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Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [ 1 ]
Ground-penetrating radar is one of the most popularly used near-surface geophysics in forensic archaeology, forensic geophysics, geotechnical investigation, treasure hunting, and hydrogeology, with typical penetration depths down to 10 m (33 ft) below ground level, depending upon local soil and rock conditions, although this depends upon the ...
In general, radar systems perform foliage and ground penetration more effectively with lower frequencies, because longer wavelengths can penetrate opaque structures deeper than shorter wavelengths. [ 11 ] [ 12 ] But in exchange for greater penetration capabilities, the lower frequencies provide a lower image resolution .
The frequency range for this type of ground penetrating radar equipment is 10-2300 MHz with a peak frequency between 100 and 1000 MHz and pulse duration of 0.2 to 4.0 ns. More than 50,000 lineal feet of data can be collected and stored in the US Radar unit before being transferred via USB port to a Windows-based operating system that processes ...
The Cassini radar was a multimode system and could operate as Synthetic Aperture Radar, radar altimeter, scatterometer and radiometer. Sounding radars: these are low-frequency (normally, HF - 3 to 30 MHz - or lower) ground-penetrating Radars, used to acquire data about the planet sub-surface structure. Their low operating frequency allow them ...
In a glimpse into the future of archeology, researchers have used ground-penetrating radar to map an entire ancient Roman city, detecting remarkable details of buildings still deep underground ...
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