Patent
Use of two or more sensors to detect different nuclear quadrupole resonance signals of a target compound
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TLDR
In this paper, the use of two or more sensors tuned to at least two different nuclear quadrupole resonance frequencies of a target compound to detect the different NQR signals greatly reduces the chance of misidentification, and thereby improves the performance of the system.Abstract:
The use of two or more sensors tuned to at least two different nuclear quadrupole resonance frequencies of a target compound to detect the different nuclear quadrupole resonance signals greatly reduces the chance of misidentification, and thereby improves nuclear quadrupole resonance detection system performance.read more
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References
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Journal ArticleDOI
The NMR phased array.
TL;DR: Methods for simultaneously acquiring and subsequently combining data from a multitude of closely positioned NMR receiving coils are described, conceptually similar to phased array radar and ultrasound and hence the techniques are called the “NMR phased array.”
Journal ArticleDOI
Dependence of the Pure Quadrupole Resonance Frequency on Pressure and Temperature
Journal ArticleDOI
A signal-to-noise calibration procedure for NMR imaging systems
TL;DR: A nuclear magnetic resonance (NMR) imaging system signal-to-noise calibration technique based on an NMR projection of distilled water in a cylindrical bottle is proposed, which can characterize any arrangement of rf coils in any magnetic field as signal to noise per ml times root Hz.
Journal ArticleDOI
Remote sensing by nuclear quadrupole resonance
Allen N. Garroway,M. L. Buess,Joel B. Miller,Bryan H. Suits,A.D. Hibbs,G.A. Barrall,R. Matthews,L.J. Burnett +7 more
TL;DR: The important physical principles behind the use of NQR for remote detection are outlined, areas of applicability are indicated, and results of field trials of a prototype landmine detection system are presented.
Journal ArticleDOI
A high-temperature superconducting receiver for nuclear magnetic resonance microscopy
R.D. Black,T.A. Early,Peter B. Roemer,Otward M. Mueller,Antonio Mogro-Campero,Larry Gene Turner,G. A. Johnson +6 more
TL;DR: A high-temperature superconducting-receiver system for use in nuclear magnetic resonance (NMR) microscopy is described, and it is demonstrated that thermal noise in the receiver coil is the factor that limits resolution.