Analysis of directional borehole radar measurement data

T. Takayama, M. Sato, J. H. Kim

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

We developed a new directional borehole radar system with an array of optical electric field sensors as receivers. The system was tested in a field test site in order to assert its ability to detect three dimensional (3D) location of a subsurface tunnel. In this paper, the result is shown with a comparison to a result obtained by RAMAC directional borehole radar system. It is found that the optical electric field sensors are able to obtain highly coherent signals, that is necessary for the accurate estimation of a target azimuth direction, over the RAMAC system. The mutual coupling effect that deteriorates the coherence is also discussed. The azimuth estimation of the subsurface tunnel, which is located 5.5m apart from the tunnel, showed good agreement with the actual direction to an error of within 10 degree.

本文言語English
ホスト出版物のタイトルProceedings of the 2007 4th International Workshop on Advanced Ground Penetrating Radar, IWAGPR 2007
ページ32-35
ページ数4
DOI
出版ステータスPublished - 2007 12 1
イベント4th International Workshop on Advanced Ground Penetrating Radar, IWAGPR 2007 - Naples, Italy
継続期間: 2007 6 272007 6 29

出版物シリーズ

名前Proceedings of the 2007 4th International Workshop on Advanced Ground Penetrating Radar, IWAGPR 2007

Other

Other4th International Workshop on Advanced Ground Penetrating Radar, IWAGPR 2007
国/地域Italy
CityNaples
Period07/6/2707/6/29

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 地盤工学および土木地質学
  • 電子工学および電気工学
  • 通信

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