A continuous-time signal y(t) = x1(t)x2(t) (multiplication)…
A continuous-time signal y(t) = x1(t)x2(t) (multiplication) is sampled by a periodic impulse train with period Ts. It is known that x1(t) is band limited to 100π and x2(t) is band limited to 200π. What is the minimum ωM such that Y(jω)=0 for |ω| > ωM?