643563.fig.004a
(a)
643563.fig.004b
(b)
643563.fig.004c
(c)
Figure 4: Spectral amplitudes of the LS spectra—nonuniformly sampled signal with the random sampling pattern. The input frequency 0.65 𝑓 𝑠 exceeds the Nyquist limit. Different levels of sampling irregularity: (a) low, (b) medium, (c) high.