Statements (56)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
remote sensing technology
geophysical method |
| gptkbp:advantage |
non-destructive
high resolution rapid data acquisition |
| gptkbp:alternativeName |
gptkb:GPR
ground radar subsurface radar |
| gptkbp:component |
gptkb:television_channel
control unit receiver Antenna display unit |
| gptkbp:dataProcessing |
involves migration algorithms
involves signal filtering requires specialized software |
| gptkbp:detects |
voids
buried objects changes in material properties cracks |
| gptkbp:frequency |
10 MHz to 2.6 GHz
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ground Penetrating Radar
|
| gptkbp:inventedBy |
gptkb:Dr._Hülsenbeck
1926 |
| gptkbp:limitation |
clay and saline soils attenuate signals
highly conductive soils reduce effectiveness |
| gptkbp:operates |
emitting electromagnetic waves
measuring reflected signals |
| gptkbp:output |
radargrams
3D subsurface images |
| gptkbp:penetration |
up to 40 meters (depending on soil conditions)
|
| gptkbp:regulates |
Federal Communications Commission (FCC) in the US
|
| gptkbp:relatedTo |
electromagnetic induction
magnetometry seismic reflection |
| gptkbp:resolution |
centimeter to meter scale
|
| gptkbp:surveyTypes |
borehole surveys
crosshole surveys surface surveys |
| gptkbp:usedBy |
gptkb:engineer
gptkb:law_enforcement gptkb:military archaeologists geologists construction industry environmental scientists |
| gptkbp:usedFor |
environmental studies
geological surveys archaeological investigations forensic investigations subsurface imaging concrete inspection detecting buried objects utility mapping |
| gptkbp:bfsParent |
gptkb:satellite
|
| gptkbp:bfsLayer |
4
|