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Lecture 9

This document discusses the EEE 3105 Communication Systems course and practical issues in sampling and reconstructing signals from samples, including the problem of aliasing when the signal is not perfectly bandlimited.

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39 views29 pages

Lecture 9

This document discusses the EEE 3105 Communication Systems course and practical issues in sampling and reconstructing signals from samples, including the problem of aliasing when the signal is not perfectly bandlimited.

Uploaded by

কাশী নাথ
Copyright
© © All Rights Reserved
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EEE 3105 : Communication Systems

Course Instructor: Dr. Mosabber Uddin Ahmed


Example 6.1
Practical Issues in Sampling and Reconstruction
Practical Issues in Sampling and Reconstruction
The Treachery of Aliasing
There is another fundamental practical difficulty in
reconstructing a signal from its samples. The sampling theorem
was proved on the assumption that the signal g(t) is bandlimited.
Practical Issues in Sampling and Reconstruction
Practical Issues in Sampling and Reconstruction

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