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Nishimura, Koji

Research Institute for Sustainable Associate Professor

Nishimura, Koji
list
    Last Updated :2022/06/29

    Basic Information

    Affiliated programs (koza)

    • Graduate School of Informatics, 通信情報システム 地球電波工学, 准教授

    Academic Degree

    • 修士(情報学)(京都大学)
    • 博士(情報学)(京都大学)

    Research History

    • From Sep. 2013
      Research Organization of Information and Systems, 特任准教授
    • From Apr. 2007
      Research Organization of Information and Systems, 特任研究員

    ID,URL

    researchmap URL

    list
      Last Updated :2022/06/29

      Research

      Research Interests

      • レーダー信号処理
      • 無線信号処理
      • 計測工学
      • 地球惑星電離圏

      Research Areas

      • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Measurement engineering
      • Natural sciences, Space and planetary science

      Papers

      • Weakening of Polar Mesosphere Winter Echo and Turbulent Energy Dissipation Rates After a Stratospheric Sudden Warming in the Southern Hemisphere in 2019
        M. Kohma; K. Sato; K. Nishimura; M. Tsutsumi
        Geophysical Research Letters, 28 May 2021
      • Relationship between radar cross section and optical magnitude based on radar and optical simultaneous observations of faint meteors
        Ryou Ohsawa; Akira Hirota; Kohei Morita; Shinsuke Abe; Daniel Kastinen; Johan Kero; Csilla Szasz; Yasunori Fujiwara; Takuji Nakamura; Koji Nishimura; Shigeyuki Sako; Jun-ichi Watanabe; Tsutomu Aoki; Noriaki Arima; Ko Arimatsu; Mamoru Doi; Makoto Ichiki; Shiro Ikeda; Yoshifusa Ita; Toshihiro Kasuga; Naoto Kobayashi; Mitsuru Kokubo; Masahiro Konishi; Hiroyuki Maehara; Takashi Miyata; Yuki Mori; Mikio Morii; Tomoki Morokuma; Kentaro Motohara; Yoshikazu Nakada; Shin-ichiro Okumura; Yuki Sarugaku; Mikiya Sato; Toshikazu Shigeyama; Takao Soyano; Hidenori Takahashi; Masaomi Tanaka; Ken’ichi Tarusawa; Nozomu Tominaga; Seitaro Urakawa; Fumihiko Usui; Takuya Yamashita; Makoto Yoshikawa
        Planetary and Space Science, Dec. 2020
      • Spectral Observation Theory and Beam Debroadening Algorithm for Atmospheric Radar
        Koji Nishimura; Masashi Kohma; Kaoru Sato; Toru Sato
        IEEE Transactions on Geoscience and Remote Sensing, Oct. 2020
      • A Statistical Analysis of the Energy Dissipation Rate Estimated From the PMWE Spectral Width in the Antarctic
        M. Kohma; K. Sato; K. Nishimura; M. Tsutsumi; T. Sato
        Journal of Geophysical Research: Atmospheres, 27 Aug. 2020
      • Analytical Expression of Capon Spectrum for Two Uncorrelated Signals Using the Inner Product of Mode Vectors
        Takuya SAKAMOTO; Koji NISHIMURA
        IEICE Transactions on Communications, 01 Apr. 2020
      • Direct Comparison Between Magnetospheric Plasma Waves and Polar Mesosphere Winter Echoes in Both Hemispheres
        Y.‐M. Tanaka; T. Nishiyama; A. Kadokura; M. Ozaki; Y. Miyoshi; K. Shiokawa; S.‐I. Oyama; R. Kataoka; M. Tsutsumi; K. Nishimura; K. Sato; Y. Kasahara; A. Kumamoto; F. Tsuchiya; M. Fukizawa; M. Hikishima; S. Matsuda; A. Matsuoka; I. Shinohara; M. Nosé; T. Nagatsuma; M. Shinohara; A. Fujimoto; M. Teramoto; R. Nomura; A. Sessai Yukimatu; K. Hosokawa; M. Shoji; R. Latteck
        Journal of Geophysical Research: Space Physics, Nov. 2019
      • First Incoherent Scatter Measurements and Adaptive Suppression of Field-Aligned Irregularities by the PANSY Radar at Syowa Station, Antarctic
        Taishi Hashimoto; Akinori Saito; Koji Nishimura; Masaki Tsutsumi; Kaoru Sato; Toru Sato
        Journal of Atmospheric and Oceanic Technology, Sep. 2019, Peer-reviewed
      • Estimate of Turbulent Energy Dissipation Rate From the VHF Radar and Radiosonde Observations in the Antarctic
        M. Kohma; K. Sato; Y. Tomikawa; K. Nishimura; T. Sato
        Journal of Geophysical Research: Atmospheres, 27 Mar. 2019
      • Simultaneous Observations of Polar Mesosphere Winter Echoes and Cosmic Noise Absorptions in a Common Volume by the PANSY Radar (69.0°S, 39.6°E)
        T. Nishiyama; K. Sato; T. Nakamura; M. Tsutsumi; T. Sato; Y.-M. Tanaka; K. Nishimura; Y. Tomikawa; M. Kohma
        Journal of Geophysical Research: Space Physics, Jun. 2018
      • A User Parameter-Free Diagonal-Loading Scheme for Clutter Rejection on Radar Wind Profilers
        Taishi Hashimoto; Koji Nishimura; Masaki Tsutsumi; Kaoru Sato; Toru Sato
        JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY, May 2017, Peer-reviewed
      • Facility implementation of adaptive clutter suppression to an existing wind profiler radar: First result
        Masayuki K. Yamamoto; Seiji Kawamura; Koji Nishimura
        IEICE Communications Express, 2017
      • Characteristics of Mesosphere Echoes over Antarctica Obtained Using PANSY and MF Radars
        Masaki Tsutsumi; Kaoru Sato; Toru Sato; Masashi Kohma; Takuji Nakamura; Koji Nishimura; Yoshihiro Tomikawa
        SOLA, 2017
      • Adaptive Sidelobe Cancellation Technique for Atmospheric Radars Containing Arrays with Nonuniform Gain
        Taishi Hashimoto; Koji Nishimura; Toru Sato
        IEICE TRANSACTIONS on Communications, Dec. 2016, Peer-reviewed
      • Quasi 12 h inertia-gravity waves in the lower mesosphere observed by the PANSY radar at Syowa Station (39.6 °E, 69.0 °S)
        Ryosuke Shibuya; Kaoru Sato; Masaki Tsutsumi; Toru Sato; Yoshihiro Tomikawa; Koji Nishimura; Masashi Kohma
        14 Nov. 2016
      • Vertical Wind Disturbances during a Strong Wind Event Observed by the PANSY Radar at Syowa Station, Antarctica
        Yoshihiro Tomikawa; Masahiro Nomoto; Hiroaki Miura; Masaki Tsutsumi; Koji Nishimura; Takuji Nakamura; Hisao Yamagishi; Takashi Yamanouchi; Toru Sato; Kaoru Sato
        Monthly Weather Review, 01 May 2015
      • Height and time characteristics of seasonal and diurnal variations in PMWE based on 1 year observations by the PANSY radar (69.0°S, 39.6°E)
        Takanori Nishiyama; Kaoru Sato; Takuji Nakamura; Masaki Tsutsumi; Toru Sato; Masashi Kohma; Koji Nishimura; Yoshihiro Tomikawa; Mitsumu K. Ejiri; Takuo T. Tsuda
        Geophysical Research Letters, 16 Apr. 2015
      • Meteor Trail Echo Rejection in Atmospheric Phased Array Radars Using Adaptive Sidelobe Cancellation
        Taishi Hashimoto; Koji Nishimura; Masaki Tsutsumi; Toru Sato
        JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY, Dec. 2014, Peer-reviewed
      • Program of the Antarctic Syowa MST/IS radar (PANSY)
        Kaoru Sato; Masaki Tsutsumi; Toru Sato; Takuji Nakamura; Akinori Saito; Yoshihiro Tomikawa; Koji Nishimura; Masashi Kohma; Hisao Yamagishi; Takashi Yamanouchi
        Journal of Atmospheric and Solar-Terrestrial Physics, Oct. 2014
      • 新しい南極昭和基地大型大気レーダー(PANSY)から見えるもの
        佐藤薫; 堤雅基; 佐藤亨; 中村卓司; 齊藤昭則; 冨川喜弘; 西村耕司; 山岸久雄; 山内恭
        天気, 2013
      • Adaptive Beamforming Technique for Accurate Vertical Wind Measurements with Multichannel MST Radar
        Koji Nishimura; Takuji Nakamura; Toru Sato; Kaoru Sato
        Journal of Atmospheric and Oceanic Technology, 01 Dec. 2012
      • The 2009-2010 MU radar head echo observation programme for sporadic and shower meteors: radiant densities and diurnal rates
        J. Kero; C. Szasz; T. Nakamura; D. D. Meisel; M. Ueda; Y. Fujiwara; T. Terasawa; K. Nishimura; J. Watanabe
        Monthly Notices of the Royal Astronomical Society, 01 Sep. 2012
      • A meteor head echo analysis algorithm for the lower VHF band
        J. Kero; C. Szasz; T. Nakamura; T. Terasawa; H. Miyamoto; K. Nishimura
        Annales Geophysicae, 02 Apr. 2012
      • First results from the 2009-2010 MU radar head echo observation programme for sporadic and shower meteors: the Orionids 2009
        J. Kero; C. Szasz; T. Nakamura; D. D. Meisel; M. Ueda; Y. Fujiwara; T. Terasawa; H. Miyamoto; K. Nishimura
        Monthly Notices of the Royal Astronomical Society, 01 Oct. 2011
      • Multistatic Radar Observation of a Fine-Scale Wind Field with a Coupling-Compensated Adaptive Array Technique
        Koji NISHIMURA; Tomoyuki HARADA; Toru SATO
        Journal of the Meteorological Society of Japan, 2010
      • Two-Dimensional Arrays Optimized for Wide-Scanning Phased Array Based on Potential Function Method
        Koji NISHIMURA; Toru SATO
        IEICE Transactions on Communications, 2009
      • Fine Scale 3D Wind Field Observation With a Multistatic Equatorial Atmosphere Radar
        Koji NISHIMURA; Eikoh GOTOH; Toru SATO
        Journal of the Meteorological Society of Japan, 2006
      • Adaptive sidelobe control for clutter rejection of atmospheric radars
        K. Kamio; K. Nishimura; T. Sato
        Annales Geophysicae, 29 Nov. 2004
      • High Sensitivity Radar-Optical Observations of Faint Meteors
        K. Nishimura; T. Sato; T. Nakamura; M. Ueda
        IEICE Transactions on Electronics, Dec. 2001, Peer-reviewed
      • Orbit Determination of Meteors Using the MU Radar
        Sato, T; T. Nakamura; K. Nishimura
        IEICE TRANSACTIONS on COMMUNICATIONS, Sep. 2000, Peer-reviewed

      Misc.

      • C164 PANSYレーダーで観測された成層圏対流圏風速擾乱の周波数スペクトル解析(中高緯度大気,一般口頭発表)
        南原 優一; 佐藤 薫; 堤 雅基; 佐藤 亨; 中村 卓司; 冨川 喜弘; 西村 耕司; 高麗 正史
        大会講演予講集, 2015
      • Imaging observation of Ionospheric Field Aligned Irregularities by the PANSY radar at Antarctic Syowa Station
        香川大輔; 橋本大志; 齊藤昭則; 西村耕司; 堤雅基; 佐藤亨; 佐藤薫
        日本地球惑星科学連合大会予稿集(Web), 2020
      • Imaging observation of Ionospheric Field Aligned Irregularities by the PANSY radar at Antarctic Syowa Station
        香川大輔; 橋本大志; 齊藤昭則; 西村耕司; 堤雅基; 佐藤亨; 佐藤薫
        地球電磁気・地球惑星圏学会総会及び講演会(Web), 2020
      • 南極昭和基地PANSYレーダーによる電離圏沿磁力線不規則構造のイメージング観測
        香川大輔; 橋本大志; 齊藤昭則; 西村耕司; 堤雅基; 佐藤亨; 佐藤薫
        地球電磁気・地球惑星圏学会総会及び講演会(Web), 2019
      • 南極昭和基地大型大気レーダー(39.6°E,69.0°S)による適応的信号処理を用いた電離圏非干渉性散乱と沿磁力線不均一の同時観測
        橋本大志; 齊藤昭則; 西村耕司; 堤雅基; 佐藤薫; 佐藤亨
        日本地球惑星科学連合大会予稿集(Web), 2019
      • Development of MU radar real-time processing system with adaptive clutter rejection
        Hiroyuki Hashiguchi; Takahiro Manjo; Mamoru Yamamoto; Koji Nishimura; Toru Sato; Taishi Hashimoto
        JpGU, May 2016
      • MUレーダー実時間アダプティブクラッター抑圧システムの開発
        橋口浩之; 万城孝弘; 山本衛; 佐藤亨; 西村耕司; 橋本大志
        日本気象学会2016年度春期大会, May 2016
      • 南極大型大気レーダーPANSY
        佐藤亨; 佐藤薫; 堤雅基; 中村卓司; 西村耕司; 冨川喜弘; 橋本大志; 山岸久雄; 山内恭
        B*plus 電子情報通信学会 通信ソサイエティマガジン, Jun. 2015
      • P114 赤道MUレーダーの観測角度範囲拡大のためのアンテナ配置に関する研究(ポスター・セッション)
        橋口 浩之; 寺田 凛太郎; 西村 耕司; 佐藤 亨; 山本 衛
        大会講演予講集, 2015
      • B152 南極大気精密観測に基づく地球気候変動機構に関する研究 : 第IX期南極地域観測事業重点研究観測計画(中層大気研究の最前線,専門分科会)
        佐藤 薫; 堤 雅基; 佐藤 亨; 中村 卓司; 齊藤 昭則; 冨川 喜弘; 西村 耕司; 高麗 正史; 西山 尚典; 江尻 省; 阿保 真; 川原 琢也; 水野 亮; 長浜 智生; 鈴木 秀彦
        大会講演予講集, 2015
      • D360 南極昭和基地大型大気レーダー(PANSY)による初期観測結果(中層大気,口頭発表)
        佐藤 薫; 堤 雅基; 佐藤 亨; 中村 卓司; 齊藤 昭則; 冨川 喜弘; 西村 耕司; 高麗 正史; 山岸 久雄; 山内 恭
        大会講演予講集, 2013
      • 南極昭和基地での中層・超高層大気観測の新展開
        中村卓司; 佐藤薫; 堤雅基; 山内恭; 佐藤亨; 冨川喜弘; 西村耕司; 江尻省; 阿保真; 津田卓雄; 川原琢也; 鈴木秀彦; 水野亮; 長濱智生; 山岸久雄; 行松彰; 高麗正史; 礒野靖子; 西山尚典; 松田貴嗣
        極域科学シンポジウム講演予稿集(CD-ROM), 2013
      • C170 Current Status of Program of the Antarctic Syowa MST/IS Radar (PANSY)
        佐藤 薫; 堤 雅基; 佐藤 亨; 中村 卓司; 齊藤 昭則; 冨川 喜弘; 西村 耕司; 山岸 久雄; 山内 恭
        大会講演予講集, 2012
      • C161 空間・周波数干渉計法とアレイアンテナ技術による対流圏イメージング(次世代WPRに向けて,ウィンドプロファイラの現状と将来,専門分科会)
        西村 耕司; 佐藤 亨; 佐藤 薫
        大会講演予講集, 30 Apr. 2011
      • A162 南極昭和基地大型大気レーダー計画の現状Current Status of Program of the Antarctic Syowa MST/IS Radar(PANSY)(スペシャル・セッション「国際極年(IPY)2007-2008の成果と将来展望」II)
        佐藤 薫; 堤 雅基; 佐藤 亨; 中村 卓司; 齊藤 昭則; 冨川 喜弘; 西村 耕司; 山岸 久雄; 麻生 武彦; 江尻 全機; 山内 恭
        大会講演予講集, 31 Oct. 2009
      • SuperDARN及びEISCATによる電離圏人工励起沿磁力線不規則構造の同時観測
        行松彰; 西村耕司; 小川泰信; 堤雅基; 佐藤夏雄; RIETVELD Mike T; WRIGHT Darren; YEOMAN Tim K; ROBINSON Terry R; LESTER Mark
        地球電磁気・地球惑星圏学会総会及び講演会予稿集(CD-ROM), 2009
      • SuperDARN及びEISCATによる電離圏人工励起沿磁力線不規則構造の観測(3)
        行松彰; 西村耕司; 小川泰信; 堤雅基; 佐藤夏雄; RIETVELD Mike T; DARREN Wright; YEOMAN Tim K; ROBINSON Terry R; LESTER Mark
        地球電磁気・地球惑星圏学会総会及び講演会予稿集(CD-ROM), 2008
      • 昭和基地における極域超高層大気観測体制の現状
        堤雅基; 山岸久雄; 宮岡宏; 門倉昭; 小川泰信; 行松彰; 岡田雅樹; 冨川喜弘; 佐藤薫; 佐藤亨; 齊藤昭則; 西村耕司; 山内恭; 麻生武彦; 江尻全機; 阿保真; 中村卓司; 川原琢也; 水野亮
        地球電磁気・地球惑星圏学会総会及び講演会予稿集(CD-ROM), 2008
      • A451 南極昭和基地大型大気レーダー計画Program of the Antarctic Syowa MST/IS Radar(PANSY)(南極大型大気レーダーを軸とした極域大気研究の可能性,専門分科会)
        佐藤 薫; 堤 雅基; 佐藤 亨; 齊藤 昭則; 冨川 喜弘; 西村 耕司; 山内 恭; 山岸 久雄; 麻生 武彦; 江尻 全機
        大会講演予講集, 2008
      • SuperDARN及びEISCATによる電離圏人工励起沿磁力線不規則構造の観測
        行松彰; 西村耕司; 小川泰信; 堤雅基; 佐藤夏雄; RIETVELD Mike T; WRIGHT Darren; YOEMAN Tim; LESTER Mark
        地球電磁気・地球惑星圏学会総会及び講演会予稿集(CD-ROM), 2007

      External funds: Kakenhi

      • Development of Radar Inversion Technologies for Small-Scale Weather Disturbances
        Grant-in-Aid for Scientific Research (B)
        Basic Section 21030:Measurement engineering-related
        Kyoto University
        西村 耕司
        From 01 Apr. 2020, To 31 Mar. 2025, Granted
        レーダー;大気レーダー;フェーズドアレイ気象レーダー;ウィンドプロファイラー;逆問題
      • 極域中間圏冬期エコーの生成解明を通して探る大気素過程の研究
        Grant-in-Aid for Scientific Research (B)
        National Institute of Polar Research
        堤 雅基
        From 01 Apr. 2017, To 31 Mar. 2020, Granted
        超高層物理学;極域中間圏;大気レーダー;大気波動;大気乱流;超高層大気物理学;南極
      • Development of cloud resolving dual-frequency radar
        Grant-in-Aid for Scientific Research (B)
        National Institute of Information and Communications Technology
        Masayuki Yamamoto
        From 01 Apr. 2014, To 31 Mar. 2017, Project Closed
        大気現象;自然現象観測・予測;リモートセンシング;気象学;計測工学
      • High precision observation of ionosphere and neutral wind with new SuperDARN imaging technique
        Grant-in-Aid for Scientific Research (B)
        National Institute of Polar Research
        Akira Sessai Yukimatu
        From 01 Apr. 2013, To 31 Mar. 2018, Project Closed
        極域科学;超高層物理学;電離圏・磁気圏;レーダー;SuperDARN;中性風;国際情報交換;イギリス・米国;磁気圏・電離圏;超高層大気環境;宇宙科学;リモートセンシング;イギリス:米国
      • Study on polar ionosphere and magnetosphere by SuperDARN radars with high temporal and spatial resolution observation
        Grant-in-Aid for Scientific Research (C)
        National Institute of Polar Research
        Akira Sessai YUKIMATU
        Project Closed
        地球惑星電離圏;SuperDARN;極域電磁圏;ドップラースペクトル;FAI;電離圏加熱;生時系列取得モード;周波数領域干渉計;デジタル受信機;電離層加熱
      list
        Last Updated :2022/06/29

        Education

        Teaching subject(s)

        • From 01 Apr. 2022, To 31 Mar. 2023
          Remote Sensing Engineering
          3646, Fall, Graduate School of Informatics, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Atmospheric Measurement Techniques
          3683, Fall, Graduate School of Informatics, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Fundamental Practice of Electrical & Electronic Engineering
          6119, Fall, Faculty of Engineering, 2
        • From Apr. 2021, To Mar. 2022
          Atmospheric Measurement Techniques
          Fall, 情報学研究科
        • From Apr. 2021, To Mar. 2022
          Remote Sensing Engineering
          Fall, 情報学研究科
        list
          Last Updated :2022/06/29

          Administration

          Faculty management (title, position)

          • From 01 Apr. 2021, To 31 Mar. 2022
            生存圏研究所MUレーダー/赤道大気レーダー共同利用・共同研究拠点専門委員会
          • From 01 Apr. 2021, To 31 Mar. 2022
            生存圏研究所男女共同参画推進委員会
          • From 01 Apr. 2021, To 31 Mar. 2022
            生存圏研究所安全衛生委員会
          • From 01 Apr. 2021, To 31 Mar. 2022
            生存圏研究所教育学生委員会

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