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单速率滤波器

FIR、IIR、叠加 FIR、双二阶、格型、法罗

使用 DSP System Toolbox™ 中的各种函数、System object 与模块设计和实现 FIR 与 IIR 单速率滤波器。这些功能使您能够在 MATLAB® 和 Simulink® 中对流信号进行滤波。

对象

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dsp.AnalyticSignalAnalytic signals of discrete-time inputs
dsp.DifferentiatorDirect form FIR fullband differentiator filter
dsp.FIRFilterStatic or time-varying FIR filter
dsp.HampelFilterFilter outliers using Hampel identifier
dsp.HighpassFilterFIR or IIR highpass filter
dsp.LowpassFilterFIR or IIR lowpass filter
dsp.MedianFilterMedian filter
dsp.VariableBandwidthFIRFilterVariable bandwidth FIR filter
dsp.FrequencyDomainFIRFilterFilter input signal in frequency domain
dsp.MIMOFIRFilterFilter input signals through multipath MIMO FIR filter (自 R2024b 起)
dsp.AllpassFilterSingle section or cascaded allpass filter
dsp.AllpoleFilterIIR Filter with no zeros
dsp.CoupledAllpassFilterCoupled allpass IIR filter
dsp.FourthOrderSectionFilterImplement cascade of fourth-order section filter
dsp.HighpassFilterFIR or IIR highpass filter
dsp.IIRFilterInfinite impulse response (IIR) filter
dsp.LowpassFilterFIR or IIR lowpass filter
dsp.NotchPeakFilterSecond-order tunable notching and peaking IIR filter
dsp.SOSFilterImplement cascade of second order section filters
dsp.VariableBandwidthIIRFilterVariable bandwidth IIR filter

函数

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designLowpassFIRDesign and implement lowpass FIR filter (自 R2023b 起)
designHighpassFIRDesign and implement highpass FIR filter (自 R2023b 起)
designBandpassFIRDesign and implement bandpass FIR filter (自 R2023b 起)
designBandstopFIRDesign and implement bandstop FIR filter (自 R2023b 起)
designHalfbandFIRDesign and implement halfband FIR filter (自 R2023b 起)
designLowpassIIRDesign and implement lowpass IIR filter (自 R2023b 起)
designHighpassIIRDesign and implement highpass IIR filter (自 R2023b 起)
designBandpassIIRDesign and implement bandpass IIR filter (自 R2023b 起)
designBandstopIIRDesign and implement bandstop IIR filter (自 R2023b 起)
designHalfbandIIRDesign and implement halfband IIR filter in the form of a coupled allpass filter (自 R2023b 起)
designNotchPeakIIRDesign and implement high-order Butterworth notch or peak IIR filter (自 R2023b 起)

模块

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Analytic SignalCompute analytic signals of discrete-time inputs
Differentiator FilterDirect form FIR fullband differentiator filter
Discrete Filter构建无限冲激响应 (IIR) 滤波器模型
Discrete FIR Filter构建 FIR 滤波器模型
Frequency-Domain FIR FilterFilter input signal in the frequency domain
Hampel FilterFilter outliers using Hampel identifier
Highpass FilterDesign FIR or IIR highpass filter
Lowpass FilterDesign FIR or IIR lowpass filter
Median FilterMedian filter
MIMO FIR FilterFilter input signals through multipath MIMO FIR filter (自 R2025a 起)
Variable Bandwidth FIR FilterDesign tunable bandwidth FIR filter
Allpass FilterSingle-section or multiple-section allpass filter
Allpole FilterModel allpole filters
Biquad FilterModel biquadratic IIR (SOS) filters
Fourth-Order Section FilterImplement cascade of fourth-order section filters (自 R2022a 起)
Notch-Peak FilterDesign second-order tunable notching and peaking IIR filter
Second-Order Section FilterImplement cascade of second-order section filters (自 R2023b 起)
Variable Bandwidth IIR FilterDesign tunable bandwidth IIR filter

主题

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