| 講演名 | 2021-11-12 [Invited Talk] Applications of Electromagnetic Array-Factor for Radar Engineering 小林 弘一(波動シス研), |
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| PDFダウンロードページ |  PDFダウンロードページへ |
| 抄録(和) | Array-factor (AF) theory is the widely and commonly method used to calculate and design array antenna pattern. Assuming that each element of array is a small point source, the combined electromagnetic field created due to these sources in far-region is obtained by AF. In this paper, we will make a explanation and tutorial discussion for some specific radar applications concentrated on AF, which has both simplicity and versatility. The practical four topics are prepared: First is an application to near-field to far-field transformation for evaluating antenna and RCS. Second, it is shown that radar image can be obtained by repeating transmitting and receiving from each element of array. This is considered an imaging method based on Fourier theory as same the so-called SAR, but the resolution in short-range target is more excellent than SAR. Furthermore, as a third topic, we explain the electronic beam scanning method for 3-dimensional conformal array. Finally, we discus the mechanism of MIMO virtual array as a fundamental study to combine to the conformal technology. |
| 抄録(英) | Array-factor (AF) theory is the widely and commonly method used to calculate and design array antenna pattern. Assuming that each element of array is a small point source, the combined electromagnetic field created due to these sources in far-region is obtained by AF. In this paper, we will make a explanation and tutorial discussion for some specific radar applications concentrated on AF, which has both simplicity and versatility. The practical four topics are prepared: First is an application to near-field to far-field transformation for evaluating antenna and RCS. Second, it is shown that radar image can be obtained by repeating transmitting and receiving from each element of array. This is considered an imaging method based on Fourier theory as same the so-called SAR, but the resolution in short-range target is more excellent than SAR. Furthermore, as a third topic, we explain the electronic beam scanning method for 3-dimensional conformal array. Finally, we discus the mechanism of MIMO virtual array as a fundamental study to combine to the conformal technology. |
| キーワード(和) | array-factor / phased array / near-field to far-field transformation / radar imaging / permittivity evaluation / conformal array / MIMO radar |
| キーワード(英) | array-factor / phased array / near-field to far-field transformation / near-field to far-field transformation / permittivity evaluation / conformal array / MIMO radar |
| 資料番号 | SANE2021-54 |
| 発行日 | 2021-11-04 (SANE) |
| 研究会情報 | |
| 研究会 | SANE |
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| 開催期間 | 2021/11/11(から2日開催) |
| 開催地（和） | オンライン開催 |
| 開催地（英） | Online |
| テーマ（和） | ICSANE2021/地下電磁計測ワークショップ |
| テーマ（英） | ICSANE2021/Workshop on subsurface electromagnetic measurement |
| 委員長氏名（和） | 森山 敏文(長崎大) |
| 委員長氏名（英） | Toshifumi Moriyama(Nagasaki Univ.) |
| 副委員長氏名（和） | 田中 真(東海大) / 網嶋 武(三菱電機) |
| 副委員長氏名（英） | Makoto Tanaka(Tokai Univ.) / Takeshi Amishima(Mitsubishi Electric) |
| 幹事氏名（和） | 夏秋 嶺(東大) / 二ッ森 俊一(電子航法研) |
| 幹事氏名（英） | Ryo Natsuaki(Univ. of Tokyo) / Shunichi Futatsumori(ENRI) |
| 幹事補佐氏名（和） | 北村 尭之(三菱電機) |
| 幹事補佐氏名（英） | Takayuki Kitamura(Mitsubishi Electric) |
| 講演論文情報詳細 | |
| 申込み研究会 | Technical Committee on Space, Aeronautical and Navigational Electronics |
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| 本文の言語 | ENG |
| タイトル（和） | |
| サブタイトル（和） | |
| タイトル（英） | [Invited Talk] Applications of Electromagnetic Array-Factor for Radar Engineering |
| サブタイトル（和） | |
| キーワード(1)（和/英） | array-factor / array-factor |
| キーワード(2)（和/英） | phased array / phased array |
| キーワード(3)（和/英） | near-field to far-field transformation / near-field to far-field transformation |
| キーワード(4)（和/英） | radar imaging / near-field to far-field transformation |
| キーワード(5)（和/英） | permittivity evaluation / permittivity evaluation |
| キーワード(6)（和/英） | conformal array / conformal array |
| キーワード(7)（和/英） | MIMO radar / MIMO radar |
| 第 1 著者 氏名（和/英） | 小林 弘一 / Hirokazu Kobayashi |
| 第 1 著者 所属（和/英） | 波動システム研究所(略称：波動シス研) Electromagnetic Wave System Laboratories(略称：Electromagnetic Wave System Lab.) |
| 発表年月日 | 2021-11-12 |
| 資料番号 | SANE2021-54 |
| 巻番号（vol） | vol.121 |
| 号番号（no） | SANE-236 |
| ページ範囲 | pp.114-123(SANE), |
| ページ数 | 10 |
| 発行日 | 2021-11-04 (SANE) |