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

Figure 4

The ROC curves obtained by CVT at 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, 𝑎=0.25, 𝑏=8, and ℎ₀=4. Blue: CVT, 𝑡=1; red + circle: CVT, 𝑡=2; black: CVT, 𝑡=4.5; yellow: CVT, 𝑡=5; green: CVT, 𝑡=6; cyan: CVT, 𝑡=6.3; red + pentagram: CVT, 𝑡=6.7.