Download Filter Design Toolbox User`s Guide

Transcript
3
Quantization and
Quantized Filtering
Binary Data Types . . . . . . . . . .
Digital Filters . . . . . . . . . . . . .
Quantized Filter Types . . . . . . . . .
Quantized Filter Structures . . . . . . .
Data Format for Quantized Filters . . . .
Quantized FFTs and Quantized Inverse FFTs
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Introductory Quantized Filter Example . .
Constructing an Eight-Bit Quantized Filter . . .
Analyzing Poles and Zeros with zplane . . . . .
Analyzing the Impulse Response with impz . . .
Analyzing the Frequency Response with freqz . .
Noise Loading Frequency Response Analysis: nlm
Analyzing Limit Cycles with limitcycle . . . . .
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. 3-7
. 3-8
. 3-10
. 3-10
. 3-11
. 3-12
. 3-13
Fixed-Point Arithmetic . .
Radix Point Interpretation . .
Dynamic Range and Precision
Overflows and Scaling . . .
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Floating-Point Arithmetic
Scientific Notation . . . .
The IEEE Format . . . .
The Exponent . . . . . .
The Fraction . . . . . .
The Sign Bit . . . . . . .
Single-Precision Format . .
Double-Precision Format .
Custom Floating-point . .
Dynamic Range . . . . .
Exceptional Arithmetic . .
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. 3-18
. 3-18
. 3-19
. 3-19
. 3-19
. 3-19
. 3-20
. 3-20
. 3-21
. 3-21
. 3-23
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3-3
3-3
3-4
3-4
3-5
3-6
3-15
3-16
3-16
3-17