If X(k) discrete Fourier transform of x(n), then the inverse discrete Fourier transform of X(k) is?
Posted: Thu Jul 14, 2022 9:44 am
a) \(\frac{1}{N} \sum_{k=0}^{N-1}X(k)e^{-j2πkn/N}\)
b) \(\sum_{k=0}^{N-1}X(k)e^{-j2πkn/N}\)
c) \(\sum_{k=0}^{N-1}X(k)e^{j2πkn/N}\)
d) \(\frac{1}{N} \sum_{k=0}^{N-1}X(k)e^{j2πkn/N}\)
b) \(\sum_{k=0}^{N-1}X(k)e^{-j2πkn/N}\)
c) \(\sum_{k=0}^{N-1}X(k)e^{j2πkn/N}\)
d) \(\frac{1}{N} \sum_{k=0}^{N-1}X(k)e^{j2πkn/N}\)