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Proceedings Paper

Three-dimensional ground-penetrating radar imaging using synthetic aperture time-domain focusing
Author(s): Erik M. Johansson; Jeffrey E. Mast
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Paper Abstract

This paper discusses a three-dimensional synthetic aperture imaging technique based on time- domain focusing of pulse-echo radar data. We describe the basic image formation process, important data processing issues, and compensation for planar variations in the media. We present a high-resolution volumetric image reconstruction of a concrete test slab and show that we are able to identify steel reinforcing bars in the image. We conclude with a brief comparison of this imaging method with a technique based on diffraction tomography.

Paper Details

Date Published: 14 September 1994
PDF: 10 pages
Proc. SPIE 2275, Advanced Microwave and Millimeter-Wave Detectors, (14 September 1994); doi: 10.1117/12.186717
Show Author Affiliations
Erik M. Johansson, Lawrence Livermore National Lab. (United States)
Jeffrey E. Mast, Lawrence Livermore National Lab. (United States)

Published in SPIE Proceedings Vol. 2275:
Advanced Microwave and Millimeter-Wave Detectors
Satish S. Udpa; Hsiu C. Han, Editor(s)

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