Question: An ARMA process has an autocorrelation {?xx(m)} whose z-transform is given as(a) Determine the filter H(z) for generated {x(n)} from a white noise input sequence.

An ARMA process has an autocorrelation {?xx(m)} whose z-transform is given as(a) Determine the filter H(z) for generated {x(n)} from a white noise input sequence. Is H(z) unique? Explain.(b) Determine a stable linear whitening filter for the sequence {x(n)}. (z(-3) ( -)(: - 2) ra(2) = 9. < Iz| < 2

(z(-3) ( -)(: - 2) ra(2) = 9. < Iz| < 2

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