Chapter 8 Communication Systems sin o t y2(o)=X(11)1 X, Go+ ja )X(o) 1/2/20 M 1/2 124X(o) (o) Lower sideband 1212 Chapter 8 Communication Systems ( ) ( ) ( ) p c p c X j j j X j j j Y j = − − + 2 1 2 1 2 y (t) x (t) t p c 2 = sin − M 0 X ( j) p M − j j −c 0 Y (j) 1 c 1/ 2 −c Lower Sideband c Y(j) −1/ 2 1/ 2 Y (j) 2 −c c