Figure 4 | Scientific Reports

Figure 4

From: Analysis of the robustness and dynamics of spin-locking preparations for the detection of oscillatory magnetic fields

Figure 4

Simulated contrast variation map (signal standard deviation \(\sigma\)) as a function of the excitation angle α (°) and the frequency offset \(\Delta \omega_{0}\) (Hz) in resonance condition, \(\omega_{NC} = \omega_{SL} = 2\pi 90Hz\). (a) For \(T_{SL}\) = 90 ms: (i) BASL \((\sigma < 13.4\% )\), (ii) RESL \((\sigma < 17.5\% )\), and (iii) CRESL \((\sigma < 3.7\% )\). (b) For \(T_{SL}\) = 100 ms: (i) BASL \((\sigma < 12.8\% )\), (ii) RESL \((\sigma < 4.3\% )\), and (iii) CRESL \((\sigma < 4.2\% )\).

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