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Document type:
journal article 
Author(s):
Ganter, C; Settles, M; Dregely, I; Santini, F; Scheffler, K; Bieri, O 
Title:
B1+-mapping with the transient phase of unbalanced steady-state free precession. 
Abstract:
A novel B1+-mapping technique (B1-TRAP) is presented, which derives the actual flip angle from the frequency of signal oscillations, observed in the transient phase of unbalanced steady-state free precession sequences.For short repetition times (TR), the angular frequency of distinct oscillations in the transient phase of steady-state free precession sequences is proven to be approximately proportional to the actual flip angle: ??TR??. The result is not influenced by off-resonance and it can be...    »
 
Journal title abbreviation:
Magn Reson Med 
Year:
2013 
Journal volume:
70 
Journal issue:
Pages contribution:
1515-23 
Language:
eng 
Print-ISSN:
0740-3194 
TUM Institution:
Institut für Radiologie; Nuklearmedizinische Klinik und Poliklinik