Method

Place

Detected object

Application frequency

Maksimum detection height

Acoustic-sesimic

Sand or soil

Plastic or mine cover

450 Hz sound wave

5 cm

GPR

Sand, clay and wet soil

Plastic or mine cover

1 - 5 GHz radio wave

20 cm

EMI

Sandy and clay soil

Metal mine cover

300 Hz - 2 GHz bandwidth secondary magnetic field

10 cm

IR

Sandy and soil with grass

Plastic or metal mine cover

3 MHz - 140 GHz band range infrared wave

5 mm - 20 cm

NQR

Mixed soil

Plastic or metal mine cover

0.5 MHz - 6 MHz band range radio wave

20 cm

TNA

Sandy soil

Plastic or metal mine cover with its explosive

10 - 14 MeV energy electronsr

20 cm

Neutron backscattering

Sandy and wet soil

Plastic or metal mine cover with its explosive

10 - 14 MeV energy neutrons

20 cm

X-ray backscattering

Dry soila

Plastic or metal mine cover with its explosive

150 keV energy X-raysı

3 cm

MAD

Soil, water and air

Plastic or metal mine cover

1 - 25 kHz band AC source

20 cm