a) \(σ_d^2=2σ_x^2 [1-a^2]\)
b) \(σ_d^2=σ_x^2 [1+a^2]\)
c) \(σ_d^2=σ_x^2 [1-a^2]\)
d) \(σ_d^2=2σ_x^2 [1+a^2]\)
What is the variance of the difference between two successive signal samples, d(n) = x(n)–ax(n-1)?
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What is the variance of the difference between two successive signal samples, d(n) = x(n)–ax(n-1)?
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