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ビームシフトを抑制する直線偏波及び円偏波変換リフレクトアレー
https://doi.org/10.14988/0002000301
https://doi.org/10.14988/0002000301149ef5e3-cb2b-4ddb-ac6f-bc10bf4e3c72
名前 / ファイル | ライセンス | アクション |
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023065010004.pdf (2 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||||
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公開日 | 2024-04-04 | |||||||||||
タイトル | ||||||||||||
言語 | ja | |||||||||||
タイトル | ビームシフトを抑制する直線偏波及び円偏波変換リフレクトアレー | |||||||||||
タイトル | ||||||||||||
言語 | ja-Kana | |||||||||||
タイトル | ビーム シフト オ ヨクセイ スル チョクセン ヘンパ オヨビ エンヘンパ ヘンカン リフレクトアレー | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Linearly polarized reflectarray and circular-polarization conversion reflectarray suppressing beam shift | |||||||||||
言語 | ||||||||||||
言語 | jpn | |||||||||||
キーワード | ||||||||||||
主題 | リフレクトアレー, ビームシフト, 円偏波変換, 共振素子, 遺伝的アルゴリズム Reflectarray, beam shift, circular polarization conversion, resonant element, genetic algorithm |
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資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | departmental bulletin paper | |||||||||||
ID登録 | ||||||||||||
ID登録 | 10.14988/0002000301 | |||||||||||
ID登録タイプ | JaLC | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
山田, 裕貴
× 山田, 裕貴× 坂川, 幸太郎× 出口, 博之
WEKO
28342
× 辻, 幹男 |
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著者所属 | ||||||||||||
ja | ||||||||||||
山田, 裕貴 / 村田製作所 | ||||||||||||
著者所属 | ||||||||||||
ja | ||||||||||||
坂川, 幸太郎 / 西日本旅客鉄道 | ||||||||||||
著者所属 | ||||||||||||
ja | ||||||||||||
出口, 博之 / 同志社大学理工学部電子工学科教授 | ||||||||||||
著者所属 | ||||||||||||
ja | ||||||||||||
辻, 幹男 / 同志社大学理工学部電子工学科教授 | ||||||||||||
著者所属(英) | ||||||||||||
en | ||||||||||||
Yamada, Hiroki / Department of Electronics, Doshisha University | ||||||||||||
著者所属(英) | ||||||||||||
en | ||||||||||||
Sakagawa, Kotaro / Department of Electronics, Doshisha University | ||||||||||||
著者所属(英) | ||||||||||||
en | ||||||||||||
Deguchi, Hiroyuki / Department of Electronics, Doshisha University | ||||||||||||
著者所属(英) | ||||||||||||
en | ||||||||||||
Tsuji, Mikio / Department of Electronics, Doshisha University | ||||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | 本論文では, リフレクトアレーの開口面上において,各素子の配置される位置に応じて,周波数に対する反射位相量が適切な傾きを持つ直線となるように各素子の設計を行い,設計周波数以外でも開口面の位相分布を一様にすることで,設計帯域内でビームシフト抑制が可能なことを示す.そして,このような条件を満たす共振素子を遺伝的アルゴリズムにより設計し,その素子を用いてビームシフトを抑制した直線偏波及び円偏波変換リフレクトアレーを提案する.さらに,円偏波変換素子は8GHzから12GHzまでの周波数帯域で,二つの直交する直線偏波間で概ね90±20度の反射位相差に抑え,良好な直線-円偏波変換特性が得られている.設計例として,オフセット給電リフレクトアレーを示し,数値的,実験的評価を行った.その結果,主ビーム方向のビームシフトは,9GHzから11 GHzまでの周波数帯域で0.5度以下に抑えることができ,従来の1/10以下に小さくできることを確認している.また,円偏波変換リフレクトアレーにおいても,ビームシフトを抑制し,8GHzから12GHzまでの周波数帯域にわたって軸比を2以下にでき良好な特性が得られた. | |||||||||||
言語 | ja | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | We propose here a design method in which the beam shift of the main lobe radiated from a reflectarray can be suppressed within the specified frequency band. To realized the uniform phase distribution on the aperture plane, the resonant-conductor shape of each element with phase property depending on both the frequency and the position on the reflectarray plane is individually designed by the GA-optimized method. By using the optimized elements, two kinds of the reflectarray for a linearly polarized wave and with conversion into a circularly-polarized wave are constructed, and the beam shift characteristics are investigate numerically and experimentally. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
ja : 同志社大学ハリス理化学研究報告 en : The Harris science review of Doshisha University 巻 65, 号 1, p. 31-40, 発行日 2024-04 |
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出版者 | ||||||||||||
言語 | ja | |||||||||||
出版者 | 同志社大学ハリス理化学研究所 | |||||||||||
出版者(英) | ||||||||||||
言語 | en | |||||||||||
出版者 | Harris Science Research Institute of Doshisha University | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 21895937 | |||||||||||
書誌レコードID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA12716107 | |||||||||||
権利者情報 | ||||||||||||
権利者名 | 同志社大学ハリス理化学研究所 | |||||||||||
言語 | ja | |||||||||||
権利者名 | Harris Science Research Institute of Doshisha University | |||||||||||
言語 | en | |||||||||||
フォーマット | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | application/pdf | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
日本十進分類法 | ||||||||||||
主題 | 547.53 |