Question: A sequence is defined by the relationship ?where h[n] is a minimum-phase sequence and? r[n] = 4/3(?) n u[n] + 4/3 2 n u[? n

A sequence is defined by the relationship

r[n] = h[m]h[n + m] = h[n] + h{-n), m=-00

?where h[n] is a minimum-phase sequence and?

r[n] = 4/3(?)n u[n] + 4/3 2n u[? n ? 1],

(a) Find R(z) and sketch the pole-zero diagram.?

(b) Determine the minimum-phase sequence h[n] to within a scale factor of ? 1. Also, determine the z-transform H(z) of h[n].

r[n] = h[m]h[n + m] = h[n] + h{-n), m=-00

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