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Gradient Magnetic Field Measuring Method Using MR Technique with Spin Echo Series
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SYSNO ASEP 0100014 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Gradient Magnetic Field Measuring Method Using MR Technique with Spin Echo Series Title Metody měření gradientů magnetického pole technikou magnetické resonance využívající série spinových ech Author(s) Bartušek, Karel (UPT-D) RID, ORCID, SAI
Geschneidtová, E. (CZ)Source Title PIERS 2004 - Progress in Electromagnetics Research Symposium. - Pisa : University of Pisa, 2004 - ISBN 88-8492-268-2 Pages s. 89-92 Number of pages 4 s. Action PIERS 2004 Progress in Electromagnetics Research Symposium Event date 28.03.2004-31.03.2004 VEvent location Pisa Country IT - Italy Event type WRD Language eng - English Country IT - Italy Keywords NMR ; gradient magnetic field ; MR tomography Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects IAA2065201 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) Annotation Our basic idea of the MR gradient measurement method described is to acquire the MR signal after a selective excitation of a thin layer of the specimen and after the end of a gradient pulse. At this point, the time gradient characteristic is proportional to the instantaneous frequency of the MR signal, which has a small signal to noise (S/N) ratio. This method gives us the possibility to measure the characteristics of the pulse gradient magnetic field with a high accuracy and to compute the preemphasis constants. These time characteristics must be measured very exactly for a sufficiently long time Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2005
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