Rchr

J-GLOBAL ID：200901028450934682 Update date: Aug. 29, 2024

Kojima Hirotsugu

コジマヒロツグ | Kojima Hirotsugu

Affiliation and department：
Homepage URL (1)： http://space.rish.kyoto-u.ac.jp/people/kojima/

Research field (1)： Space and planetary science

Research keywords (2)：科学衛星・ロケットによるプラズマ波動観測と宇宙環境探査 , Plasma wave observation by spacecraft

Research theme for competitive and other funds (35)：

2021 - 2025 Study on energy sources of escaping ions in the polar regions
2016 - 2019 Study on the use of optical electric field sensors for the measurement in space
2015 - 2019 One-chip plasma wave receivers for micro-satellites based on analog-digital mixed chips
2015 - 2017 Development of a new spaceborne search coil magnetometer without a radiation shield using ASIC technology and improvement of its electric field sensitivity
2012 - 2016 Study on co-opearational measurements of plasma wave using inter-satellite communication onboard formation flying satellites

2012 - 2015 Study on intelligent signal processing for noise reduction of plasma wave instruments onboard scientific satellite

2011 - 2015 Tiny plasma wave instruments opening science with high spatial resolutions in space

2011 - 2013 Study on relativistic electron accelerations with a development of wave-particle interaction analyzer

2009 - 2012 Space Plasma Acceleration in Radiation Belt, Shock, and Polar Magnetosphere by Wave-Particle Interaction and Electro-Magnetic Fields

2008 - 2011 Study on co-operational measurement system for plasma waves by means of formation-flying satellites

2007 - 2010 Study on the monitor system for space electromagnetic environment

2008 - 2009 環境調和型材料としての宇宙用導電性木質材料の研究

2003 - 2006 Study on the advanced electric field measurement system in space plasmas

2003 - 2005 Study on ion-wave-plasmas interactions in space plasmas via spacecraft observations and computer experiments-Breakthrough of the magnetospheric physics

2004 - 国際水星探査計画BepiColomboプラズマ波動観測

2001 - 2003 STUDY OF ELECTROMAGNETIC RADIATION FROM ELECTROSTATIC' SOLITARY WAVES IN SPACE PLASMAS

2003 - 小型宇宙電磁環境モニターの開発

2000 - 2002 Study on antenna characteristics for wave observation including kinetic effects of space plasma

2000 - 2002 Study on ion-wave-electron interactions in space plasmas via spacecraft observations and computer experiments -Breakthrough of the magnetospheric physics-

1999 - 2000 Development of subsurface radar system onboard scientific satellites

1998 - 2000 STUDY ON FORMATION PROCESSES OF ELECTROSTATIC SOLITARY WAVES IN SPACE PLASMAS

1998 - 1999 地球磁気圏周辺ショック領域でのミクロ物理過程

1996 - 1999 Study on nonlinear wave dynamics in the magnetosphere via computer experiments and plasma waveform analysis

1996 - 1997 Study of wave-particle interactions in space plasmas (Joint research using multiple spacecraft observations and computer experiments)

1996 - 1996 電波によるエネルギー伝送の受電システムの大規模化に関する研究

1995 - 1995 地球磁気圏尾部とその周辺で観測される静電波の統括的研究

1994 - 1995 Study of Magnetospheric Plasma Waves by Multiple Satellites

1993 - 1995 Computer Experiments on wave-particle interaction in the boundary layrs and tail region of the magnetospeher

1994 - 1994 GEOTAIL衛星搭載プラズマ波動観測装置による地球磁気圏構造の研究

1992 - 1994 Investigation of the Geomagnetic Tail by the GEOTAIL Satellite

1991 - 1992 Study on Electrodynamics in Space Plasma via Three-Dimensional Computer Experiments

1990 - 1990 計算機実験を用いた彗星付近でのプラズマ波動不安定性の研究

1989 - 1990 Active Experiments of Wave-Wave and Wave-Particle Interaction by Using EXOS-D (AKEBONO) Satellite

地球磁気圏尾部におけるプラズマ波動特性

Plasma wave feature in the geomagnetic tail region

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Papers (176)：

Tomoe Taki, Satoshi Kurita, Airi Shinjo, Ibuki Fukasawa, Satoko Nakamura, Hirotsugu Kojima, Yoshiya Kasahara, Shoya Matsuda, Ayako Matsuoka, Yoshizumi Miyoshi, et al. On the phase difference of ECH waves obtained from the interferometry observation by the Arase satellite. Earth, Planets and Space. 2024. 76. 1
Tomoe Taki, Satoshi Kurita, Hirotsugu Kojima, Yoshiya Kasahara, Shoya Matsuda, Ayako Matsuoka, Yoichi Kazama, Chae-Woo Jun, Shiang-Yu Wang, Sunny W. Y. Tam, et al. Cold Electron Temperature in the Inner Magnetosphere Estimated Through the Dispersion Relation of ECH Waves From the Arase Satellite Observations. Radio Science. 2024. 59. 6
Ibuki Fukasawa, Yohei Miyake, Hideyuki Usui, Koshiro Kusachi, Satoshi Kurita, Hirotsugu Kojima. Impedance of electric field sensors in magnetized plasmas: particle-in-cell simulations. Earth, Planets and Space. 2024. 76. 1
Geraint H. Jones, Colin Snodgrass, Cecilia Tubiana, Michael Küppers, Hideyo Kawakita, Luisa M. Lara, Jessica Agarwal, Nicolas André, Nicholas Attree, Uli Auster, et al. The Comet Interceptor Mission. Space Science Reviews. 2024. 220. 1
Ibuki Fukasawa, Yohei Miyake, Hideyuki Usui, Koshiro Kusachi, Satoshi Kurita, Hirotsugu Kojima. Particle-in-Cell Simulations on Interferometry Technique by a Single Spacecraft. URSI Radio Science Letters. 2023. 4

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MISC (182)：

齊藤, 昭則, 松岡, 彩子, 坂崎, 貴俊, 阿部, 琢美, 齋藤, 義文, 石坂, 圭吾, 田川, 雅人, 横田, 久美子, 熊本, 篤志, 小嶋, 浩嗣, et al. Es層形成過程の中性大気とプラズマ大気の同時観測による解明 S-310-46号機プロジェクト-Elucidation of the generation process of sporadic E layers by simultaneous observation of the neutral and ionized atmospheres: S-310-46 rocket project. 観測ロケットシンポジウム2022 講演集 = Proceedings of Sounding Rocket Symposium 2022. 2023
松岡彩子, 齊藤昭則, 米田匡宏, 齋藤義文, 阿部琢美, 石坂圭吾, 小嶋浩嗣, 栗田怜, 村田直史, 中田雅彦. Development of Small-size Instruments for Future Moon/Planetary Exploration Projects and Validation by Sounding Rocket Experiment. 宇宙科学技術連合講演会講演集(CD-ROM). 2022. 66th
齋藤義文, 小嶋浩嗣, 小川泰信, 浅村和史, 阿部琢美, 石坂圭吾, 栗田怜, 熊本篤志, 頭師孝拓, 田中真, et al. Overview of the SS-520-3 Sounding Rocket Experiment. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2022. 152nd
齋藤義文, 小嶋浩嗣, 小川泰信. S-520-3号機観測ロケット実験の進捗状況. 2021
菊川素如, 浅村和史, 栗田怜, 小嶋浩嗣, 齋藤義文. Study on Development and Integration of the High-Speed Current Detection Circuits in Particle Sensors. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2021. 150th

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Lectures and oral presentations (301)：

Statistical analysis of densities and temperatures of cold and hot electrons
(2023)
あらせ衛星で観測されたコーラス波動に伴う電子フラックス変動現象の統計解析
(2023)
Analysis of plasma waves observed by LFAS/WF Conboard the SS-520-3 sounding rocket
(2023)
Radio & Plasma Wave Investigation (RPWI)aboard JUICE: The first half year of the long travel to Jupiter and Icy Moons
(2023)
宇宙プラズマ中の低域混成周波数付近におけるアンテナインピーダンス特性に関する粒子シミュレーション
(2023)

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Education (4)：

- 1989 Kyoto University
- 1989 Kyoto University Graduate School, Division of Engineering
- 1987 Kyoto University Faculty of Engineering
- 1987 Kyoto University Faculty of Engineering

Professional career (2)：

Master of Engineering
Others

Work history (4)：

2004/04 - Kyoto University Research Institute for Sustainable Humanosphere
2000/04 - 京都大学宙空電波科学研究センターへ改組にともない、同助教授
1999/04 - 京都大学超高層電波研究センター・助教授
1989/04 - 京都大学超高層電波研究センター・助手として採用される

Committee career (43)：

2021/07 - 2024/07 2027年IEEEアンテナ・伝搬国際シンポジウム及びJNC/USNC-URSI 電波科学会議(IEEE AP-S/URSI 2027)準備委員会
2021/05 - 2023/09 XXXVth URSI General Assembly and Scientific Symposium (URSI GASS2023)準備委員会
2021/04 - 2023/09 日本学術会議電気電子工学委員会URSI分科会プラズマ波動小委員会委員長
2021/07 - 2022/03 国立研究開発法人宇宙航空研究開発機構共通技術文書ワーキンググループ委員
2021/11 - 2021/12 国立研究開発法人宇宙航空研究開発機構国際宇宙探査センター月極域探査機(LUPEX)ミッション定義再審査/システム要求再審査/システム定義審査会

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Awards (2)：

2006 - 平成18年度科学技術分野の文部科学大臣表彰科学技術賞(研究部門) 「科学衛星による宇宙プラズマ静電孤立波の発見とその理論研究」
2003 - 地球電磁気・地球惑星圏学会(SGEPSS) 田中舘賞「地球磁気圏尾部領域におけるプラズマ波動の観測的研究」

Association Membership(s) (3)：

電子情報通信学会 , 米国地球物理学連合(American Geophysical Union) , 地球電磁気・地球惑星圏学会

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