Wideband Loaded Bicone Antennas for GPR Applications

Stephen Pennock, Christopher Jenks

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

2 Citations (SciVal)


The bicone antenna is known for its wideband applications. Past
publications and development of this type of antenna concentrate on
radiating into the air. For GPR use the antenna needs to radiate into
the ground. In this work the effect of dielectric loading of the antenna
to produce a better match to the ground is investigated. This is
developed for both traditional GPR schemes where transmit and receive
antennas are placed at or near the surface of the ground, and for the
more novel in-pipe deployment where a transmitter or receiver antenna
are placed in a buried pipe. Dielectric loading is seen to be beneficial
in both Finite Difference Time Domain theoretical analyses and in
measurements. While with optimal dielectric loading there is seen to be
a benefit in reducing the direct signal between the transmitter and
receiver antennas, multiple reflections within an array of dielectric
loaded bicone antennas appears to present largely similar problems as an
unloaded array.
Original languageEnglish
Title of host publicationProceedings of the 2014 15th International Conference on Ground Penetrating Radar (GPR 2014)
Place of PublicationBelgium
ISBN (Electronic)978-1-4799-6789-6
Publication statusPublished - Jun 2014


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