4) Auto correlation function A. is an even function of t B. is an odd function o

Question

4) Auto correlation function A. is an even function of t B. is an odd function of t C. may be an even or odd function of t D. is both an odd and even function of 5) Consider the following statements er godemble and time averages of s random process are identcal,the proce ergodic. 2. If ensemble and time average of a random process are not identical, the pr ergodic 3. An ergodic process is stationary 4. A stationary process is necessanly ergodic. Which of the above statements are correct? A. 1 only C. 1, 3 and 4 only B. 1 and 3 only D. 1 and 4 only

Explanation / Answer

4) True because ?ff (?? ) = ?ff (? )

5) B is the correct choice as ensemble average and time average are identical for ergodic process and all ergodic processes are stationary, but all stationary processes are not ergodic

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