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ML 25 points) DTFT of a Signal Compute the discrete-time Fourier transform (DTFT) of the signal x[n] = {x[0],x[1], x[2], x[3]
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ITFT of a sequence and is given by: X (k] = È ano e - jam ken ons na- Keo, ...,N- Here w [n] = {1, 0, -1,03 There fore N=4 AnTake Kal, then X : xhenja no (n) e no - x0) + x (). + 2(2) C + X(3) e - 1-C Cast - ; sind) :1-((-1) - [Oro)] |xw = 2] X(1) =Take k= 2, then X() = arba e-jarren 10 - јти e = a[n] neo = - jt 2(0) + xwe _jan + 2(2).2 + 2(3) € E I TOLIC Cf 21 -j sin 27)

answered by: ANURANJAN SARSAM
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