Biology homework help

Biology homework help. a signal m(t) has bandwidth B(in Hz). consider s(t)=m(t)cos^3 ?ct.a)draw power density spectral density of s(t) for typical shape of Sm(?).b)what filter on s(t), if any ,will yield Km(t) cos ?ct for some constant k?what is the minimum usable value of ?c?

Biology homework help