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GATE Electronics and Communications (EC) 2020 Solved Papers

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Question : 16 of 65

Marks: +1, -0

The random variable
Y=

W(t)φ(t)dt
Where φ(t)={

0‌; otherwise ‌.

And W(t) is a real white Gaussian noise process with two-sided power spectral density SW(f)=3W/Hz, for all f. The variance of Y is

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