Stochastic response of van der Pol oscillator with two kinds of fractional derivatives under Gaussian white noise excitation
Yang Yong-Ge1, Xu Wei1, †, , Sun Ya-Hui2, Gu Xu-Dong3
       

Stationary probability densities of amplitude A, displacement x, and velocity y of oscillator (1) with α1 = 0.5, β1 = 0.3, β2 = 0.2, b1 = b2 = 0.05, ω = 1.0, and D = 0.4.