{"created":"2023-05-15T15:25:18.495207+00:00","id":12887,"links":{},"metadata":{"_buckets":{"deposit":"f5ba68ed-7fd4-44b7-bc29-e1114b5b4c78"},"_deposit":{"created_by":3,"id":"12887","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"12887"},"status":"published"},"_oai":{"id":"oai:sucra.repo.nii.ac.jp:00012887","sets":["94:426"]},"author_link":["20318","18438","20319"],"item_119_alternative_title_1":{"attribute_name":"タイトル（別言語）","attribute_value_mlt":[{"subitem_alternative_title":"&EMPTY&"},{"subitem_alternative_title":"Prefiltering for Blind Equalization"}]},"item_119_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1995","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"331","bibliographicPageStart":"323","bibliographicVolumeNumber":"J78-A","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. A, 基礎・境界"}]}]},"item_119_description_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_description":"http://www.ieice.org/jpn/trans_online/index.html | http://www.ieice.org/jpn/trans_online/index.html","subitem_description_type":"Other"}]},"item_119_description_19":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"分布合同原理に基づくブラインドアルゴリズムの最大の問題点は,収束に要する時間が長いことであるが,その収束特性が何に依存するかは明確にされていない.本論文では,通常の適応等化に多く用いられているLMSアルゴリズムとブラインドアルゴリズムの類似性に着目し,ブラインドアルゴリズムの収束特性が入力相関行列の条件数に依存すると予測し,計算機シミュレーションによりこれを確認している.続いて,ブラインド等化のための固定型および適応型プレフィルタリングを提案している.本手法は,予測誤差フィルタが通信路によるひずみの振幅特性を補正する能力を有することに着目し,両プレフィルタを実現している.プレフィルタリングの振幅特性補正能力により,ブラインド等化では位相特性のみを補正すればよいことになり,ブラインド等化器にかかる負荷が軽減される.また,プレフィルタ出力は白色信号に近い性質を有するため,通信路出力からなる相関行列の条件数の増加に伴うブラインドアルゴリズムの収束特性の劣化を改善することができる.本手法の有効性は,計算機シミュレーションによって確認されている.","subitem_description_type":"Abstract"}]},"item_119_description_21":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"copyright(c)1995 IEICE\n許諾番号：07RB0174","subitem_description_type":"Other"}]},"item_119_description_29":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"text","subitem_description_type":"Other"}]},"item_119_description_30":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_119_publisher_11":{"attribute_name":"出版者名","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_119_source_id_14":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09135707","subitem_source_identifier_type":"ISSN"}]},"item_119_text_3":{"attribute_name":"著者 ローマ字","attribute_value_mlt":[{"subitem_text_value":"Ito, Katsuko"},{"subitem_text_value":"Shimamura, Tetsuya"},{"subitem_text_value":"Suzuki, Jouji"}]},"item_119_text_32":{"attribute_name":"アイテムID","attribute_value_mlt":[{"subitem_text_value":"A1003080"}]},"item_119_text_4":{"attribute_name":"著者 所属","attribute_value_mlt":[{"subitem_text_value":"埼玉大学工学部情報工学科"},{"subitem_text_value":"埼玉大学大学院理工学研究科"},{"subitem_text_value":"埼玉大学工学部情報工学科"}]},"item_119_text_5":{"attribute_name":"著者 所属(別言語)","attribute_value_mlt":[{"subitem_text_value":"Department of Information and Computer Sciences, Faculty of Engineering Saitama University"},{"subitem_text_value":"Graduate School of Science and Engineering, Saitama University"},{"subitem_text_value":"Department of Information and Computer Sciences, Faculty of Engineering Saitama University"}]},"item_119_text_9":{"attribute_name":"年月次","attribute_value_mlt":[{"subitem_text_value":"1995-3"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"伊藤, 克子"},{"creatorName":"イトウ, カツコ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"島村, 徹也"},{"creatorName":"シマムラ, テツヤ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{},{}]},{"creatorNames":[{"creatorName":"鈴木, 誠史"},{"creatorName":"スズキ, ジョウジ","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":"2018-01-24"}],"displaytype":"detail","filename":"A1003080.pdf","filesize":[{"value":"576.3 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"A1003080.pdf","url":"https://sucra.repo.nii.ac.jp/record/12887/files/A1003080.pdf"},"version_id":"f1312827-471b-4224-8d70-a8fa179f18b4"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ブラインドアルゴリズム","subitem_subject_scheme":"Other"},{"subitem_subject":"収束特性","subitem_subject_scheme":"Other"},{"subitem_subject":"条件数","subitem_subject_scheme":"Other"},{"subitem_subject":"プレフィルタリング","subitem_subject_scheme":"Other"},{"subitem_subject":"白色化","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":"ブラインド等化のためのプレフィルタリング","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブラインド等化のためのプレフィルタリング"}]},"item_type_id":"119","owner":"3","path":["426"],"pubdate":{"attribute_name":"公開日","attribute_value":"2007-10-04"},"publish_date":"2007-10-04","publish_status":"0","recid":"12887","relation_version_is_last":true,"title":["ブラインド等化のためのプレフィルタリング"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T12:47:01.380041+00:00"}