Table 2 Experimental parameters of the speckle-tracking imaging measurements.
From: High-precision speckle-tracking X-ray imaging with adaptive subset size choices
Sample | Sample-to-sandpaper distance (mm) | Energy (KeV) | Sample-to-detector distance (mm) | Sandpaper grain size (μm) | Effective pixel size (μm) | Exposure time (s) | SNR |
|---|---|---|---|---|---|---|---|
PMMA | 100 | 20 | 650 | 20 | 3.25 | 0.5 | 44 |
RT | 312 | 10 | 1,258 | 1 | 0.65 | 10 | 21 |
