Chapter 7 Problem solution 7.3 Determine the Nyquist rate corresponding to each of the following signals: a)x(t)=1+cos(2,000x)+sn(4000x) O,,=4.000丌 O.=204=8,000兀 (b)x()= sin(4000m) 丌t O,,=4.000丌 O=201=8.,000兀 sn(40002 丌t O4=8,000兀 O.=20,=16.000丌2 Chapter 7 Problem Solution 7.3 Determine the Nyquist rate corresponding to each of the following signals: (a) x(t)=1+cos(2,000t)+sin(4,000t) ( ) ( ) ( ) t , t x t sin 4 000 b   = ( ) ( ) ( ) 2 sin 4 000 c       = t , t x t    M = 4,000 s = 2 M = 8,000  M = 4,000 s = 2 M = 8,000  M = 8,000 s = 2 M =16,000