{"created":"2023-05-15T12:35:06.575064+00:00","id":3939,"links":{},"metadata":{"_buckets":{"deposit":"f7a27acb-4079-4ea9-9d45-c7d8347d9fde"},"_deposit":{"created_by":3,"id":"3939","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"3939"},"status":"published"},"_oai":{"id":"oai:nitech.repo.nii.ac.jp:00003939","sets":["31"]},"author_link":["11337","11336","8753","11338"],"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":"フレネル　リョウイキ　ニオケル　スクナイ　ソクテイ　ケイレツ　カラ　ハンシャハ　ノ　ホウコウ　オ　スイテイスル　アルゴリズム　ト　ソノ　ヒョウカ"},{"subitem_alternative_title":"A direction finding algorithm of reflected waves using small size data series measured in Fresnel region and its evaluation."}]},"item_10001_biblio_info_28":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1988-04-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"575","bibliographicPageStart":"569","bibliographicVolumeNumber":"J71-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":"建造物や壁などからのフレネル領域の波となっている電波の不要反射特性を知るために，その反射源の方向を知ることが必要である．本論文では，フレネル領域の空間系列のスペクトルの形状と性質を検討することに基づいて，フレネル領域における反射波の到来方向を逐次的に推定するアルゴリズムを提案する．すなわち，少ないデータから高分解能でスペクトル推定できる最大エントロピー法と非線形方程式を解くためのニュートン・ラフソン法による誤差補正とを組合せることによりこれを実現している．また，その有効性を確認するための計算機シミュレーションと実験結果を示す．計算機シミュレーションの結果では，5倍波長の開口の40個測定データから0.1°～2.9°の誤差で反射方向が推定された．実験の例でも0.5° 以下の誤差という高い精度で反射方向が推定された．これ","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":"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":"09135715","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":"AN10013367","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":"王, 建青"},{"creatorName":"オウ, ケンセイ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{},{}]},{"creatorNames":[{"creatorName":"佐藤, 次男"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"越後, 宏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高木, 相"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-01-23"}],"displaytype":"detail","filename":"J71-B_569.pdf","filesize":[{"value":"582.8 kB"}],"format":"application/pdf","license_note":"Copyright (c) 1988 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/3939/files/J71-B_569.pdf"},"version_id":"165b09fa-a56f-4220-ba3a-0879c5ea5a1a"}]},"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":"フレネル領域における少ない測定系列から反射波の方向を推定するアルゴリズムとその評価","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"フレネル領域における少ない測定系列から反射波の方向を推定するアルゴリズムとその評価"}]},"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":"3939","relation_version_is_last":true,"title":["フレネル領域における少ない測定系列から反射波の方向を推定するアルゴリズムとその評価"],"weko_creator_id":"3","weko_shared_id":3},"updated":"2023-05-16T14:26:57.293804+00:00"}