1.

The DFT of the sequence x = [1, 0, -1, 0] is:

A. X = [0, 1, 0, 1]
B. X = [1, 0, 1, 0]
C. X = [0, 2, 0, 2]
D. X = [2, 0, 2, 0]
Answer» D. X = [2, 0, 2, 0]


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