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Problem 7-3 Which of the following signals can be sampled at a rate of 5, components? (a) a (l) = cos(2 (20)4) + cos(2π(25)!) (b) (l)=1+ cos(2π(100)) (c) (l) = cos(2π (40)4) cos(2π(50)4) 100 Hz without aliasing of any of the (d) (l) = cos(2π(15)L) cos(2π(30)1) (e) (l) = cos(2π(40)4) Justify your answer using sketches of the signal spectra and indicate the criteria you used to determine which signals will not alias.

Problem 7-3 Which of the following signals can be sampled at a rate of 5, components? (a) a (l) = cos(2 (20)4) + cos(2π(25)!) (b) (l)=1+ cos(2π(100)) (c) (l) = cos(2π (40)4) cos(2π(50)4) 100 Hz without aliasing of any of the (d) (l) = cos(2π(15)L) cos(2π(30)1) (e) (l) = cos(2π(40)4) Justify your answer using sketches of the signal spectra and indicate the criteria you used to determine which signals will not alias.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Problem 7-3 Which of the following signals can be sampled at a rate of 5, components? (a) a (l) = cos(2 (20)4) + cos(2π(25)!) (b) (l)=1+ cos(2π(100)) (c) (l) = cos(2π (40)4) cos(2π(50)4) 100 Hz without aliasing of any of the (d) (l) = cos(2π(15)L) cos(2π(30)1) (e) (l) = cos(2π(40)4) Justify your answer using sketches of the signal spectra and indicate the criteria you used to determine which signals will not alias.
Transcribed Image Text:Problem 7-3 Which of the following signals can be sampled at a rate of 5, components? (a) a (l) = cos(2 (20)4) + cos(2π(25)!) (b) (l)=1+ cos(2π(100)) (c) (l) = cos(2π (40)4) cos(2π(50)4) 100 Hz without aliasing of any of the (d) (l) = cos(2π(15)L) cos(2π(30)1) (e) (l) = cos(2π(40)4) Justify your answer using sketches of the signal spectra and indicate the criteria you used to determine which signals will not alias.
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