14

Digital Signal Analysis

CONTENTS

14.1    Digital Sampling

14.2    Digital Sampling Errors

14.2.1    Aliasing

14.2.2    Amplitude Ambiguity

14.3    Windowing*

14.4    Determining a Sample Period

14.5    Problems

Whenever we choose to describe some device or process with mathematical equations based on physical principles, we always leave the real world behind, to a greater or lesser degree. … These approximations may, in individual cases, be good, fair, or poor, but some discrepancy between modeled and real behavior always exists.

E.O. Doebelin. 1995. Engineering Experimentation. New York: McGraw-Hill.

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Exercising the right of occasional suppression ...

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