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Elektriskt system för detektion vid ballistiskt prov
Linköping University, Department of Electrical Engineering.
2004 (Swedish)Independent thesis Basic level (professional degree)Student thesis
Abstract [en]

The purpose of this thesis was to design an electrical system for use in a ballistic test at the Swedish National laboratory of forensic science (SKL). The detector unit would use four main parts: coilsystem, transmitter, reciever and indicator. The coilsystem would be based on a balanced system using three coils. One that creates a magneticfield and the other two will sense the differences when a metallobject is in the coilsystem.

This report starts out by investigating possible solutions for this specific task followed by a description of the physics that the metaldetector use. Then a description of the design of a scaled metaldetector model followed by testing and evalution. The results are then beeing used when the design and testing of the full scale detector. The possible solutions for the transmitter-, reciver- and indicator circuit are then beeing described and also simulated. Last in this report a evalution and suggestions of further improvments are presented.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2004.
LiTH-ISY-Ex, 279
Keyword [en]
Electronics, metalldetektering
Keyword [sv]
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-2542OAI: diva2:19877
Available from: 2004-10-05 Created: 2004-10-05

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