DocumentCode
1608174
Title
Calculation of RF Peak Power for 2D Arbitrary Shape Excitation in MRI
Author
Qin, Qin ; De Graaf, Robin A. ; Does, Mark D. ; Gore, John C.
Author_Institution
Dept. of Biomed. Eng., Yale Univ., New Haven, CT
fYear
2006
Firstpage
1340
Lastpage
1343
Abstract
An exact formula has been derived to calculate the required RF (B1) peak power for 2D arbitrary shape excitation in MRI with rectilinear K-space trajectory. An approximate formula has also been derived for spiral trajectory
Keywords
biomedical MRI; magnetic resonance imaging; radiofrequency peak power; rectilinear K-space trajectory; spiral trajectory; two-dimensional arbitrary shape excitation; Biomedical measurements; Fourier transforms; Magnetic resonance imaging; Power demand; Pulse measurements; Pulse shaping methods; Radio frequency; Sampling methods; Shape measurement; Spirals;
fLanguage
English
Publisher
ieee
Conference_Titel
Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the
Conference_Location
Shanghai
Print_ISBN
0-7803-8741-4
Type
conf
DOI
10.1109/IEMBS.2005.1616675
Filename
1616675
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