Question: A random signal has the auto correlation function R() = 9 + 3 (/5) where (x) is the unit-area triangular function defined in Chapter 2.

A random signal has the auto correlation function

R(τ) = 9 + 3Λ (τ/5) 

where Λ(x) is the unit-area triangular function defined in Chapter 2. Determine the following:

(a) The ac power.
(b) The dc power.
(c) The total power.
(d) The power spectral density. Sketch it and label carefully.

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