We wish to compute the autocorrelation function of an upsampled signal, as indicated in Figure. It is
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We wish to compute the autocorrelation function of an upsampled signal, as indicated in Figure. It is suggested that this can equivalently be accomplished with the system of Figure. Can H2(ej?) be chosen so that ?3[n] =??1[n]? If not, why not? If so, specify H2(e?j?).?
Transcribed Image Text:
Ideal lowpass filter cutoff Autocorrelate x,[n] x|n] 7/L Autocorrelate H.(e) x(n]
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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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