Table 2 Range of artifact size for T1W sequence, y orientation
From: Signal-to-noise ratio evaluation of magnetic resonance images in the presence of an ultrasonic motor
| TH (mm) | BW | Distance from motor (mm) | ||
|---|---|---|---|---|
| Minimum | Maximum | Minimum | Maximum | |
| 5 |
12.5–46.4% (SNR: 87–248) |
7.4–46.3% (SNR: 68–216) | 25 | 45 |
| 3 |
2.3–26.8% (SNR: 74–143) |
2.1–26.4% (SNR: 50–100) | 26 | 38 |
| 1 |
4.9–18.4% (SNR: 13–15) |
3.4–17.0% (SNR: 11–13) | 26 | 29 |
