Figure 3
From: Adaptive stochastic resonance for unknown and variable input signals
Detector models. Sketch, demonstrating the reponse of different sensor types to a sinusoidal input siganl (red line). We compare the four cases of continuous (a,b) or discrete (c,d) output (blue lines or dots, respectively) and with asymmetric (a,c) or symmetric (b,d) thresholds (green lines).
