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Table 1 Pulse sequence parameters

From: A multi-center inter-manufacturer study of the temporal stability of phase-contrast velocity mapping background offset errors

  Scanner type 1 Scanner type 2 Scanner type 3
Slice thickness [mm] 6 6 6
TR, TE [ms] 5.9, 3.0 5.7, 3.1 5.8, 2.3
Bandwidth [Hz/pixel] 326 355 355
Pixel size (acq) FExPE [mm] 1.25 x 2.5 1.2 x 2.4 1.25 x 2.5
FE pixels (excl oversampling) 256 288 256
PE pixels (acq) 128 138 128
Averages 2 4 2
Raw data [lines/cycle] 6 6 6
Flip angle [deg] 30 30 22
  1. Four averages were required on scanner type 2 for sufficient SNR, possibly due to a longer phantom T1 value and/or distance from the array coils. This study did not aim to compare sequences or image SNR values.