a.) Find the cross correlation of the sequences x(n) = {1, 3, 5, 8, 10} and h(n) = {2, 4, -2, 3) b.) A stationary signal

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answerhappygod
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a.) Find the cross correlation of the sequences x(n) = {1, 3, 5, 8, 10} and h(n) = {2, 4, -2, 3) b.) A stationary signal

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a.) Find the cross correlation of the sequences x(n) = {1, 3, 5,8, 10} and h(n) = {2, 4, -2, 3)
b.) A stationary signal X(t) has the autocorrelation function
γX(τ) = 21e−5|τ| cos 20πτ + 6 cos8πτ
Find thevariance of the signal.
c.) Find the auto-correlation function of x(t) =exp(-7t) u(t).
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