687472.fig.007a
(a)
687472.fig.007b
(b)
687472.fig.007c
(c)
687472.fig.007d
(d)
Figure 7: Power spectra of the coupled system (10) for the two corresponding time series obtained in Figure 3(b). (a) , (b) , (c) , and (d) . To facilitate comparisons, the spectra are normalized to unit variance.