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Study on estimation method of vertical propagation velocity spectrum of underground soil by remote sensing

Research Project

Project/Area Number 16K06407
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Measurement engineering
Research InstitutionJapan Aerospace EXploration Agency

Principal Investigator

Nishibori Toshiyuki  国立研究開発法人宇宙航空研究開発機構, 研究開発部門, 主幹研究開発員 (80280361)

Co-Investigator(Kenkyū-buntansha) 宮本 英昭  東京大学, 大学院工学系研究科(工学部), 教授 (00312992)
植松 明久  国立研究開発法人宇宙航空研究開発機構, 研究開発部門, 主任研究開発員 (00450685)
真鍋 武嗣  大阪府立大学, 工学(系)研究科(研究院), 客員研究員 (50358991)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords地中レーダ / レーダサウンダー / レーダ散乱計 / CMP / リモートセンシング
Outline of Final Research Achievements

In this study, assuming the case of conducting underground exploration from a distance away from a planetary probe using radar, the refraction of electromagnetic waves in the underground medium is calculated, and the reflection point directly below the probe is calculated. We verified the remote CMP method to obtain the vertical propagation velocity spectrum by the correlation with the delay profiles due to the change of the propagation distance to the spacecraft. To verify this idea, we tried to calculate the vertical distribution of the propagation velocity spectrum of the medium by remote sensing from a place away from the soil using a multi-layer simulated soil in a laboratory environment. As a result, we were able to show that this method is effective.

Academic Significance and Societal Importance of the Research Achievements

等を用いて遠隔から地下内部探査を行う計画が存在しなかったため,CMP法の学術的な研究の進展が見られなかった.本研究により,新しいリモートCMP法による地中の電波伝搬スペクトルの測定が遠隔から可能になれば,探査機による火星衛星の地下内部探査に貢献出来るだけでなく,地球観測における航空機搭載用地下レーダサウンダ等による地下探査での応用も期待出来る.

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (4 results)

All 2019 2018 2017

All Presentation (4 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Presentation] Detection and Identification of Buried Target Objects based on Multi-Angle Bi-Static GroundPenetrating Rader Experiment with Synthetic Aperture Radar Technique2019

    • Author(s)
      Akihisa Uematsu, Toshiyuki Nishibori, Takuji Arima
    • Organizer
      SPIR remote sensing 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Detection and Identification of Buried Target Objects based on Multi-Angle Bi-Static Ground Penetrating Rader Experiment with Synthetic Aperture Radar Technique2019

    • Author(s)
      Akihisa Uematsu, Toshiyuki Nishibori, Takuji Arima
    • Organizer
      SPIE Remote Sensing 2019
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Radar sounder for exploration of ices below the surface of the Mars and the Moon2018

    • Author(s)
      A. Kumamoto, T. Usui, H. Kurokawa, R. Noguchi, S. Azuma, K. Ishiyama, F. Tsuchiya, N. Terada, H. Miyamoto, T. Nishibori, T. Iwata, M. Ozaki, K. Seki, A. Yamazaki, M. Ohtake
    • Organizer
      第19回惑星圏研究会
    • Related Report
      2017 Research-status Report
  • [Presentation] P/L帯フルポラリメトリックレーダ散乱計を用いた表層・地下情報識別法に関する研究2017

    • Author(s)
      西堀俊幸
    • Organizer
      第1回極限環境電磁波センシング研究施設ワークショップ
    • Place of Presentation
      東北大学サイバーサイエンスセンター
    • Year and Date
      2017-02-14
    • Related Report
      2016 Research-status Report
    • Invited

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Published: 2016-04-21   Modified: 2021-02-19  

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