Parameters | BTI | MPRAGE | CE-MRV |
---|---|---|---|
Repetition time, ms | 650 | 1500 | 2.8 |
Echo time, ms | 9.8 | 1.7 | 1.6 |
Flip angle | variable | 18 | 18 |
Fat suppression | fat saturation | water excitation | fat saturation |
GRAPPA in the phase-encoding direction | 2 | off | 3 |
Turbo factor | 40 | 288 | NA |
Slice Partial Fourier | 6/8 | off | 6/8 |
Phase Partial Fourier | off | off | 6/8 |
Bandwidth, Hz/Pixel | 710 | 685 | 685 |
True resolution, mm3 | 1.1 × 1.1 × (1.1–1.3) | 1.3 × 1.3 × 1.3 | 1.1 × 1.1 × 1.2 |
Reconstructed resolution, mm3 | 0.55 × 0.55 × (0.55/0.65) | 0.65 × 0.65 × 0.65 | 0.55 × 0.55 × 0.60 |
Field of view, mm2 | 352 × 352 | 340 × 340 | 400 × 400 |
Partition | 208–256 | 288 | 192 |
Scan time per sequence | 3 min 23 s–4 min 49 s | 6 min 23 s | 27 s |
Inversion time, ms | NA | 400 | NA |