4.残留边带(VSB)信号 Vestigial-Sideband 乡确定VSB所需Hω),从接收端考虑,假设 采用同步解调法解调 s()×s(1)分[S(a)*S(a)](1) s(t)=cost S()=a[d(o+)+(-) 3[S(0)*S(m)=[Sn(+)+Sn(m-0 220 确定VSB所需H(ω),从接收端考虑,假设 采用同步解调法解调 4. 残留边带(VSB)信号 Vestigial - Sideband [ ( ) ( )] 2 1 ( ) ( ) s t s m t S m S s t t cos c ( ) = ( ) [ ( ) ( )] S = + c + − c [ ( ) ( )] 2 1 [ ( ) ( )] 2 1 S m S S m c S m c = + + − (1) (2)