Q284
Let x(n) be a real-valued sequence that is a sample sequence of a wide-sense stationary discrete-time random process. The power density of this signal is
A.
real, odd and non-negative
B.
real, even and non-negative
AnswerC.
purely imaginary, even and negative
D.
purely imaginary, odd and negative
Answer: Option B
Solution
Answer: Option B
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