EE3TP4_22_DTFT_Motivation_v2_Lecture 29

EE3TP4_22_DTFT_Motivation_v2_Lecture 29 - Ch. 4: Fourier...

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Ch. 4: Fourier Analysis of D-T Signals In this chapter we do for D-T signals what we did for C-T signals in Ch. 3: Define a D-T FT (DTFT) for D-T signals and see that it works pretty much like the FT for C-T signals (CTFT) But … we also do something we can’t do for CTFT-based ideas: Develop a computer-processing version of the DTFT… called the Discrete Fourier Transform (DFT) that will allow you to use the computer to numerically compute a “view” of the DTFT Order of Coverage: Section 4.1 Sections 4.2 and 4.3 : Section 4.5 provides some applications of DFT analysis … we’ll cover some other applications in class These overheads were originally developed by Mark Fowler at Binghamton University, State University of New York.
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4.1 Discrete-Time FT (DTFT) (Very Important!)
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Recall Our Analysis of Sampling Impulse Gen CT LPF DAC x ( t ) x [ n ] = x ( nT ) “Hold” Sample at t = nT ADC f X ( f ) B
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EE3TP4_22_DTFT_Motivation_v2_Lecture 29 - Ch. 4: Fourier...

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