White noise has _____ mean and ______ variance.
A. Zero and zero
B. Finite and zero
C. Zero and finite
D. One and zero
Answer:A
White noise has _____ mean and ______ variance.
A. Zero and zero B. Finite and zero C. Zero and finite D. One and zero
Explanation: White noise is a zero mean function with infinite average power, finite variance and infinite bandwidth.