engineering recuitment BEL Probationary Engineers Mock Test 2025 Communication Systems Random Processes Special Classes of Random Processes
White noise is characterized by -
1
Gaussian probability density function
2
Power spectral density \(\frac{\eta}{2} \delta(f)\)
3
Autocorrelation function depends only on delay τ
4
Autocorrelation \(\frac{\eta}{2} \delta(\tau)\)