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Multi-shot echo planar imaging using reordered segments and RF excitation pulse phase and slice profiles matched across interleaves
Multi-shot echo planar imaging using reordered segments and RF excitation pulse phase and slice profiles matched across interleaves
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机译:使用重新排序的片段以及跨交错匹配的RF激励脉冲相位和切片轮廓进行多次回波平面成像
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摘要
Described here are systems and methods for producing images with a magnetic resonance imaging (“MRI”) system using a high-resolution, motion-robust, artifact-free segmented echo planar imaging (“EPI”) technique. In particular, a fast low angle excitation echo planar imaging technique (“FLEET”) using variable flip angle (“VFA”) radio frequency (“RF”) excitation pulses that are specifically designed to have a flat magnitude and phase profile across a slice for a range of different flip angles.
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