lustration of sampling in the frequency-domain for a band-limited (X(o=0 for a> Om) signal XGo) Pgo Plu) drawn assuming-2a 2 30s0 s-Wm>Wm gjo)= X(o) *P(o)/2T 0. 's> 2WM 人入入人入入 No overlap between shifted spectra "OM 0 COM1 Os Os-CM)
Illustration of sampling in the frequency-domain for a band-limited (X(j ω)=0 for | ω|> ωM) signal No overlap bet ween shifted spectra
Reconstruction of x(t) from sampled signals p()=∑6t-n) n=-0 x(0)H(o) x(t) 0 OM Xp (jo) 0s>20M OM OM<0c<(0)s If there is no overlap between Oc shifted spectra, a LPF can Xr gjo) reproduce x(t) from x(t)
Reconstruction of x(t) from sampled signals If there is no overlap between shifted spectra, a LPF can reproduce x(t) from xp(t)