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MAGNETIC RESONANCE IMAGING APPARATUS AND SAR ESTIMATION METHOD
专利权人:
Kosuke Ito;Masahiro Takizawa
发明人:
Kosuke Ito,Masahiro Takizawa
申请号:
US13509094
公开号:
US20120226137A1
申请日:
2010.11.25
申请国别(地区):
US
年份:
2012
代理人:
摘要:
In order to further improve the accuracy of SAR estimation by accurately estimating, for each object, the energy of RF pulses absorbed into a part of an object, for example, a head, on the basis of measurement performed before main imaging, a nuclear magnetic resonance imaging apparatus estimates a head SAR by calculating a signal Sh generated from the head and a signal Sb generated from the whole object, calculating the ratio α between the signal generated from the head and the signal generated from the whole object, and calculating the energy Eh absorbed into the head using the ratio of the signals.
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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