Effects of different rocks surrounding monostatic pulse radar in a borehole on the length of PMC coating along the connection cable

Author

Ji-Hyun Jung ; Se-Yun Kim

Author_Institution

Imaging Media Res. Center, Korea Inst. of Sci. & Technol., Seoul, South Korea

fYear

2014

fDate

2-5 Dec. 2014

Firstpage

305

Lastpage

306

Abstract

The signals of monostatic pulse radar in a water-filled borehole surrounded by horizontally layered rocks are numerically calculated using the finite-difference time-domain method (FDTD). In two cases of horizontally layered rocks, unwanted radar signals caused by interactions between borehole guided waves supported by the connection cable and horizontally layered rocks are calculated. Then, suppression of unwanted radar signal is analyzed here depending on the finite length of perfect magnetic conductor (PMC) coating along the connection cable of the radar.

Keywords

coatings; drilling (geotechnical); radar; radiowave propagation; rocks; PMC coating along; borehole guided wave; connection cable; finite difference time-domain method; finite length; horizontally layered rocks; monostatic pulse radar; perfect magnetic conductor coating; unwanted radar signals; water filled borehole; Coatings; Dielectrics; Finite difference methods; Radar imaging; Rocks; Time-domain analysis; Borehole; finite-difference time-domain (FDTD); monostatic; pulse radar;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (ISAP), 2014 International Symposium on

Conference_Location

Kaohsiung

Type

conf

DOI

10.1109/ISANP.2014.7026652

Filename

7026652