Question: Prove that a FIR filter with system function and reflection coefficients |Kk| < 1 for 1 k p 1 and |Kp| > 1 is

Prove that a FIR filter with system function
and reflection coefficients |Kk| < 1 for 1 ≤ k ≤ p – 1 and |Kp| > 1 is maximum phase [all the roots of Ap(z) lie outside the unit circle].

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Ap2 Ap12 kpBp12 2 where B12 is the reverse polynomial of Ap12 For kp1 we have all the ... View full answer

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