Research Article

Observability of Spectral Components beyond Nyquist Limit in Nonuniformly Sampled Signals

Figure 6

Spectral amplitudes of periodogramsā€”nonuniformly sampled signal with IPFM generated sampling pattern. Input frequency 0 . 6 5 š¯‘“ š¯‘  exceeds the Nyquist limit. Different levels of sampling irregularity: (a) low, (b) medium, (c) high.
643563.fig.006a
(a)
643563.fig.006b
(b)
643563.fig.006c
(c)