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| 講演名 | 2018-11-08 13:30 Effects of Lunar Revolution on the Performance of the Moon-Based Synthetic Aperture Radar ○Zhen Xu（RADI/UCAS）・Kun-shan Chen（UCAS）  SANE2018-56 |
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| 抄録 | （和） | The Moon-based synthetic aperture radar (Moon-based SAR) offers an unprecedented temporal and spatial coverages in Earth observation, and has attracted growing attention recently. However, operating in the lunar orbit, Moon-based SAR imaging is confined within a complex geometry of the SAR, Moon and Earth, where both rotation and revolution exert. The Doppler of the Moon-based SAR is mainly generated by virtue of the Earth's self-rotation as a function of the Moon-based SAR geometry. The lunar revolution around its own axis also adds additional components to Doppler. Consequently, the effect of the lunar revolution, has a significant impact on the performance of the Moon-based SAR. The overall effects of the lunar revolution are analyzed in this paper. Theoretical analyses show that the effect of the lunar revolution turns out to be two correction factors in terms of a deviation magnitude scaling the equivalent velocity and deviation angle affecting the equivalent squint angle. Both the two factors exert significant impact on the Doppler. As a result, the azimuthal resolution and the distortion angle are modified by the effect of lunar revolution. Results also show that effects of the lunar revolution are in connection with relative positions of the ground target and Moon-based SAR. In the end, numerical simulations using point target response validate the theoretical analyses and accentuate the necessary to compensate the Doppler error induced by the lunar revolution. |
| （英） | The Moon-based synthetic aperture radar (Moon-based SAR) offers an unprecedented temporal and spatial coverages in Earth observation, and has attracted growing attention recently. However, operating in the lunar orbit, Moon-based SAR imaging is confined within a complex geometry of the SAR, Moon and Earth, where both rotation and revolution exert. The Doppler of the Moon-based SAR is mainly generated by virtue of the Earth's self-rotation as a function of the Moon-based SAR geometry. The lunar revolution around its own axis also adds additional components to Doppler. Consequently, the effect of the lunar revolution, has a significant impact on the performance of the Moon-based SAR. The overall effects of the lunar revolution are analyzed in this paper. Theoretical analyses show that the effect of the lunar revolution turns out to be two correction factors in terms of a deviation magnitude scaling the equivalent velocity and deviation angle affecting the equivalent squint angle. Both the two factors exert significant impact on the Doppler. As a result, the azimuthal resolution and the distortion angle are modified by the effect of lunar revolution. Results also show that effects of the lunar revolution are in connection with relative positions of the ground target and Moon-based SAR. In the end, numerical simulations using point target response validate the theoretical analyses and accentuate the necessary to compensate the Doppler error induced by the lunar revolution. |
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| キーワード | （和） | Moon-based SAR / lunar revolution / Doppler / deviation magnitude / deviation angle / / / |
| （英） | Moon-based SAR / lunar revolution / Doppler / deviation magnitude / deviation angle / / / | |
| 文献情報 | 信学技報, vol. 118, no. 287, SANE2018-56, pp. 5-9, 2018年11月. | |
| 資料番号 | SANE2018-56 | |
| 発行日 | 2018-11-01 (SANE) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | SANE2018-56 |
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| 研究会情報 | |
| 研究会 | SANE |
| 開催期間 | 2018-11-07 - 2018-11-09 |
| 開催地（和） | 中国（許昌市） |
| 開催地（英） | China (Xuchang) |
| テーマ（和） | ICSANE2018 |
| テーマ（英） | ICSANE2018 |
| 講演論文情報の詳細 | |
| 申込み研究会 | SANE |
| 会議コード | 2018-11-SANE |
| 本文の言語 | 英語 |
| タイトル（和） | |
| サブタイトル（和） | |
| タイトル（英） | Effects of Lunar Revolution on the Performance of the Moon-Based Synthetic Aperture Radar |
| サブタイトル（英） | |
| キーワード(1)（和/英） | Moon-based SAR / Moon-based SAR |
| キーワード(2)（和/英） | lunar revolution / lunar revolution |
| キーワード(3)（和/英） | Doppler / Doppler |
| キーワード(4)（和/英） | deviation magnitude / deviation magnitude |
| キーワード(5)（和/英） | deviation angle / deviation angle |
| キーワード(6)（和/英） | / |
| キーワード(7)（和/英） | / |
| キーワード(8)（和/英） | / |
| 第1著者 氏名（和/英/ヨミ） | Zhen Xu / Zhen Xu / |
| 第1著者 所属（和/英） | Institute of Remote Sensing and Digital Earth/University of the (略称： RADI/中国科学院大) Institute of Remote Sensing and Digital Earth/University of the Chinese Academy of Sciences (略称： RADI/UCAS) |
| 第2著者 氏名（和/英/ヨミ） | Kun-shan Chen / Kun-shan Chen / |
| 第2著者 所属（和/英） | University of the Chinese Academy of Sciences (略称： 中国科学院大) University of the Chinese Academy of Sciences (略称： UCAS) |
| 講演者 | 第1著者 |
| 発表日時 | 2018-11-08 13:30:00 |
| 発表時間 | 20分 |
| 申込先研究会 | SANE |
| 資料番号 | SANE2018-56 |
| 巻番号（vol） | vol.118 |
| 号番号（no） | no.287 |
| ページ範囲 | pp.5-9 |
| ページ数 | 5 |
| 発行日 | 2018-11-01 (SANE) |
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