Exam Questions Paper - ECE Questions and Answers

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4 point DFT for x(n) = {2, - 1, 2, 3} is

{6, 4 - 2j, 2, 2j}

{6, 4j, 2, - 4j}

{6, -1 + 3j, 4 - 4j, 4 - 2}

{6, 2j, 4 - 2j, - 2 + 2j}

Answer : Option B

Explanation :

1 point DFT

X(k) = [W][x(n)]¹

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