GPR


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GPR

(Ground Penetrating Radar) A UWB-based technology that locates objects buried underground. It is used to locate buried lines, storage tanks, pipes and conduits as well as to determine the structural integrity of the ground underneath a road or runway. It is also used in archaeological exploration. GPR imaging is done by fire and rescue services, law enforcement agencies and various commercial and scientific organizations. See UWB.


A GPR Image
Leesburg, Virginia-based GeoModel is an underground locating service that uses GPR to find buried objects. This image, obtained using a 400 MHz antenna, shows where underground tanks are located at a service station in Orlando, Florida. (Image courtesy of GeoModel, Inc., www.geomodel.com)
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Besides these limitations, GPR can provide the forensic experts with necessary information to achieve successful results, and thus considered one of the recently implemented method in criminological investigations (Mellet, 1992; Pringle et al., 2008; Ruffell and McKinley, 2005; Ruffell et al.
As with other imaging technologies, the real improvements in GPR in recent years have been in the software for making sense of the collected data, rather than in hardware, says David Dickins, project manager of the SINTEF experiment.
"The MGB uses the GPR device to help us detect groundwater movement and helps us to find buried pipelines used by establishments to illegally discharge untreated wastewater into Panglao's coastal waters," Gonzales added.
The GPR uses electromagnetic waves to detect objects underground and results are transmitted to a receiver, where they are stored.
According to the website of Egypt's (http://english.ahram.org.eg/NewsContent/9/40/298932/Heritage/Ancient-Egypt/New-survey-confirms-no-hidden-Nefertiti-chamber-in.aspx) Al-Ahram newspaper , which has a copy of the experts' report, Francesco Porcelli of the Polytechnic University of Turin, head of the Italian scientific team, said: "It is concluded, with a very high degree of confidence, that the hypothesis concerning the existence of hidden chambers or corridors adjacent to Tutankhamun's tomb is not supported by the GPR data."
* Total Revenue for Student Housing stands at 97.6 percent of GPR, in line with conventional apartments.
The deep CNN improves the accuracy of the target detection of GPR images and the versatility of the approach.
Although GPR technology has developed for detection of tree trunk abnormalities, its routine application for evaluation of wood remains minimal and incomprehensive.
The scanned GPR results were stored in a computer completed by IDS in the GPR set.
In addition to improving the understanding of karst processes, this study provides a thorough analysis of the usefulness of GPR in locating, analysing and characterizing voids in the Castile Formation.
"That work will include the use of ground-penetrating radar (GPR) and there will also be some excavation work that will be undertaken following the GPR work under way at the moment."