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Signal Processing Techniques for Detection of Buried Landmines using Ground Penetrating Radar

H. Brunzell-1998-01-01-Chalmers Publication Library (Chalmers University of Technology)
17

TL;DRAbstract

The present thesis deals with the problem of detecting and classifying buried objects. The application in mind when addressing this problem is the detection of buried landmines. According to the International Committee of the Red Cross, about 100 million landmines are buried in 62 countries around the world. Modern landmines are to a large extent made out of plastic and ceramic materials. This makes detection with traditional sensors, such as metal detectors and magnetometers almost impossible. Another problem with these sensors is the high false alarm rate induced by metallic debris from exploded bomb shells. A sensor type that may have the capability to overcome these problems is the impulse radar. The impulse radar can detect non-metallic objects buried in the ground. The large bandwidth of the radar also gives additional information that can be used for classification purposes. The classification abilities enable discrimination between mines and stones and metallic debris, thus red

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The present thesis deals with the problem of detecting and classifying buried objects. The application in mind when addressing this problem is the detection of buried landmines. According to the International Committee of the Red Cross, about 100 million landmines are buried in 62 countries around the world. Modern landmines are to a large extent made out of plastic and ceramic materials. This makes detection with traditional sensors, such as metal detectors and magnetometers almost impossible. Another problem with these sensors is the high false alarm rate induced by metallic debris from exploded bomb shells. A sensor type that may have the capability to overcome these problems is the impulse radar. The impulse radar can detect non-metallic objects buried in the ground. The large bandwidth of the radar also gives additional information that can be used for classification purposes. The classification abilities enable discrimination between mines and stones and metallic debris, thus red

Keywords

RadarRemote sensingConstant false alarm rateImpulse (physics)Computer scienceGround-penetrating radarFalse alarmEngineering

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