Question: Given two first-order AR processes, generated by the same zero-mean white noise with unit variance, whose respective poles are located at (z=0.8) and (z=-0.8), generate
Given two first-order AR processes, generated by the same zero-mean white noise with unit variance, whose respective poles are located at \(z=0.8\) and \(z=-0.8\), generate a new process by adding the outcomes of these AR processes. Estimate the fourth-order AR model for the resulting process using the linear prediction method and comment on the results.
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