engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Random Processes Special Classes of Random Processes
Consider the following statements?
1) (E [XY])2 ≥ E[X2] E[Y2]
Where X and Y are random variables.
2) For a wide sense stationary random process, autocorrelation does not depend on time.
3) An ergodic process is stationary, but a stationary process may not be ergodic.
Which of the following is correct?
1
1 and 2
2
1 and 3
3
2 and 3
4
all the three