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Géoradar-principes et applications

Abstract : Georadar is a nondestructive technique for subsurface exploration, based on the use of high-frequency electromagnetic waves. Used in a large number of applications (civil engineering, archeology, mine detection, glaciology), georadar is based on the transmission of electromagnetic pulses by means of an antenna in the subsurface, where they are propagated and reflected. The signals from the reflections generated by the dielectric contrasts reflect the structure and dielectric properties of the soil. The movements of the radar at the surface provide radar traces, which, when juxtaposed, give a vertical cross section of the subsurface. The most widely used direct models and inversion methods for georadar are presented, with their scope of validity and examples of applications.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-01740104
Contributor : Fayçal Rejiba <>
Submitted on : Wednesday, March 21, 2018 - 3:49:00 PM
Last modification on : Thursday, September 24, 2020 - 4:00:35 PM

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  • HAL Id : hal-01740104, version 1

Citation

Florence Sagnard, Fayçal Rejiba. Géoradar-principes et applications. Techniques de l'Ingenieur, Techniques de l'ingénieur, 2010, pp.TE 5 228, 1-15. ⟨hal-01740104⟩

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