Sample paths and probability distribution of x(t) for different delay time τ
. From top to bottom τ1 = 0.1, 0.3, and 0.5. α = 0.01, D = 0.15 and λ = 0.3. The green curve on the right side is the SPD by using of Eq. (22). The other parameter values are the same as those in Figure 2.