Question: Two zero- mean discrete- time random processes, X [n] and Y [n], are statistically independent. Let a new random process be Z [n] = X

Two zero- mean discrete- time random processes, X [n] and Y [n], are statistically independent. Let a new random process be Z [n] = X [n] + Y [n]. Let the autocorrelation functions for X [n] and X [n] be

Find RZZ [k]. Plot all three autocorrelation functions (you may want to use MATLAB to help).

= ". R; Rrylk] RyyIk] =

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