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4. Signal processing
4.1 Objectives and precautions
The aim of the methods used to process the raw data acquired by georadar is to obtain an interpreted image that reveals the classification of targets or the geometric and/or physical characteristics of the subsurface. Most of the most widely used processing methods have been borrowed from the fields of seismic . However, processing methods developed for scalar waves must be used with care and adapted to each site studied. The electromagnetic field is vectorized and polarized, and...
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Signal processing
A few examples of applications
Bibliography
Scientific journals and newspapers
Journals of the AGU, American Geophysical Union (Geophysics...) http://www.agu.org/
Journals of the EAGE, European Association of Geoscientists and Engineers (Near Surface, Geophysical Prospecting...) http://www.eage.org/
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Software tools
GPRMax http://www.gprmax.com/
REFLEXW http://www.sandmeier-geo.de/index.html
EMPIRE (IMST) http://www.empire.de/
Websites
Georadar course http://phineas.u-strasbg.fr/marquis/Enseignement/Public/Master/Radar.ppt
General information on georadar http://clu-in.org/char/technologies/gpr.cfm
Events
International Conference on Ground Penetrating Radar (GPR), held every two years (last in 2016)
International Workshop on Advanced Ground Penetrating Radar (IWAGPR), held every two years (last in June 2015).
Standards and norms
- Electromagnetic compatibility and Radio spectrum Matters (ERM) ; Short Range Devices (SRD) ; Ground- and Wall-Probing Radar applications ; Part 1 : Technical characteristics and test methods - ETSI EN 302 066-1 -
- Electromagnetic compatibility and Radio spectrum Matters (ERM) ; Short Range Devices (SRD) ; Ground- and Wall-Probing Radar applications ; Part 2 : Harmonized EN under article 3.2 of the R Directive -...
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Manufacturers – Suppliers
The four main industrial manufacturers of surface georadar are GSSI in the USA (SIR10 (1990), SIR20 (2001), SIR2000 (1998), SIR3000 (2002), Profiler (2007) systems), Sensors & Software in Canada (RAMAC/GPR system), Mala in Sweden (pulseEKKO PRO system) and IDS in Italy (RIS system). They sell complete radar systems in the [15 MHz; 2.5 GHz] band for GSSI, in the [12.5 MHz; 1.2 GHz] band...
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