2.13. The autocorrelation sequence of a zero mean white noise process is rv (k) = v2 (k)...
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2.13. The autocorrelation sequence of a zero mean white noise process is rv (k) =σ v2δ (k) and the power spectrum is ( ) v2 j
Pv e σ θ = , where 2
σ v is the variance of the process. For the random phase sinusoid the autocorrelation sequence is, rx (m) = A cos(m ) 1 2
2
ω 0 and the power spectrum is,
[ ( ) ( )]
2 1
( ) 0 0 0 0 P e jθ = π A2 u ω −ω + u ω +ω
x where:
u0 (ω −ω 0 ) represents an impulse at frequency ω 0 .
What is the power spectrum of the first-order autoregressive process that has an autocorrelation sequence of, m rx (m) =α
where:
|α| < 1
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