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Method for suppressing sideband in MRI system, computer program, RF pulse generator, MRI system including the RF pulse generator
专利权人:
コーニンクレッカ フィリップス エヌ ヴェ
发明人:
シエ ビン,ニスティ グリゴレット ボルゴノヴィ アーサー フェリペ,チェン シャオリン,フェデラー ミハ
申请号:
JP2017515099
公开号:
JP6608435B2
申请日:
2015.08.17
申请国别(地区):
JP
年份:
2019
代理人:
摘要:
The present invention relates to a method for side-band suppression in a Magnetic Resonance imaging, MRI, system (100), the method comprising providing a first multiband RF pulse for simultaneously exciting at least two slices in a subject (118) at a first and a second frequency band (301,303) and to acquire using the MRI system (100) signals (307, 308) from the excited two slices and at least one additional signal (309) at a third frequency band (305), the additional signal (309) resulting from a sideband excitation of a slice different from the two slices; using the first multiband RF pulse for determining the additional signal (309); deriving a pre-compensating term from the first multiband RF pulse and the additional signal (309), adding the pre-compensating term to the first multiband RF pulse to obtain a second multiband RF pulse, thereby replacing the first multiband RF pulse by the second multiband RF pulse for suppressing at least part of the additional signal (309).
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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