17-2. In a radiographic unit, would the cutoff frequency be higher or
lower on the anode side versus the cathode side of the x-ray
beam? Why?
17-3. A fluoroscopic imaging system has the following component
MTFs at 3 line pairs per millimeter: focal spot, 0.9; motion, 0.7;
input screen, 0.9; intensifier electronics, 1.0; output screen, 0.9;
optics, 0.9; and television system, 0.9. What is the composite
MTF of the system?
