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White noise has _____ mean and ______ variance.(a) Zero and zero(b) Finite and zero(c) Zero and finite(d) One and zeroI got this question in an internship interview.The above asked question is from Random Signals topic in portion Signals and Spectra of Digital Communications

Answer» RIGHT option is (C) Zero and finite

To explain: WHITE NOISE is a zero mean function with infinite AVERAGE power, finite variance and infinite bandwidth.


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