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Abstract

The problem of the formation of subsurface images using stand-off forward looking radar is by far more severe than that of forming the radar images in the free-space. A subsurface image needs to be accurately focused taking into account both the refraction and dispersion of the wavefield. This paper presents a novel imaging algorithm specially tailored for subsurface sensing. A simple and effective characterization technique for the retrieval of the dielectric permettivity is outlined. The proposed soil characterization and subsurface imaging techniques are validated experimentally. Results show that the geometric distortion in the subsurface images due to the refraction and dispersion of the wavefields is successfully corrected.

The full article is available to subscribers online at: http://ieeexplore.ieee.org/lpdocs/epic03/RecentIssues.htm?punumber=36

Additional information

Authors: FORTUNY-GUASCH J, European Commission, Joint Research Centre, Institute for the Protection and the Security of the Citizen, Ispra (IT)
Bibliographic Reference: An article published in: IEEE Transactions on Geoscience and Remote Sensing, Vol 40, No 2, February 2002, pp 443-452
Record Number: 200214777 / Last updated on: 2002-05-24
Category: PUBLICATION
Original language: en
Available languages: en
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