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 |