"}],"displaytype":"detail","filename":"J86-B_1639.pdf","filesize":[{"value":"539.0 kB"}],"format":"application/pdf","license_note":"Copyright(c)2003 IEICE　http://search.ieice.org/index.html","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"本文_fulltext","url":"https://nitech.repo.nii.ac.jp/record/5155/files/J86-B_1639.pdf"},"version_id":"045739dd-1c29-40c8-bec2-6f234dd90493"}]},"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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"PCBの電磁放射と電源グラウンド層間入力インピーダンスにおける周波数特性の対応関係","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"PCBの電磁放射と電源グラウンド層間入力インピーダンスにおける周波数特性の対応関係"}]},"item_type_id":"10001","owner":"3","path":["31"],"pubdate":{"attribute_name":"公開日","attribute_value":"2013-06-25"},"publish_date":"2013-06-25","publish_status":"0","recid":"5155","relation_version_is_last":true,"title":["PCBの電磁放射と電源グラウンド層間入力インピーダンスにおける周波数特性の対応関係"],"weko_creator_id":"3","weko_shared_id":3},"updated":"2023-05-15T14:32:13.703642+00:00"}