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us signal is given as x(t) = 10 cos(2n x 5500t) + 5 sin(2n x 7500t), for t20 sampled at a rate of 8 kHz, a. Sketch the spectrum of the sampled signal up to 20 kHz. b. sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal in order to the recover original signal. c. Determines the frequency/frequencies of aliasing noise. %3D

us signal is given as x(t) = 10 cos(2n x 5500t) + 5 sin(2n x 7500t), for t20 sampled at a rate of 8 kHz, a. Sketch the spectrum of the sampled signal up to 20 kHz. b. sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal in order to the recover original signal. c. Determines the frequency/frequencies of aliasing noise. %3D

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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Q11) Assuming a continuous signal is given as x(t) = 10 cos(2n x 5500t) + 5 sin(2n x 7500t), for t20 sampled at a rate of 8 kHz, a. Sketch the spectrum of the sampled signal up to 20 kHz. b. sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal in order to the recover original signal. c. Determines the frequency/frequencies of aliasing noise. %3D
Transcribed Image Text:Q11) Assuming a continuous signal is given as x(t) = 10 cos(2n x 5500t) + 5 sin(2n x 7500t), for t20 sampled at a rate of 8 kHz, a. Sketch the spectrum of the sampled signal up to 20 kHz. b. sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal in order to the recover original signal. c. Determines the frequency/frequencies of aliasing noise. %3D
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