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System and method for estimating a static magnetic

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专利内容由知识产权出版社提供

专利名称:System and method for estimating a static

magnetic field

发明人:Desmond Teck Beng Yeo,Lorne Wyatt

Hofstetter

申请号:US14474530申请日:20140902公开号:US09835707B2公开日:20171205

专利附图:

摘要:A method includes applying a preparatory radiofrequency (RF) pulse at a firsttime instant to a Magnetic Resonance (MR) scanner configured to scan an object

comprising a plurality of chemical species. The method further includes applying a phasesensitive pulse sequence at a second time instant to the MR scanner, wherein thepreparatory RF pulse and a time delay between the first and the second time instantsnull a first subset of chemical species from the plurality of chemical species. The methodfurther includes receiving an output signal from a second subset of chemical species fromthe plurality of chemical species in response to the phase sensitive pulse sequence. Themethod also includes estimating a static magnetic field map based on the output signalfrom the second subset of chemical species.

申请人:General Electric Company

地址:Schenectady NY US

国籍:US

代理人:Pabitra K. Chakrabarti

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