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. 2015 Apr 16;10(4):e0122999. doi: 10.1371/journal.pone.0122999

Fig 6. Theoretical B1 field distribution through the transverse planes centered at the ROI used for the calculation of RSD of different coils.

Fig 6

(a) transverse plane of body coil, the RSD was 6.14% within the ROI, indicating the homogeneity of 93.86%; (b) transverse plane of phased array coil, the RSD was 19.90% within the ROI, indicating the homogeneity of 80.10%. The less the RSD means the more homogeneous B1 field. The results showed that the homogeneity of the body coil is better than that of phase array coil.