序列 | 横断面T1WI | 横断面T2WI | 横断面FOCUS-DWI | SyMRI |
TR (ms) | 624 | 3515 | 2663 | 4200 |
TE (ms) | 16.6 | 92.1 | 87 | 16/92 |
延迟时间 | / | / | / | 170/670/1840/3840 |
层厚(mm) | 3 | 3 | 3 | 3 |
层间距(mm) | 0.5 | 0.5 | 0.5 | 0.5 |
视野(mm × mm) | 200 × 200 | 200 × 200 | 180 × 180 | 300 × 300 |
矩阵 | 260 × 260 | 288 × 288 | 90 × 46 | 260 × 200 |
激励次数 | 1.75 | 2 | 12 | 1 |
回波链长度 | 5 | 29 | / | 16 |
加速因子 | 2 | 2 | 2 | 2 |
b值(s/mm2) | / | / | 1000/2000 | / |
扫描时间(min: s) | 01:35 | 02:14 | 04:10 | 04:12 |