Upload
aleesha-byrd
View
267
Download
7
Tags:
Embed Size (px)
Citation preview
1
Digital Signal Processing
2
Digital Signal ProcessingTopic 8: Filter Design: IIR
1. Filter Design Specifications
2. Analog Filter Design
3. Digital Filters from Analog Prototypes
3
1. Filter Design Specifications
4
Performance Constraints
5
Performance Constraints
6
Passband Ripple
7
Stopband Ripple
8
Filter Type Choice : FIR vs. IIR
9
FIR vs. IIR
10
IIR Filter Design
11
2. Analog Filter Design
12
CT Transfer Functions
13
Butterworth Filters
14
Butterworth Filters
15
Butterworth Filters
16
Butterworth Filters
17
Butterworth Example
18
Butterworth Example
19
Chebyshev I Filter
20
Chebyshev I Filter
21
Chebyshev I Filter
22
Chebyshev II Filter
23
Elliptical (Cauer) Filters
24
Analog Filter Types Summary
25
Analog Filter Transformations
26
Lowpass-to-Highpass
27
Lowpass-to-Highpass
28
Transformation Example
29
Transformation Example
30
Transformation Example
31
3. Analog Protos IIR Filters
32
CT to DT Transformation
33
Bilinear Transformation
34
Bilinear Trnsformation
35
Bilinear Transformation
36
Frequency Warping
37
Design Procedure
38
Bilinear Transform Example
39
Bilinear Transform Example
40
Bilinear Transform Example
41
Other Filter Shapes
42
DT Spectral Transformations
43
DT Frequency Warping
44
Another Design Example
45
Another Design Example