By M. Krausa, H. Massong, P. Rabenecker, H. Ziegler (auth.), Hiltmar Schubert, Andrey Kuznetsov (eds.)
This ARW is the 3rd NATO-sponsored workshop on Explosives Detection and Humanitarian Demining. the former occasions have been • Detection and Destruction of Anti-Personnel Landmines Moscow, 1997 • Explosives Detection and Decontamination of our environment Prague, 1997. over the past decade utilized study in Humanitarian Demining has made growth to a couple expand, yet in response to the great initiatives of Demining and the inability of medical tools for functional detection of explosive units, examine actions are nonetheless of an identical significance than ever sooner than. touching on countermeasures opposed to terrorism the detection of explosives is among the keyfactors, however the functional functions should not enough solved. a world trade of analysis effects are accordingly pressing, to determine the main promising measures for software. The accident of this ARW and the bad catastrophe of recent York and Washington could display the significance of this job. as a result the explosive machine detection applied sciences could make an immense contribution to collective, kin and person defense. In built international locations, those applied sciences supply a robust deterrent and preventative degree opposed to terrorist threats. In much less constructed areas, they could increase person, institutional and country protection, lessening the lack of confidence that motivates many terrorists acts. The removal of landmine threats is only one of some ways of accomplishing this. even if our makes an attempt to satisfy the super tricky technical demanding situations posed by way of landmine and UXO infection are necessarily top us to new technological approaches.
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Extra resources for Detection of Explosives and Landmines: Methods and Field Experience
Gamma-rays are detected by a NaI(TI) crystal with dimensions: diameter l50mm x 100mm coupled to a photo multiplier. The detector is placed on a mobile platform (see Figure 6). The mobile installation is serviced by an electronic block, which was specially developed for use in various temperature and weather conditions. It includes programmable microprocessor, PC-connection, spectrometer with possibility to use nanosecond windows of gamma detection, and a battery power supply. Hardware and software allow to contineously monitor count rates of the ionization chamber, gammadetector, as well as the rate of coincidences.
O . - 100 1 ' . 43 MeV 385 ec ( 2cr over background): Figure 9. Calculated detection parameters for 85 g TNT located under 4cm ofsand by a device with D·T neutron generator with 108 rifsnelltroti fTii:ic without detection of the accompanying particles. 30 Explosives detection using portable neutron generator with associated a- particles detection, Set-up parameters - 10' neutron/sec. - TNT 85 g. 5 in dia. 5 em BGO crystall Passive shield - Tungsten, 40 em cone. 5 em', with 25 segments. Segmented u·portlcles Investigated area - 50 x 50 em'.
E. containing useful information, can be extracted and the signal to noise ratio of objects detected in A-scans or B-scans has been enhanced. In this context, the VUB has developed  a method for signal detection in A-scans using binary hypotheses test (signal is either background or useful), after having removed an averaged A-scan from the B-scan. The RUG has been investigating  the applicability of multi-resolution decomposition techniques to remove the background of GPR images with buried mines.
Detection of Explosives and Landmines: Methods and Field Experience by M. Krausa, H. Massong, P. Rabenecker, H. Ziegler (auth.), Hiltmar Schubert, Andrey Kuznetsov (eds.)