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2008 Fiscal Year Final Research Report

Development of the directional borehole radar with the dipole array antenna fed by coaxial cables for wide detectable range.

Research Project

  • PDF
Project/Area Number 19560814
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Earth system and resources enginnering
Research InstitutionOsaka Electro-Communication University

Principal Investigator

EBIHARA Satoshi  Osaka Electro-Communication University, 工学部, 准教授 (20301046)

Project Period (FY) 2007 – 2008
Keywordsボアホールレーダ / 指向性 / アレーアンテナ / イメージング
Research Abstract

坑井から数十m以内に存在するき裂や断層の3次元イメージングを可能にする指向性ボアホールレーダを開発した。ダイポールアレーアンテナを同軸ケーブルで給電し、到達時間差で波の到来方向を推定するレーダシステムである。導体円柱とアンテナ間の干渉の度合いを定量化することに成功し、これを用いてアンテナの設計手法を確立した。この設計法では坑井の影響であるボアホール効果が十分に考慮されている。フィールド実験では6m離れた位置に存在する波源の方向を推定でき、設計手法の有効性を実証した。

  • Research Products

    (8 results)

All 2009 2008 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (5 results) Remarks (1 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Analysis of Eccentered Dipole Antenna for Borehole Radar2009

    • Author(s)
      S. Ebihara and Y. Inoue
    • Journal Title

      IEEE Transaction on Geoscience and Remote Sensing vol. 47, no. 4

      Pages: 1073-1088

    • Peer Reviewed
  • [Presentation] Designing Dipole Array Antenna Fed by Coaxial Cables for Directional Borehole Radar2009

    • Author(s)
      S. Ebihara and H. Hanaoka
    • Organizer
      Proceedings of the 5th International Workshop on Advanced Ground Penetrating Radar, pp. 2-6
    • Place of Presentation
      Granada, Spain
    • Year and Date
      20090527-29
  • [Presentation] Influence of Eccentricity of Sonde on Direct Wave in Singlehole Borehole Radar2009

    • Author(s)
      S. Ebihara, A. Sasakura and T. Takemoto
    • Organizer
      Proceedings of the 5th International Workshop on Advanced Ground Penetrating Radar, pp. 93-97
    • Place of Presentation
      Granada, Spain
    • Year and Date
      20090527-29
  • [Presentation] Borehole Effect for Eccentered Radar Sonde2008

    • Author(s)
      S. Ebihara, Y. Inoue and A. Sasakura
    • Organizer
      Proceedings of the 12th International Conference on Ground Penetrating Radar, 7 pages, on CD
    • Place of Presentation
      University of Birmingham, United Kingdom
    • Year and Date
      20080615-19
  • [Presentation] Estimation of Electromagnetic Parameters by Linear Dipole Array in a Borehole2008

    • Author(s)
      H. Hanaoka, S. Ebihara, M. Note, and T. Nakatsuka
    • Organizer
      Proceedings of the 12th International Conference on Ground Penetrating Radar, 5 pages, on CD
    • Place of Presentation
      University of Birmingham, United Kingdom
    • Year and Date
      20080615-19
  • [Presentation] Criterion for Estimation by Reflection Measurement with Array-type Directional Borehole Radar2008

    • Author(s)
      S. Ebihara, T. Ohnoki, R. Shinoda and Y. Kishimoto
    • Organizer
      Proceedings of the 12th International Conference on Ground Penetrating Radar, 6 pages, on CD
    • Place of Presentation
      University of Birmingham, United Kingdom
    • Year and Date
      20080615-19
  • [Remarks]

    • URL

      http://www.osakac.ac.jp/labs/ebihara/Japanese/index.htm

  • [Patent(Industrial Property Rights)] 三次元位置推定システム、及び、ダイポールアレイアンテナ2009

    • Inventor(s)
      海老原聡
    • Industrial Property Rights Holder
      海老原聡
    • Industrial Property Number
      特許権,2009-004685
    • Filing Date
      2009-01-13

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Published: 2010-06-10   Modified: 2016-04-21  

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