The power spectral density of a real stationary random process (𝑡) is given by S_X(f)={\\begin{array}{c}\\\{1\end\frac{array}{W}, , {|f|} \leq W ; 0, , {|f|}>W}. The value of the expectation E [\pi X (t) X (t−\frac{1}{4W}) ] is ______

GATE Electronics and Communications (EC) 2014 Shift 2 Solved Paper

Question : 61 of 65

Marks: +1, -0

The power spectral density of a real stationary random process (𝑡) is given by

S_X(f)={\{\table \;{1}/{W}, , {|f|} ≤ W ; 0, , {|f|}>W}.

The value of the expectation

E [π X (t) X (t−\;{1}/{4W}) ]

is ______

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