Filter mit einheitlicher Abtastrate
R2026aEntwerfen und implementieren Sie FIR- und IIR-Filter mit einfacher Abtastrate mithilfe der verschiedenen Funktionen, System objects und Blöcke in DSP System Toolbox™. Anhand dieser Funktionen können Sie ein Streaming-Signal in MATLAB® und Simulink® filtern.
Objekte
Funktionen
Blöcke
 | Analytic Signal | Compute analytic signals of discrete-time inputs |
 | Differentiator Filter | Direct form FIR fullband differentiator filter |
 | Discrete Filter | Model Infinite Impulse Response (IIR) filters |
 | Discrete FIR Filter | Model FIR filters |
 | Frequency-Domain FIR Filter | Filter input signal in the frequency domain |
 | Hampel Filter | Filter outliers using Hampel identifier |
 | Highpass Filter | Design FIR or IIR highpass filter |
 | Lowpass Filter | Design FIR or IIR lowpass filter |
 | Median Filter | Median filter |
 | MIMO FIR Filter | Filter input signals through multipath MIMO FIR filter (Seit R2025a) |
 | Variable Bandwidth FIR Filter | Design tunable bandwidth FIR filter |
 | Allpass Filter | Single-section or multiple-section allpass filter |
 | Allpole Filter | Model allpole filters |
 | Biquad Filter | (To be removed) Model biquadratic IIR (SOS) filters |
 | Fourth-Order Section Filter | Implement cascade of fourth-order section filters (Seit R2022a) |
 | Notch-Peak Filter | Design second-order tunable notching and peaking IIR filter |
 | Second-Order Section Filter | Implement cascade of second-order section filters (Seit R2023b) |
 | Variable Bandwidth IIR Filter | Design tunable bandwidth IIR filter |
Themen
- Removing High-Frequency Noise from an ECG Signal
This example shows how to lowpass filter an ECG signal that contains high frequency noise.
- Remove High-Frequency Noise from Gyroscope Data
Remove high-frequency noise using a median filter.
- Design a Filter in fdesign — Process Overview
Learn how to analyze, design, and implement filters in MATLAB and Simulink.
- Digital Filter Implementations
Implement your filter design using the DSP System Toolbox filter blocks.
- SSB Modulation
Perform SSB modulation in Simulink.
- Filter Frames of a Noisy Sine Wave Signal in MATLAB
This example shows how to lowpass filter a noisy signal in MATLAB® and visualize the original and filtered signals using a spectrum analyzer.
- Filter Frames of a Noisy Sine Wave Signal in Simulink
This example shows how to lowpass filter a noisy signal in Simulink and visualize the original and filtered signals with a spectrum analyzer.
- Tunable Lowpass Filtering of Noisy Input in Simulink
This example shows how to filter a noisy chirp signal with a lowpass filter that has a tunable passband frequency.
- Filter Noisy Signal Using Fourth-Order Section (FOS) Filter in Simulink
Filter noisy sinusoidal signal using fourth order section filter in Simulink.
- Variable-Size Signal Support DSP System Objects
List of System objects that support variable-sized signals in DSP System Toolbox.
Enthaltene Beispiele
Parametric Audio Equalizer
Model an algorithm specification for a three band parametric equalizer
