Question: Let (bar{S}_{X}(omega)) be the PSD function for the stationary random process (X(t)). Compute an expression for the PSD function of [ Y(t)=X(t)-2 X(t-T) ]

Let $\bar{S}_{X}(\omega)$ be the PSD function for the stationary random process $X(t)$. Compute an expression for the PSD function of

\[
Y(t)=X(t)-2 X(t-T)
\]

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