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x(n) ¦ y(n) H₁(z) H₂(z) H₁(z)

x(n) ¦ y(n) H₁(z) H₂(z) H₁(z)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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(a) The signal x(n) has a sampling rate of 40 kHz. It is converted into a signal with a bandwidth of 0 – 12 kHz, which needs to be preserved as such without damping. Provide the required cutoff frequencies of the low-pass filters as normalized frequencies. 

(b) The image below with dashed lines marks a three-block LTI system. The impulse responses of blocks H₁(z), H₂(z), and H₃(z) are

h₁(n) = δ(n - 1) + δ(n)

h₂(n) = δ(n + 1) - 2δ(n) + δ(n - 1)

h₃(n) = δ(n) - δ(n - 1).

What is the overall (x(n) → y(n)) impulse response h(n)?

 

x(n) ¦ y(n) H₁(z) H₂(z) H₁(z)
Transcribed Image Text:x(n) ¦ y(n) H₁(z) H₂(z) H₁(z)
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