Correction of distortions due to the pulsed magnetic field gradient‐induced shift in B 0  field by postprocessing | Zendy

Jehenson P. | Zendy; Syrota A. | Zendy

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Correction of distortions due to the pulsed magnetic field gradient‐induced shift in B 0 field by postprocessing

Author(s) -

Jehenson P.,

Syrota A.

Publication year - 1989

Publication title -

magnetic resonance in medicine

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.696

H-Index - 225

eISSN - 1522-2594

pISSN - 0740-3194

DOI - 10.1002/mrm.1910120212

Subject(s) - field (mathematics) , nuclear magnetic resonance , phase (matter) , sequence (biology) , pulse sequence , magnetic field , frequency shift , pulsed field gradient , physics , computer science , computational physics , chemistry , optics , mathematics , molecule , quantum mechanics , biochemistry , pure mathematics

Gradient pulses used in most localization techniques induce time‐dependent shifts in B 0 that strongly distort NMR signals. A postprocessing correction method requiring no additional hardware is proposed. The phase shift produced by the B 0 shift is calculated from a reference free induction decay (FID) and used to correct any FID acquired with the Same sequence. © 1989 Academic Press, Inc.

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