Given a sequence xn for 0 le n le 3 where x0 4 x1 3 x2 2


Given the DFT sequence X(k) for 0 ≤ k ≤3 computed in Problem 4.25, evaluate its inverse DFT x(n) using the decimation-in-time FFT method.

Problem 4.25

Given a sequence x(n) for 0 ≤ n ≤ 3, where x(0) = 4, x(1) = 3, x(2) = 2, and x(3) = 1, evaluate its DFT X(k) using the decimation-in-time FFT method, and determine the number of complex multiplications.

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Electrical Engineering: Given a sequence xn for 0 le n le 3 where x0 4 x1 3 x2 2
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