TABLE 4

Calculated Fan Beam Effective Resolution at Various Distances from Collimator Surface

Source–collimator surface distance (cm)
Angle (degree)z = 10z = 15
1.62160.42740.5036
3.24190.42790.5042
4.85950.42870.5052
6.47330.42990.5066
8.08180.43150.5084
9.68390.43340.5106
11.27830.43560.5133
12.86380.43820.5163
14.43930.44110.5198
16.00350.44440.5236
17.55550.44800.5279
19.09420.45210.5326
20.61860.45640.5378
22.12770.46120.5434
23.62060.46630.5494