Filter Design
You can design and analyze a variety of digital FIR and IIR filters using DSP System Toolbox™ functions and apps. Some of these filters include advanced filters such as Nyquist filters, halfband filters, advanced equiripple filters, and quasi-linear phase IIR filters.
Apps
Filter Builder | Design filters starting with frequency and magnitude specifications
(filterBuilder ) |
Functions
Objects
Blocks
Topics
- Using Filter Designer
Use Filter Designer as a powerful yet convenient graphical tool to design and analyze filters.
- Design a Filter in Fdesign — Process Overview
Learn how to analyze, design, and implement filters in MATLAB® and Simulink®.
- Filter Builder Design Process
filterBuilder
GUI. - Use Filter Designer with DSP System Toolbox Software
Presents a detailed reference covering the fixed-point, multirate, and scaling pages of the Filter Designer App.
- Lowpass FIR Filter Design
This example shows how to design a lowpass FIR filter using
fdesign
. - Controlling Design Specifications in Lowpass FIR Design
This example shows how to control the filter order, passband ripple, stopband attenuation, and transition region width of a lowpass FIR filter.
- Minimax FIR Filter Design
This example shows how to use some of the key features of the generalized Remez FIR filter design function.
- Designing Filters with Non-Equiripple Stopband
This example shows how to design lowpass filters with stopbands that are not equiripple.
- Design and Implement a Filter
Design a digital lowpass filter and incorporate it into your model to simulate the presence of low frequency noise.
- Minimizing Lowpass FIR Filter Length
This example shows how to minimize the number coefficients, by designing minimum-phase or minimum-order filters.
- References — Advanced Filters
Suggested reading and sources for advanced filter design topics.