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Evaluation of gradient inhomogeneity in the optimal design of gradient coils

Authors
Journal
Magnetic Resonance Imaging
0730-725X
Publisher
Elsevier
Publication Date
Volume
14
Issue
2
Identifiers
DOI: 10.1016/0730-725x(95)02055-x
Keywords
  • Gradient Inhomogeneity
  • Optimal Design
  • Gradient Coils
Disciplines
  • Design

Abstract

Abstract The image distortion caused by gradient inhomogeneity was derived from the image equation of Fourier MR imaging. A measurement of gradient inhomogeneity was proposed based on the amount of image distortion. Using the proposed measurement of gradient inhomogeneity in the optimal design of a z-gradient coil reduced image distortion by 39–45% compared to a previously used figure of merit in gradient coil design.

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