a) \(\sum_{n=0}^{N-1} [x_R (n) cos\frac{2πkn}{N} – x_I (n) sin\frac{2πkn}{N}]\)
b) \(\sum_{n=0}^{N-1} [x_R (n) sin\frac{2πkn}{N} + x_I (n) cos\frac{2πkn}{N}]\)
c) \(\sum_{n=0}^{N-1} [x_R (n) cos\frac{2πkn}{N} + x_I (n) sin\frac{2πkn}{N}]\)
d) None of the mentioned
What is the real part of the N point DFT XR(k) of a complex valued sequence x(n)?
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answerhappygod
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What is the real part of the N point DFT XR(k) of a complex valued sequence x(n)?
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