Title Robust NQR Signal Detection
Authors Samuel Somasundaram, Andreas Jakobsson, Erik Gudmundson
Full-text Available as PDF, Restricted Access
Alternative Location http://dx.doi.org/10.1109/I..., Restricted Access
Publication 2007 IEEE International Conference on Acoustics, Speech and Signal Processing
Year 2007
Volume 3
Pages III-733 - III-736
Document type Conference paper
Conference name 2007 IEEE International Conference on Acoustics, Speech and Signal Processing
Conference Date 2007-04-15
Conference Location Honolulu
Status Published
Quality controlled Yes
Language eng
Abstract English Nuclear quadrupole resonance (NQR) is a spectroscopic technique that can be used to detect many high explosives and narcotics. Unfortunately, the measured signals are weak, thereby inhibiting the widespread use of the technique. Current state-of-the-art detectors, which exploit realistic NQR data models, assume that the complex amplitudes of the NQR signal components are known, to within a multiplicative constant. However, these amplitudes are typically prone to some level of uncertainty, thus leading to performance loss in these algorithms. Herein, we develop a frequency selective algorithm, robust to uncertainties in the assumed amplitudes, that offers a significant performance gain over current state-of-the art techniques
Keywords robust methods, nuclear quadrupole resonance, Signal detection,
ISBN/ISSN/Other ISSN: 1520-6149
ISBN: 1-4244-0727-3

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