表 1. Phantom scanning parameters.
体模扫描参数
| 扫描参数 | 默认值 |
| 管电压/kV | 120 |
| 旋转时间/s | 0.5 |
| 准直宽度/mm | 40 |
| 调制水平 | L15 |
| 螺距/mm | 1.0 |
| 重建核 | B |
| 重建层厚/mm | 5 |
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