The auto-correlation function is _________
- impulse function
- even function
- odd function
A ransom signal is defined as ergodic, if ________
- all type of ensemble averages are interchangeable
- all type of ensemble averages are not interchangeable
- all type of ensemble averages are constant
Which statement is correct about ergodic process?
- ensemble and time averages are different
- ensemble and time averages are opposite to each other
- ensemble and time averages are identical