Figure 9From: Estimating the number of components of a multicomponent nonstationary signal using the short-term time-frequency Rényi entropy(a) SPWVD of a three-component signal with parabolic FMs; (b) number of components in time ( α = 3 dashed , α = 7 solid , α = 11 dotted ), Δ t = 7 s; (c) number of components in time (Δ t = 3 s dotted , Δ t = 7 s solid , Δ t = 23 s dashed ), α = 7.Back to article page