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磁気共鳴制御シーケンスの決定
专利权人:
シーメンス アクチエンゲゼルシヤフト
发明人:
アルト シュテンマー
申请号:
JP2014154078
公开号:
JP6166232B2
申请日:
2014.07.29
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
A magnetic resonance control sequence with a pulse arrangement that acts selectively in at least two spatial directions in order to excite a limited rotationally symmetrical excitation profile within an examination subject has an RF excitation pulse formed as a sequence of multiple partial RF pulses, and gradient pulses in the two spatial directions that are coordinated with the partial RF pulses so that the RF energy introduction of different partial RF pulses in transmission k-space occurs on circular k-space transmission trajectories that are concentric to one another. The amplitude of the RF envelope of the partial RF pulses is constant during the duration of a traversal of each circular k-space trajectory. The control sequence can also be used in a calibration of a magnetic resonance system.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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