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. 2016 Aug 31;78(1):20–32. doi: 10.1002/mrm.26357

Figure 2.

Figure 2

Monte‐Carlo simulations of steps 4‐7 in BOAST (equivalent to a FAST experiment). (a‐c) The predicted measurement bias as a function of the two flip‐angles (α and β) at two repetition times and at a lower SNR (50% increase in amplitude Cramér–Rao lower bound). The black lines mark the possible flip angles at different values of m. (d‐f) The predicted measurement precision, in percent. (g‐i) Cross sections of the mean square error, plotted on a logarithmic scale, at the points along the lines in plots a‐b and d‐f for the listed values of m. BOAST, Bloch‐Siegert four angle saturation transfer; FAST, four‐angle saturation transfer; MSE, mean square error; SNR, signal‐to‐noise ratio; TR, repetition time.