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Detection and Classification of Liquid Explosives Using NMR
Dept. of IT, Uppsala University.
Lund University.
King's College London.
King's College London.
2009 (English)In: 2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, 2009, 3053-3056 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this work, we present a novel method for non-invasive identification of liquids, for instance to allow for the detection of liquid explosives at airports or border controls. The approach is based on a nuclear magnetic resonance technique with an inhomogeneous magnetic field, forming estimates of the liquid's spin-spin relaxation time, T(2), and diffusion constant, D, thereby allowing for a unique classification of the liquid. The proposed detectors are evaluated using both simulated and measured data sets.

Place, publisher, year, edition, pages
2009. 3053-3056 p.
Series
International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149
Keyword [en]
detection of liquid explosives, classification, nuclear magnetic resonance
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-47551DOI: 10.1109/ICASSP.2009.4960268ISI: 000268919201303ISBN: 978-1-4244-2353-8 (print)OAI: oai:DiVA.org:kth-47551DiVA: diva2:455642
Conference
IEEE International Conference on Acoustics, Speech and Signal Processing, Taipei, TAIWAN, APR 19-24, 2009
Note
QC 20111115Available from: 2011-11-10 Created: 2011-11-10 Last updated: 2011-11-15Bibliographically approved

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CiteExportLink to record
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