Double resonance in star networks of bistable units with disordered signals*

Yang Ge,Xiao-Ming Liang

Figure 3. Effect of network size, signal frequency and signal amplitude on weak signal amplification with disordered signals. (a) Resonance peaks ${G}_{k}^{i},i=1,2$ as a function of N; (b) the optimal coupling strength λi corresponding to Gki as a function of N, where the dashed line denotes ${\lambda }_{1}\sim {N}^{-1}$; (c) the secondary resonance peak Gk2 as a function of ω, with a fixed N = 500; (d) the maximum signal amplification Gk as a function of A for incidental and disordered signals, with fixed λ = 0.25 and N = 500.