{"created":"2021-03-01T06:07:00.712405+00:00","id":3261,"links":{},"metadata":{"_buckets":{"deposit":"da777a70-f5a0-494a-9917-3768fd5cd59d"},"_deposit":{"id":"3261","owners":[],"pid":{"revision_id":0,"type":"depid","value":"3261"},"status":"published"},"_oai":{"id":"oai:niigata-u.repo.nii.ac.jp:00003261","sets":["423:424:425","453:454"]},"item_5_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Measurement Techniques for Small Antennas"}]},"item_5_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicPageEnd":"800","bibliographicPageStart":"795","bibliographicVolumeNumber":"94","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会誌"},{"bibliographic_title":"電子情報通信学会誌","bibliographic_titleLang":"en"}]}]},"item_5_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ベクトルネットワークアナライザの登場により,小形アンテナの入力インピーダンス測定の精度が向上した.測定器の性能が上がっても,小形アンテナの特性は周囲環境の影響を受けやすいため,その測定には十分に注意を払う必要がある.本稿では,まず小形アンテナ測定において必要とされる基本事項の理解,誤差要因の切り分け,不確かさの重要性について述べる.続いて,VHF/UHF帯からマイクロ波帯で利用されるケーブルやコネクタの取扱いに関する注意事項を列挙する.ベクトルネットワークアナライザを利用したアンテナの入力インピーダンス測定について,電気長補正の方法も含めて概観する.最後に,放射パターン測定並びにその誤差要因について触れる.","subitem_description_type":"Abstract"}]},"item_5_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"41749","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Ishii, Nozomu"}]}]},"item_5_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会"}]},"item_5_relation_31":{"attribute_name":"異版である","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://ci.nii.ac.jp/naid/110008711934","subitem_relation_type_select":"URI"}}]},"item_5_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright (C) 2011 IEICE"},{"subitem_rights":"本文データは学協会の許諾に基づきCiNiiから複製したものである"}]},"item_5_select_19":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_5_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN1001339X","subitem_source_identifier_type":"NCID"}]},"item_5_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09135693","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"石井, 望"}],"nameIdentifiers":[{"nameIdentifier":"41748","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":"2019-07-30"}],"displaytype":"detail","filename":"110008711934.pdf","filesize":[{"value":"927.2 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"110008711934.pdf","url":"https://niigata-u.repo.nii.ac.jp/record/3261/files/110008711934.pdf"},"version_id":"50186cf0-250a-4530-a0ec-08d9a738fbaf"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"小形アンテナ","subitem_subject_scheme":"Other"},{"subitem_subject":"測定","subitem_subject_scheme":"Other"},{"subitem_subject":"入力インピーダンス","subitem_subject_scheme":"Other"},{"subitem_subject":"放射パターン","subitem_subject_scheme":"Other"}]},"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":"小形アンテナ測定技術","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"小形アンテナ測定技術"},{"subitem_title":"小形アンテナ測定技術","subitem_title_language":"en"}]},"item_type_id":"5","owner":"1","path":["454","425"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-02-25"},"publish_date":"2014-02-25","publish_status":"0","recid":"3261","relation_version_is_last":true,"title":["小形アンテナ測定技術"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-15T03:36:23.322717+00:00"}