The Gopher Antenna - A New Efficient Design for Ground Penetrating Radar

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Abstract

In this article, we propose a new design we call the “Gopher antenna”: a patch antenna structure which does not require a resistive load and is therefore more efficient than the current ground-penetrating radar (GPR) antennas. When tested, it works well in a GPR application as low as approximately -25 dB of the application’s original transmit power. The Gopher antenna also meets the general requirements for the GPR antennas: a received wide spectrum and a good impulse response. Departing from the common designs (bow-tie dipoles and horn/Vivaldi structures), the Gopher antenna is a patch-antenna structure consisting of a quarter-wave feeder and a parasitic half-wave patch with no resistive load. The Gopher antenna has a directive radiation pattern, a good impulse response without distortion, a reasonable cross-polarization ratio, and a good radiated spectrum also when placed on the ground.
Original languageEnglish
Title of host publicationInternational Workshop on Advanced Ground Penetrating Radar
Place of PublicationNetherlands
PublisherEAGE
Number of pages4
DOIs
Publication statusPublished - 2019
MoE publication typeA4 Article in a conference publication
EventInternational Workshop on Advanced Ground Penetrating Radar - The Fokker Terminal, Hague, Netherlands
Duration: 8 Sep 201912 Sep 2019
Conference number: 10
https://eage.eventsair.com/near-surface-geoscience-2019/iwagpr

Publication series

NameProceedings
ISSN (Electronic)2214-4609

Workshop

WorkshopInternational Workshop on Advanced Ground Penetrating Radar
Abbreviated titleIWAGPR
CountryNetherlands
CityHague
Period08/09/201912/09/2019
Internet address

Keywords

  • Antenna
  • Patch antenna
  • UWB
  • GPR
  • Ground peneterating radar

Field of art

  • Design

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