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Measurement Science and TechnologyVolume 25, Issue 5, May 2014, Article number 055103

Broadband mode in proton-precession magnetometers with signal processing regression methods(Article)

  • Denisov, A.Y.,
  • Sapunov, V.A.,
  • Rubinstein, B.
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  • aQuantum Magnetometry Laboratory, Ural Federal University after First President of Russia B N Yeltsin, Mira St., 19, Yekaterinburg 620002, Russian Federation
  • bStowers Institute for Medical Research, 1000 E 50th St, Kansas City, MO 64110, United States

Abstract

The choice of the signal processing method may improve characteristics of the measuring device. We consider the measurement error of signal processing regression methods for a quasi-harmonic signal generated in a frequency selective device. The results are applied to analyze the difference between the simple period meter processing and regression algorithms using measurement cycle signal data in proton-precession magnetometers. Dependences of the measurement error on the sensor quality factor and frequency of nuclear precession are obtained. It is shown that regression methods considerably widen the registration bandwidth and relax the requirements on the magnetometer hardware, and thus affect the optimization criteria of the registration system. © 2014 IOP Publishing Ltd.

Author keywords

magnetic resonancemagnetometerregression algorithmsignal processingzero-crossing problems

Indexed keywords

Engineering controlled terms:Magnetic resonanceMagnetometersMeasurement errorsOptimizationProcessingRegression analysis
Engineering uncontrolled termsFrequency-selective devicesHarmonic signalsMeasuring deviceOptimization criteriaRegistration systemsRegression algorithmsRegression methodZero-crossings
Engineering main heading:Signal processing
  • ISSN: 09570233
  • CODEN: MSTCE
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1088/0957-0233/25/5/055103
  • Document Type: Article
  • Publisher: Institute of Physics Publishing


© Copyright 2017 Elsevier B.V., All rights reserved.

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