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. Author manuscript; available in PMC: 2016 May 4.
Published in final edited form as: Magn Reson Med. 2012 Jan 13;68(2):631–638. doi: 10.1002/mrm.23238

FIG. 3.

FIG. 3

Simulated FLASH images following saturation preparation. a: Traditional CHESS played on single-channel volume coil. PABST with FID tuned frequency for (b) equal amplitude correction on all channels and (c) amplitudes least-squares optimized for each channel. d: Result of simultaneously solving for frequency and amplitude of each channel using iterative minimization and Bloch simulation. A noticeable improvement in uniformity and accuracy of saturation is made with increasingly sophisticated amplitude adjustments. Also, note the absence of water saturation (indicated by arrow, a) when using PABST.