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Using Spatial Diversity to Detect Narcotics and Explosives Using NQR Signals
Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering.
Karlstad University, Faculty of Technology and Science, Department of Physics and Electrical Engineering.
2007 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 55, no 9, 4721-4726 p.Article in journal (Refereed) Published
Abstract [en]

Nuclear quadrupole resonance (NQR) offers an unequivocal method of detecting hidden narcotics and explosives. Unfortunately, the practical use of NQR is restricted by the low signal-to-noise ratio (SNR) and means to improve the SNR are vital to enable a rapid, reliable and convenient system. In this correspondence, we develop two multichannel detectors to counter the typically present radio frequency interference. Numerical simulations indicate that the proposed methods offers a significantly improved robustness to uncertainties in the parameters detailing the examined sample.

Place, publisher, year, edition, pages
2007. Vol. 55, no 9, 4721-4726 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-25295DOI: 10.1109/TSP.2007.896287OAI: oai:DiVA.org:kau-25295DiVA: diva2:599073
Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2013-11-14Bibliographically approved

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Jakobsson, AndreasMossberg, Magnus
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