An overview of NQR signal detection algorithms

NR Butt, E Gudmundson, A Jakobsson - Magnetic Resonance Detection of …, 2013 - Springer
Nuclear quadrupole resonance (NQR) is a solid-state radio frequency spectroscopic
technique that can be used to detect the presence of quadrupolar nuclei, that are prevalent …

NQR-based explosives detection—An overview

E Gudmundson, A Jakobsson… - … Symposium on Signals …, 2009 - ieeexplore.ieee.org
Nuclear quadrupole resonance (NQR) is a radio frequency spectroscopic technique that can
be used to detect solid-state compounds containing quadrupolar nuclei, a requirement …

Detecting NQR signals severely polluted by interference

W Shao, J Barras, K Althoefer, P Kosmas - Signal Processing, 2017 - Elsevier
Abstract Nuclear Quadrupole Resonance (NQR) signal detection can be severely obstructed
by interference in real life settings, especially when the interference is strong, nonstationary …

Decision tree pattern recognition model for radio frequency interference suppression in NQR experiments

M Ibrahim, DJ Parrish, TWC Brown, PJ McDonald - Sensors, 2019 - mdpi.com
Radio frequency interference places a major limitation on the in-situ use of unshielded
nuclear quadrupole or nuclear magnetic resonance methods in industrial environments for …

Signal processing and analysis methods in nuclear quadrupole resonance spectroscopy

C Monea - Journal of Electrical Engineering, Electronics, Control …, 2018 - jeeeccs.net
The purpose of this paper is to review the signal processing and analysis methods applied
in nuclear quadrupole resonance (NQR) spectroscopy. NQR is a radio frequency …

Spectral descriptors and supervised classifier for ammonium nitrate detection in landmines by nuclear quadrupole resonance

L Cardona, H Itozaki, J Jiménez, N Vanegas… - Journal of Magnetic …, 2019 - Elsevier
The high specificity of Nuclear Quadrupole Resonance (NQR) makes it very suited for the
detection of antipersonnel mines, where the intensity of the signal spectrum around the …

14N NQR spectrometer for explosive detection: A review

P Hemnani, G Joshi, AK Rajarajan… - … on Automatic Control …, 2016 - ieeexplore.ieee.org
The explosive detection via NQR is based on presence of 14 N as all explosives usually
contain nitrogen. The detected nitrogen nuclei contained in explosives and other nitrogen …

A review of NQR signal processing and analysis techniques

C Monea - Journal of the Franklin Institute, 2020 - Elsevier
Nuclear quadrupole resonance is a solid-state spectroscopy technique used for detecting
compounds containing quadrupolar nuclei. Its advantages, such as high specificity and non …

A low-power compact nuclear quadrupole resonance (NQR) based explosive detection system

X Zhang - 2014 - digitalcommons.unl.edu
Abandoned landmines and terrorist bomb attacks are severe issues threatening our society.
These issues necessitate the development of prompt and accurate explosive detection …

Efficient removal of noise and interference in multichannel quadrupole resonance

NR Butt, A Jakobsson - 2011 Conference Record of the Forty …, 2011 - ieeexplore.ieee.org
We present an improved multichannel detection algorithm for use in nuclear quadrupole
resonance (NQR) applications. The presented method exploits spatial diversity and …