Radiation pattern of a borehole radar antenna

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To understand better how a borehole antenna radiates radar waves into a formation, this phenomenon is simulated numerically using the finite-difference, time-domain method. The simulations are of two different antenna models that include features like a driving point fed by a coaxial cable, resistive loading of the antenna, and a water-filled borehole. For each model, traces are calculated in the far-field region, and then, from these traces, radiation patterns are calculated. The radiation patterns show that the amplitude of the radar wave is strongly affected by its frequency, its propagation direction, and the resistive loading of the antenna.
Publication type Conference Paper
Publication Subtype Conference Paper
Title Radiation pattern of a borehole radar antenna
DOI 10.1117/12.462190
Volume 4758
Year Published 2002
Language English
Larger Work Title Proceedings of SPIE - The International Society for Optical Engineering
First page 68
Last page 73
Conference Title 9th International Conference on Ground Penetrating Radar
Conference Location Santa Barbara, CA
Conference Date 29 April 2002 through 2 May 2002
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