Random Variable, Probability, Machine Learning, Signal Processing, Stochastic Process.
says that the autocorrelation of the output is only the function of the time lag. (Equations 1 and 3 claim that Y(t) is a WSS process and Equations 1,2 and 3 state that X(t) and Y(t) are jointly WSS processes.) Frequency Domain Analysis The above equations can be analyzed in the frequency domain