Phase and Group Delays the output is y[n]=AH(e/oo )cos(oon+0(Oo)+d) Thus, the output lags in phase by 0(oo) radians Rewriting the above equation we get [n]=AH(e/oo )cosool n+ 0(o)+ O Copyright C 2001, S K MitraCopyright © 2001, S. K. Mitra 2 Phase and Group Delays the output is • Thus, the output lags in phase by radians • Rewriting the above equation we get [ ] = ( ) cos( + ( ) + )  o o j y n AH e o n ( )  o          +          =  +  o o o j y n AH e o n ( ) [ ] ( ) cos