Signals and Systems Using MATLAB
Luis F. Chaparro
2
Chapter 6, 7 - Application to
Control and Communications
3
What is in this chapter?
Cascade, parallel and feedback connections of LTI systems
Application of Laplace transform to classical control
Application of Fourier transform to communications
Introduction to analog filter design
4
Application to Control, Communications and Filter Design
5
System connections and block diagrams Cascade
Parallel
Feedback
6
Loading in cascading
LTI and LTV cascading
7
Application to Classical Control
plant plant
controller controller
disturbance reference
signal
8
9
car model
10
Transient Analysis
11
12
13
14
15
16
17
18
19
Application to Communications
20
21
Quadrature Amplitude Modulation (QAM)
Frequency-division Multiplexing
22
Angle Modulation
23
Narrow-band FM
24
Wide-band FM
25
26
Full-wave rectifier
Low-pass
filter
27
28
29
30
31
Analog Filter Design
LPF Design
Example: denoising
32
33
Filter Specifications --- low-pass
34
Butterworth low-pass filter design
Design
35
Chebyshev low-pass filter design
Design
36
37
38
39
What have we accomplished?
Discrete-time signals and systems Application of Fourier analysis to sampling
Where do we go from here?
Illustrated application of Laplace analysis to classical control
Introduced the design of analog filters
Showed application of Fourier steady-state analysis to communications
Application to control and communications
Transform methods and connection with Laplace
Design of discrete filters
