Table 1.
Pulse sequence parameters
| 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 |
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.