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Engr. AA transmits sound signal in the vacuum which can be expressed mathematically below: x(t) = cos(2000mt) + jsin(2n100t) + cos(-2000mt) + jsin(-2m100t) - 2cos (6000mt) 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. AA. Analog input Band-limited signal Analog filter ADC Digital signal Processed digital signal DS processor DAC Output signal Reconstruction filter Analog output

Engr. AA transmits sound signal in the vacuum which can be expressed mathematically below: x(t) = cos(2000mt) + jsin(2n100t) + cos(-2000mt) + jsin(-2m100t) - 2cos (6000mt) 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. AA. Analog input Band-limited signal Analog filter ADC Digital signal Processed digital signal DS processor DAC Output signal Reconstruction filter Analog output

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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In figure 1.35 if fc = fs = 8kHz, sketch the spectrum of 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
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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