ECE 4624: Meeting 4

Sampling and Reconstruction

Author
Affiliation

Chris Wyatt

ECE@Virginia Tech

Published

August 22, 2025

Today we review how to convert CT signals to DT Signals and vice-versa. This is an important step in DSP as in many applications the system is in practice acting on a CT signal. Note again, today’s lecture is a review of prerequisite material.

READING: ?

Sampling Theory

Practical Sampling

Sample and Hold

Quantization

Anti-aliasing

Reconstruction Theory

Practical Reconstruction

zero-order hold

anti-imaging filter