Contents

Index

• Getting Started

• Product Overview

Uses with Other MathWorks Products

• Filter Design with Fdesign and Filterbuilder

Filter Design Process Overview

Basic Filter Design Process

Using Filterbuilder to Design a Filter

• Designing Multirate and Multistage Filters

• Multirate Filters

Why Are Multirate Filters Needed?

Overview of Multirate Filters

• Multistage Filters

Why Are Multistage Filters Needed?

Optimal Multistage Filters in Filter Design Toolbox Software

• Example Case for Multirate/Multistage Filters

Example Overview

Single-Rate/Single-Stage Equiripple Design

Reducing Computational Cost Using Mulitrate/Multistage Design

Comparing the Response

Further Performance Comparison

• Converting from Floating-Point to Fixed-Point

• Overview of Fixed-Point Filters

What Is a Fixed-Point Filter?

• Floating-Point to Fixed-Point Conversion

Process Overview

Designing the Filter

Quantizing the Coefficients

Dynamic Range Analysis

Comparing Magnitude Response and Magnitude Response Estimate

Data Type Support

Fixed Data Type Support

Single Data Type Support

• Designing Adaptive Filters

• Adaptive Filters Tutorial

Signal Enhancement Example Overview

Create the Signals for Adaptation

Construct Two Adaptive Filters

Choose the Step Size

Set the Adapting Filter Step Size

Filter with the Adaptive Filters

Compute the Optimal Solution

Plot the Results

Compare the Final Coefficients

Reset the Filter Before Filtering

Investigate Convergence Through Learning Curves

Compute the Learning Curves

Compute the Theoretical Learning Curves

• Release Notes

Learn more about Filter Design Toolbox

Getting Started

Product Overview	Describes the key features of the toolbox
Filter Design with Fdesign and Filterbuilder	Describes an easy design process for a simple filter
Designing Multirate and Multistage Filters	Describes the advantages of multistage filters and how to design them
Converting from Floating-Point to Fixed-Point	Teaches how to convert a floating-point filter to fixed-point
Designing Adaptive Filters	An introduction to designing Adaptive Filters using Filter Design Toolbox software

Product Overview

Product Overview

Free Early Verification Kit

Learn how to apply early verification to your development process through these technical resources.

Get technical kit

Trial software available

How much time do you spend on testing to ensure implementation meets system-level requirements?

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