Let x[n] be a real, causal, finite-length sequence with length N = 4 that is also periodically
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Let x[n] be a real, causal, finite-length sequence with length N = 4 that is also periodically causal. The real part of the 4-point discrete Fourier transform XR[k] for this sequence is shown in Figure. Determine the imaginary part of the DFT j XI[k].
Transcribed Image Text:
Xx|k) 0 1 2 3 k
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Related Book For
Discrete Time Signal Processing
ISBN: 978-0137549207
2nd Edition
Authors: Alan V. Oppenheim, Rolan W. Schafer
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