| |
| |
| |
Introduction | |
| |
| |
Mathematical Representation of Signals | |
| |
| |
Mathematical Representation of Systems | |
| |
| |
Thinking about Systems | |
| |
| |
| |
Sinusoids | |
| |
| |
Tuning Fork Experiment | |
| |
| |
Review of Sine and Cosine Functions | |
| |
| |
Sinusoidal Signals | |
| |
| |
Sampling and Plotting Sinusoids | |
| |
| |
Complex Exponentials and Phasors | |
| |
| |
Phasor Addition | |
| |
| |
Physics of the Tuning Fork | |
| |
| |
Time Signals: More Than Formulas | |
| |
| |
| |
Spectrum Representation | |
| |
| |
The Spectrum of a Sum of Sinusoids | |
| |
| |
Beat Notes | |
| |
| |
Periodic Waveforms | |
| |
| |
More Periodic Signals | |
| |
| |
Fourier Series Analysis and Synthesis | |
| |
| |
Time-Frequency Spectrum | |
| |
| |
Frequency Modulation: Chirp Signals | |
| |
| |
| |
Sampling and Aliasing | |
| |
| |
Sampling | |
| |
| |
Spectrum View of Sampling and Reconstruction | |
| |
| |
Strobe Demonstration | |
| |
| |
Discrete-to-Continuous Conversion | |
| |
| |
The Sampling Theorem | |
| |
| |
| |
FIR Filters | |
| |
| |
Discrete-Time Systems | |
| |
| |
The Running Average Filter | |
| |
| |
The General FIR Filter | |
| |
| |
Implementation of FIR Filters | |
| |
| |
Linear Time-Invariant (LTI) Systems | |
| |
| |
Convolution and LTI Systems | |
| |
| |
Cascaded LTI Systems | |
| |
| |
Example of FIR Filtering | |
| |
| |
| |
Frequency Response of FIR Filters | |
| |
| |
Sinusoidal Response of FIR Systems | |
| |
| |
Superposition and the Frequency Response | |
| |
| |
Steady State and Transient Response | |
| |
| |
Properties of the Frequency Response | |
| |
| |
Graphical Representation of the Frequency Response | |
| |
| |
Cascaded LTI Systems | |
| |
| |
Running-Average Filtering | |
| |
| |
Filtering Sampled Continuous-Time Signals | |
| |
| |
| |
z-Transforms | |
| |
| |
Definition of the z-Transform | |
| |
| |
The z-Transform and Linear Systems | |
| |
| |
Properties of the z-Transform | |
| |
| |
The z-Transform as an Operator | |
| |
| |
Convolution and the z-Transform | |
| |
| |
Relationship between the z -Domain and the <F128>w-Domain | |
| |
| |
Useful Filters | |
| |
| |
Practical Bandpass Filter Design | |
| |
| |
Properties of Linear Phase Filters | |
| |
| |
| |
IIR Filters | |
| |
| |
The General IIR Difference Equation | |
| |
| |
Time-Domain Response | |
| |
| |
System Function of an IIR Filter | |
| |
| |
Poles and Zeros | |
| |
| |
Frequency Response of an IIR Filter | |
| |
| |
Three Domains | |
| |
| |
The Inverse z-Transform and Some Applications | |
| |
| |
Steady-State Response and Stability | |
| |
| |
Second-Order Filters | |
| |
| |
Frequency Response of Second-Order IIR Filter | |
| |
| |
Example of an IIR Lowpass Filter | |
| |
| |
| |
Continuous-Time Signals and LTI Systems | |
| |
| |
Continuous-Time Signals | |
| |
| |
The Unit Impulse | |
| |
| |
Continuous-Time Systems | |
| |
| |
Linear Time-Invariant Systems | |
| |
| |
Impulse Responses of Basic LTI Systems | |
| |
| |
Convolution of Impulses | |
| |
| |
Evaluating Convolution Integrals | |
| |
| |
Properties of LTI Systems | |
| |
| |
Using Convolution to Remove Multipath Distortion | |
| |
| |
| |
The Frequency Response | |
| |
| |
The Frequency Response Function for LTI Systems | |
| |
| |
Response to Real Sinusoidal Signals | |
| |
| |
Ideal Filters | |
| |
| |
Application of Ideal Filters | |
| |
| |
Time-Domain or Frequency-Domain? | |
| |
| |
| |
Continuous-Time Fourier Transform | |
| |
| |
Definition of the Fourier Transform | |
| |
| |
The Fourier Transform and the Spectrum | |
| |
| |
Existence and Convergence of the Fourier Transform | |
| |
| |
Examples of Fourier Transform Pairs | |
| |
| |
Properties of Fourier Transform Pairs | |
| |
| |
The Convolution Property | |
| |
| |
Basic LTI Systems | |
| |
| |
The Multiplication Property | |
| |
| |
Table of Fourier Transform Properties and Pairs | |
| |
| |
Using the Fourier Transform for Multipath Analysis | |
| |
| |
| |
Filtering, Modulation, and Sampling | |
| |
| |
Linear Time-Invariant Systems | |
| |
| |
Sinewave Amplitude Modulation | |
| |
| |
Sampling and Reconstruction | |
| |
| |
| |
Computing the Spectrum | |
| |
| |
Finite Fourier Sum | |
| |
| |
Too Many Fourier Transforms? Time-windowing | |
| |
| |
Analysis of a Sum of | |