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Module 1:Basics of Digital Signa

Module 1:Basics of Digital Signa

作者: 狸花猫是只好猫 | 来源:发表于2018-11-13 16:25 被阅读0次

Lesson 1 Introduction to digital signal processing

discretization of time:

\bullet samples replace idealized models

\bullet simple math replaces calculus

discretization of values:

\bullet general-purpose storage

\bullet general-purpose processing(CPU)

\bullet noise can be controlled

Lesson 2 Discrete-time signals

Basic Signals

Elementary Operators

\bullet Shift(mind the difference between shiftings on Periodic Signals and Finite-Support Signals)

\bullet Scaling

\bullet Sum

\bullet Product

Energy and Power

Classes of Discrete-Time Signals

\bullet Finite-Length Signals

\bullet Periodic Signals

\bullet Finite-Support Signals

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