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(e^j?) 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]