Research Article

Hopf Bifurcations of a Stochastic Fractional-Order Van der Pol System

Figure 3

The time trajectories and phase diagrams for .
835482.fig.003a
(a) The time trajectory of EMR
835482.fig.003b
(b) The phase diagram of EMR in plane
835482.fig.003c
(c) The time trajectory of SRM
835482.fig.003d
(d) The phase diagram of SRM