EC > GATE 2023 > Power Spectral Density

Contributed by: Dr. Sarah Chen

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For a real signal, which of the following is/are valid power spectral density/densities?

A

S_x(ω) = 2/9 + ω²

B

S_X(ω) = e^-ω2cos²ω

C

D

Check Answer

Explanation

Correct : a,b

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