The Frequency Response If the input is of the form x[n]=ej <n<0 then it follows that the output is given by yn=∑Mho(n)=∑ kle-jok eJon k=-0 el H(e/)=∑列klek k=-0 10 Copyright C 2001, S K MitraCopyright © 2001, S. K. Mitra 10 The Frequency Response • If the input is of the form then it follows that the output is given by • Let = −      x n e n j n [ ] , j n k j k k j n k y n h k e h k e e   =− −   =−  −       [ ] =  [ ] =  [ ] ( ) =   =−  −  k j j k H(e ) h[k]e