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

Figure 7

The ROC for comparison between ELRT and 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. Asterisk: ELRT; circle: CVT. (a) 𝑡=1; (b) 𝑡=2; (c) 𝑡=3; (d) 𝑡=4.5; (e) 𝑡=5; (f) 𝑡=6; (g) 𝑡=6.3; (h) 𝑡=6.5; (i) 𝑡=6.7.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)