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 language | English |
|---|---|
| Pages (from-to) | 35-39 |
| Number of pages | 5 |
| Journal | IEEE International Symposium on Electromagnetic Compatibility |
| Issue number | pt 1 |
| Publication status | Published - 1989 Dec 1 |
| Externally published | Yes |
| Event | 1989 International Symposium on Electromagnetic Compatibility - EMC'89 - Nagoya, Jpn Duration: 1989 Sep 8 → 1989 Sep 10 |
ASJC Scopus subject areas
- Condensed Matter Physics
- Electrical and Electronic Engineering