(a)
(b)
Figure 3: Behavior of IOI (black line), FOI for: = 0.99 (blue line), = 0.75 (red line), = 0.5 (green line), = 0.25 (cyan line), and = 1 m (magenta line); and FOI with fixed for = 0.99 (light blue line), = 0.75 (light red line), = 0.5 (light green line), = 0.25 (light cyan line), and = 1 m (light magenta line): (a) magnitude response and (b) phase response.