Phase and Group Delays The output yn] is then given by y[n]=A cos(on+0(o2))+acos(o, n+O(Ou) Acos ocn≠on)+0 6(0n)-6(0c) coS Oon+ 2 2 Note: The output is also in the form of a modulated carrier signal with the same carrier frequency Oc and the same modulation frequency @o as the input Copyright C 2001, S K MitraCopyright © 2001, S. K. Mitra 7 Phase and Group Delays • The output y[n] is then given by • Note: The output is also in the form of a modulated carrier signal with the same carrier frequency and the same modulation frequency as the input [ ] cos( ( )) cos( ( )) 2 2 u u A A y n =  n +   +  n +           −     +        +   =  + 2 ( ) ( ) cos 2 ( ) ( ) cos  u  o u A cn n c o