5.3 Effect of Sampling in the Frequency Domain Sampling theorem-Let g(t)be a band- limited signal with CTFT G.(j)=0 for 12>2m Then ga(t)is uniquely determined by its samples g(nT),-oo≤n≤ooif 2r≥22m where2n=2π/T§5.3 Effect of Sampling in the Frequency Domain Sampling theorem - Let ga(t) be a band￾limited signal with CTFT Ga(jΩ)=0 for | Ω|> Ωm Then ga(t) is uniquely determined by its samples ga(nT) , -∞≤n≤∞ if ΩT ≥ 2 Ωm where ΩT=2π/T