Correcting linear field inhomogeneities
2000
A method for correcting linear field inhomogeneities in a magnetic resonance apparatus. After an excitation pulse and application of a phase gradient in a predetermined direction, a data point is taken after a fixed, predetermined time t d . This is repeated for systematically changed strengths of the phase gradient and constant t d . The phase gradient with maximum measuring signal corresponds to a field correction gradient in the corresponding direction.
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