Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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if fc = 4kHz and fs = 8kHz, sketch the spectrumof the signal y(t) for 0 ≤ f ≤ 8 kHz. Briefly point out the possible problems or limitations for processing x(t), if any

Engr. AA transmits sound signal in the vacuum which can be expressed mathematically below: x(t) = cos(2000rt) + jsin(2n100t) + cos(-2000rt) + jsin(-2m100t) - 2cos (6000rt) However, though the signal was travelled through the vacuum, Engr. AA sought to convert the original signal to digital signal and thereafter translating to form of analog by means of modem. He wants to prove that sound signal can travel in the vacuum irrespective of the medium. Consequently, he drawn the block diagram of the modem (see fig. 1.35) and performed the following simulation below. Assume that you are Engr. ÄA. Band-limited signal Digital signal Processed Analog input Output signal Analog output digital signal Analog filter DS Reconstruction ADC DAC processor filter
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Transcribed Image Text:Engr. AA transmits sound signal in the vacuum which can be expressed mathematically below: x(t) = cos(2000rt) + jsin(2n100t) + cos(-2000rt) + jsin(-2m100t) - 2cos (6000rt) However, though the signal was travelled through the vacuum, Engr. AA sought to convert the original signal to digital signal and thereafter translating to form of analog by means of modem. He wants to prove that sound signal can travel in the vacuum irrespective of the medium. Consequently, he drawn the block diagram of the modem (see fig. 1.35) and performed the following simulation below. Assume that you are Engr. ÄA. Band-limited signal Digital signal Processed Analog input Output signal Analog output digital signal Analog filter DS Reconstruction ADC DAC processor filter
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Step 2: Analysis of the spectrum of the signal y(t).
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Step 3: Possible problems or limitations for processing x(t) and y(t).
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