Ground Penetrating Radar

UWB Sensor for Geological Surveys

A ground penetrating radar or a georadar is a minimal invasive geophysical locating method that makes hidden things in the ground visible using electromagnetic waves. Ilmsens has specialised in ultra-wideband measurements from 0 to 6 GHz. The more broadband is measured, the higher the resolution or localisation accuracy. Get the data you need using the Ilmsens ground penetrating radar (GPR) sensor.

Precise Determination Of Distances

Determine how deep the object is in the ground or at what depth the soil layer is changing

Differentiation of adjacent objects

Determine whether it is one larger object or two smaller objects close to each other

Non Destructive detection of:

  • Smallest movements
  • Smallest objects
  • Changes of layer or surface

Penetrates almost all materials

Except metal

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Related Projects

Geophysical exploration of building remains
Drone-Mounted Ground Penetrating Radar for Retrieval of Snowpack Properties
Landmine Detection with Ground Penetrating Radar

Technical Information

  • Use of ultra-wideband (0-6 GHz) à High resolution
  • Penetration depth up to a few meters
  • Real-time measurements (260 measurements / second)
  • Robust signal: With the transmitting power we use, we do not disturb others and can be disturbed neither  
  • Measurements directly up to the front of the antenna à The object can therefore be directly in front of the antenna
  • Use of the UWB pseudo-noise signal: High stability compared to the classical broadband measurement methods (e.g. pulse measurements)

Penetration depth depends on the used and allowed frequency range as well as the transmission power. The propagation speed is faster (e.g. dry soil) or slower (e.g. moist sand) depending on the permittivity ε (dielectric conductivity) of the material of the soil. Ilmsens different algorithms and test set-ups prevent the material property of the soil from affecting the results. In order to obtain accurate measurement results, we have to determine the permittivity ε precisely.


Application Examples

Building Ground

Located pipeline routes with GPR

Locate excavation pits or pipeline routes.

Archaeology

archaeologist finds objects with GPR

Detect building remains or objects.

Geophysics / Geology

Geophysical Investigations of the earth's crust with Georadar

Investigate under-ground utilities.

Agriculture

Finding vegetables in Agriculture with Ground Penetrating Radar

Find vegetables in soil or investigate the groundwater level.

Mine Detection

Located Landmines or other explosive devices with GPR

Locate Landmines or other explosive devices.

Material Investigations

Material Investigations of prestressed concrete with Ground Penetrating Radar

Examine prestressed concrete


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