engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Random Processes Correlation and Power Spectral Density
A stationary signal X(t) has the autocorrelation function
X(τ) = 16e-5|τ|cos 20π τ + 8 cos 10π τ
The DC power of the signal is:1
\(\frac{{80}}{{25 + 400{\pi ^2}}}\)
2
\(\frac{{160}}{{25 + 400{\pi ^2}}}\)
3
24
4
12