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. Author manuscript; available in PMC: 2009 Mar 3.
Published in final edited form as: Magn Reson Med. 2008 Mar;59(3):547–560. doi: 10.1002/mrm.21485

Table 1.

Comparison of 2D Selective 180° Refocusing Pulses With Different Acceleration Factors in Fig. 4

Acceleration Peak RF amplitude (Gauss)
 Total RF energy (10−5 · Gauss2 · ms)
LCLTA Optimized LCLTA Optimized
R = 1 0.16 0.15 4.6 5.5
R = 2 0.29 0.28 7.7 10
R = 3 0.40 0.47 10 17
R = 4 0.55 0.74 9.9 21