engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Random Processes Correlation and Power Spectral Density
Consider a low pass random process with a white noise power spectral density Sx(ω) = N/2 where -2πB ≤ ω ≤ 2πB
0 elsewhere
The Auto-correlation function Rx(τ) is
1
2 NB sin c(2πBτ)
2
π NB sin c(2πBτ)
3
NB sin c(2πBτ)
4
none of the above