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  • Imaging techniques based on the principles of nuclear magnetic resonance (NMR) are modern techniques for the study of chemical, biological and physical properties of substances. The most important are their applications in medical sciences. MR imaging of a specimen weighted with diffusion coefficients requires very accurate data on the time course of the gradient pulse. Diffusion coefficients are determined from the drop of the MR signal measured with and without the application of magnetic field gradients. From the accuracy point of view, the defined course of gradients plays an important role in the computation of coefficients. A minimum rise and fall times, a defined magnitude of the excited gradient of the magnetic field and a symmetry of positive and negative pulses (zero integral of pulses of the same magnitude and opposite polarities) are required. To characterize the time course of gradient pulses or either polarity, simple methods of their measurement has been developed and experimentally te
  • Imaging techniques based on the principles of nuclear magnetic resonance (NMR) are modern techniques for the study of chemical, biological and physical properties of substances. The most important are their applications in medical sciences. MR imaging of a specimen weighted with diffusion coefficients requires very accurate data on the time course of the gradient pulse. Diffusion coefficients are determined from the drop of the MR signal measured with and without the application of magnetic field gradients. From the accuracy point of view, the defined course of gradients plays an important role in the computation of coefficients. A minimum rise and fall times, a defined magnitude of the excited gradient of the magnetic field and a symmetry of positive and negative pulses (zero integral of pulses of the same magnitude and opposite polarities) are required. To characterize the time course of gradient pulses or either polarity, simple methods of their measurement has been developed and experimentally te (en)
  • Článek poisuje metodu měření časových průběhů magnetického pole MR metodami. Využívá se metod založených na měření okamžitého kmitočtu FId signálu. Vypočtený průběh magnetického pole je filtrován moderní metodou založenou na systémech s více vzorkovacími kmitočty, (cs)
Title
  • Measurements of time characteristics of the gradient magnetic field
  • Měření časových charakteristik gradientních magnetických polí (cs)
  • Measurements of time characteristics of the gradient magnetic field (en)
skos:prefLabel
  • Measurements of time characteristics of the gradient magnetic field
  • Měření časových charakteristik gradientních magnetických polí (cs)
  • Measurements of time characteristics of the gradient magnetic field (en)
skos:notation
  • RIV/00216305:26220/06:PU61525!RIV07-MSM-26220___
http://linked.open.../vavai/riv/strany
  • 1-6
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  • Z(MSM0021630516)
http://linked.open...vai/riv/dodaniDat
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  • 484605
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  • RIV/00216305:26220/06:PU61525
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  • gradient magnetic field, magnetic resonance (en)
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  • [C092170D92F9]
http://linked.open...v/mistoKonaniAkce
  • L'Institut Supérieur d'Electronique de Pari
http://linked.open...i/riv/mistoVydani
  • L'Institut Supérieur d'Electronique de Pari
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the International Workshop ISEP - UTEE 3. - 6. 9. 2006 Paris
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http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Bartušek, Karel
  • Gescheidtová, Eva
  • Kubásek, Radek
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • L'Institut Supérieur d'Electronique de Paris, Paris, France
https://schema.org/isbn
  • 80-214-3250-0
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  • 26220
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