Cross-hole pulse propagation for a borehole radar

Motoyuki Sato, Rudolf Thierbach

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

Theoretical and measured DC pulse propagation of a borehole radar in a cross-hole mode is presented. Arrival times of measured signals are analyzed, and three modes of waves propagating among antennas and a suspending coaxial cable are determined. The first is a direct wave between antennas, the second is a guided wave on an outer surface of a logging cable, and the third is a directly coupled wave to the coaxial cable. Deformation of the radiation pattern due to the guided wave along a coaxial cable is shown. Loading ferrite cores on the cable reduces this guided wave.

Original languageEnglish
Pages (from-to)35-39
Number of pages5
JournalIEEE International Symposium on Electromagnetic Compatibility
Issue numberpt 1
Publication statusPublished - 1989 Dec 1
Event1989 International Symposium on Electromagnetic Compatibility - EMC'89 - Nagoya, Jpn
Duration: 1989 Sep 81989 Sep 10

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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