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J Magn Reson. 2004 Dec;171(2):324-9 doi: 10.1016/j.jmr.2004.09.005.

Analysis of the magic asymmetric gradient stimulated echo sequence with shaped gradients

Sun PZ, Smith SA, Zhou J.

Abstract

Recently a 13-interval magic asymmetrical gradient stimulated echo (MAGSTE) sequence has been proposed for accurate displacement measurements in the presence of spatially varying background gradients. In this paper, the commonly used trapezoidal and sine shaped gradients are studied for the MAGSTE sequence, and the magic asymmetrical gradient ratio and b-factor are provided. The derivation enables the MAGSTE sequence to be implemented on systems with non-negligible gradient rise times.

PMID: 15546759
PubMed Entry
| MGH/HST Martinos Center for Biomedical Imaging

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