0
$\begingroup$

enter image description here In my book solution is given like this. But i am solving like this , am i doing wrong?? enter image description here

$\endgroup$
1
$\begingroup$

Yes, you're doing it wrong. :) Inverse systems in time domain satisfy

$$h[n] * h_i[n] = \delta[n]$$

where $*$ denotes convolution and $h_i[n]$ is the impulse response of the inverse system. If you DTFT this equation, you'll get a).

| improve this answer | |
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.