A hybrid dual-polarization GPR system for detection of linear objects

Hai Liu, Jianguo Zhao, Motoyuki Sato

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


To circumvent the polarization sensitivity of ground penetrating radar (GPR) in detecting a linear object, we propose a simple hybrid dual-polarization GPR system consisting of a circularly polarized spiral antenna for transmit and two orthogonally oriented Vivaldi antennas for receiving two linear polarizations. The hybrid combination of a spiral antenna with two Vivaldi antennas is demonstrated to operate in an ultrawideband, to have small antenna dispersion, and to possess favorable antenna isolation. The improved performance of the proposed GPR system over a conventional single-polarized one in detecting linear subsurface objects is indicated by a laboratory experiment in a sandpit. Moreover, the proposed system enables fully coherent dual-polarization measurements with a single transmitter.

Original languageEnglish
Article number6930712
Pages (from-to)317-320
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Publication statusPublished - 2015
Externally publishedYes


  • Antenna dispersion
  • antenna isolation
  • ground penetrating radar (GPR)
  • hybrid dual-polarization
  • linear object detection
  • ultrawideband (UWB)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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