Question

Consider the signal f[k] illustrated below 3 2 1 (a) Using the definition, provide the DTFT of flk]. (b) Express f [kas a rect function. Use the DTFT pair to solve for the DTFT (it should look a lot different from the previous solution) c) Verify that both of your solutions are, in actuality, the same by evaluating them at 0, T/2, T

Answer 1

(K) Ps given below fC a) DTT of fCk) cA9 jus ite t e

c) ated by (a)) by FCoo) caleu luo Both olutions asre ame entcept at cu o

aos (uo)