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Method and magnetic resonance system to acquire MR data and to determine a B1 magnetic field
专利权人:
Michael Koehler;Thorsten Speckner
发明人:
Michael Koehler,Thorsten Speckner
申请号:
US14169556
公开号:
US09625546B2
申请日:
2014.01.31
申请国别(地区):
US
年份:
2017
代理人:
摘要:
In a method to acquire magnetic resonance (MR) data within a volume segment with a magnetic resonance system, the MR data are repeatedly acquired with a sequence that includes radiating a first resonant RF pulse, radiating a second resonant RF pulse, applying a dephasing first gradient after the first resonant RF pulse and before the second resonant RF pulse, radiating a third resonant RF pulse after the second resonant RF pulse, applying a second gradient after the third RF pulse in order to refocus a stimulated echo of a magnetization component prepared by the first gradient, and read out MR data. At least one of the first gradient and/or the second gradient is/are different in a respective repetition of the sequence and an additional repetition of the sequence that directly follows the respective repetition.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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