Calculated Fan Beam Effective Resolution at Various Distances from Collimator Surface
Source–collimator surface distance (cm) | ||
Angle (degree) | z = 10 | z = 15 |
1.6216 | 0.4274 | 0.5036 |
3.2419 | 0.4279 | 0.5042 |
4.8595 | 0.4287 | 0.5052 |
6.4733 | 0.4299 | 0.5066 |
8.0818 | 0.4315 | 0.5084 |
9.6839 | 0.4334 | 0.5106 |
11.2783 | 0.4356 | 0.5133 |
12.8638 | 0.4382 | 0.5163 |
14.4393 | 0.4411 | 0.5198 |
16.0035 | 0.4444 | 0.5236 |
17.5555 | 0.4480 | 0.5279 |
19.0942 | 0.4521 | 0.5326 |
20.6186 | 0.4564 | 0.5378 |
22.1277 | 0.4612 | 0.5434 |
23.6206 | 0.4663 | 0.5494 |