Chapter 7 Sampling Sampling Theorem: Let x() be a band-limited signal with X(o)=0, o>OM then x(t) is uniquely determined by its samples x(nT)n=0,+1 if 2兀 0s>2OM where p()=∑6(-m7) HGo) P Hojo OM<oc<os=om 44 Chapter 7 Sampling Sampling Theorem: Let be a band-limited signal with then is uniquely determined by its samples if where ( ) M x(t) X j = 0 ,   x(t) x(nT),n = 0,1,  s  2 M T s   2 = x (t) p x(t) x(t) p(t) (t nT ) n =  − + =−  H(j)  M c s − M 0 T  −c H(j) c