{"_buckets": {"deposit": "a37e57d0-8b7d-4972-8d0a-14be77d55445"}, "_deposit": {"id": "3474", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "3474"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00003474", "sets": ["454", "425"]}, "item_5_alternative_title_1": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "Variable-Frequency Sinusoidal-Pair Oscillator Based on a CORDIC"}]}, "item_5_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1992-03", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "3", "bibliographicPageEnd": "525", "bibliographicPageStart": "516", "bibliographicVolumeNumber": "J75A", "bibliographic_titles": [{"bibliographic_title": "電子情報通信学会論文誌. D-II, 情報・システム, II-情報処理"}, {"bibliographic_title": "電子情報通信学会論文誌. D-II, 情報・システム, II-情報処理", "bibliographic_titleLang": "en"}]}]}, "item_5_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "CORDICアルゴリズムは，2次元ベクトルの平面回転を実現するアルゴリズムとして知られている．本論文では，このCORDICアルゴリズムの平面回転を利用した正弦波対発振器を提案している．この発振器は，1サンプルごとにベクトルを回転させることで発振出力を得るために，回転角を変更することで発振周波数を容易に変更することができ，正弦波と余弦波を同時に得ることができる．本論文では，CORDICアルゴリズムによる正弦波対発振器の構成を示し，その発振出力に生じる誤差を解析している．次に，誤差解析の結果より，CORDICアルゴリズムで生じる2種類の演算誤差に対して，それぞれ誤差フィードバックを適用している．また，シミュレーションにより，誤差フィードバックを付加したCORDIC形発振器の発振精度が，従来の正弦波対発振器よりも高いことを確認している．更に，FM変調波発生のシミュレーションにより，周波数可変の発振器として動作することを確認している.", "subitem_description_type": "Abstract"}]}, "item_5_full_name_3": {"attribute_name": "著者別名", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "43204", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Nakashizuka, Makoto"}]}, {"nameIdentifiers": [{"nameIdentifier": "43205", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Kikuchi, Hisakazu"}]}, {"nameIdentifiers": [{"nameIdentifier": "43206", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Watanabe, Hiromichi"}]}]}, "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://www.ieice.org/jpn/trans_online/", "subitem_relation_type_select": "URI"}}]}, "item_5_rights_15": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "Copyright (C) 1992 IEICE"}]}, "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": "AN1007132X", "subitem_source_identifier_type": "NCID"}]}, "item_5_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "09135707", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "中静, 真"}], "nameIdentifiers": [{"nameIdentifier": "43201", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "菊池, 久和"}], "nameIdentifiers": [{"nameIdentifier": "43202", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "渡辺, 弘道"}], "nameIdentifiers": [{"nameIdentifier": "43203", "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", "download_preview_message": "", "file_order": 0, "filename": "75_3_516-525.pdf", "filesize": [{"value": "674.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 674800.0, "url": {"label": "75_3_516-525.pdf", "url": "https://niigata-u.repo.nii.ac.jp/record/3474/files/75_3_516-525.pdf"}, "version_id": "d3fa74a8-123c-410c-9c9b-29e1a4e5d1bc"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "CORDICアルゴリズム", "subitem_subject_scheme": "Other"}, {"subitem_subject": "平面回転", "subitem_subject_scheme": "Other"}, {"subitem_subject": "正弦波対発振器", "subitem_subject_scheme": "Other"}, {"subitem_subject": "可変周波数発振器", "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": "CORDICによる周波数可変ディジタル正弦波対発振器", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "CORDICによる周波数可変ディジタル正弦波対発振器"}, {"subitem_title": "CORDICによる周波数可変ディジタル正弦波対発振器", "subitem_title_language": "en"}]}, "item_type_id": "5", "owner": "1", "path": ["454", "425"], "permalink_uri": "http://hdl.handle.net/10191/22282", "pubdate": {"attribute_name": "公開日", "attribute_value": "2013-05-16"}, "publish_date": "2013-05-16", "publish_status": "0", "recid": "3474", "relation": {}, "relation_version_is_last": true, "title": ["CORDICによる周波数可変ディジタル正弦波対発振器"], "weko_shared_id": null}