Communication Systems

Q1: If the variance σx2 of d(n) = x(n) - x(n - 1) is one-tenth the variance σx2 of a stationary zero mean discrete time signal x(n), then the normalized autocorrelation function Rxx(x)/σx2 at k = 1 is

A 0.95

B 0.90

C 0.10

D 0.05

ANS:C - 0.10

No answer description is available.



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