Bathtub-Shaped Failure Rate of Sensors for Distributed Detection and Fusion

Figure 3

The ROC curves for different fusion rules and different times:  𝛾=2, 𝐴=200𝑚, 𝑑₀=1𝑚, 𝑀=196, 𝑃₀=400, 𝑥_𝑡=50𝑚, 𝑦_𝑡=45𝑚, 𝜏_𝑖=𝜏=1.7, 𝑃^′_𝑑𝑖=𝑃_𝑑𝑖/5, 𝑃^′_𝑓𝑖=0.5, 𝑡₁=1, 𝑡₂=2, 𝑎=0.25, 𝑏=8, and ℎ₀=4.