Which of the following DT LTI systems best describe the block diagram below? x[n] y[n] 0.75 -0.125 1

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Which of the following DT LTI systems best describe the block diagram below?
x[n]
y[n]
0.75
z-1
-0.125
1
O A. y/n] = a[n] + 2æ[n – 1] + x[n - 2] – 0.75y[n – 1] + 0.125y[n – 2]
O B. y[n] = x[n] +0.75x[n – 1] – 0.125æ[n – 2] + 2y[n – 1] + y[n – 2]
OC. y[n] = a[n] + 2æ[n – 1] + x[n - 2] + 0.75y[n – 1] – 0.125y[n – 2]
OD. yn] — гп] + 0.75x[n — 1] - 0.1252[n — 2] — 2y(n - 1] — у/п — 2]
Transcribed Image Text:Which of the following DT LTI systems best describe the block diagram below? x[n] y[n] 0.75 z-1 -0.125 1 O A. y/n] = a[n] + 2æ[n – 1] + x[n - 2] – 0.75y[n – 1] + 0.125y[n – 2] O B. y[n] = x[n] +0.75x[n – 1] – 0.125æ[n – 2] + 2y[n – 1] + y[n – 2] OC. y[n] = a[n] + 2æ[n – 1] + x[n - 2] + 0.75y[n – 1] – 0.125y[n – 2] OD. yn] — гп] + 0.75x[n — 1] - 0.1252[n — 2] — 2y(n - 1] — у/п — 2]
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