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数字滤波器设计

FIR、IIR、加窗、等波纹、最小二乘、Butterworth、Chebyshev、椭圆、脉冲整形

使用一组设定 (designfilt) 或设计算法(butterfir1)作为起点设计数字滤波器。生成 FIR 微分器和 Hilbert 滤波器。

App

滤波器设计工具Design filters starting with algorithm selection

实时编辑器任务

设计滤波器Design a digital filter in the Live Editor

函数

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butterButterworth filter design
buttordButterworth filter order and cutoff frequency
cheby1Chebyshev Type I filter design
cheb1ordChebyshev Type I filter order
cheby2Chebyshev Type II filter design
cheb2ordChebyshev Type II filter order
designfiltDesign digital filters
ellipElliptic filter design
ellipordMinimum order for elliptic filters
yulewalkRecursive digital filter design
cfirpmComplex and nonlinear-phase equiripple FIR filter design
designfiltDesign digital filters
fir1Window-based FIR filter design
fir2Frequency sampling-based FIR filter design
firclsConstrained-least-squares FIR multiband filter design
fircls1Constrained-least-squares linear-phase FIR lowpass and highpass filter design
firlsLeast-squares linear-phase FIR filter design
firpmParks-McClellan optimal FIR filter design
firpmordParks-McClellan optimal FIR filter order estimation
gaussdesignGaussian FIR pulse-shaping filter design
intfiltInterpolation FIR filter design
kaiserordKaiser window FIR filter design estimation parameters
maxflatGeneralized digital Butterworth filter design
rcosdesignRaised cosine FIR pulse-shaping filter design
sgolaySavitzky-Golay filter design
digitalFilterDigital filter
doubleCast coefficients of digital filter to double precision
dspfwizCreate Simulink filter block using Realize Model panel
filt2blockGenerate Simulink filter block
infoInformation about digital filter
isdoubleDetermine if digital filter coefficients are double precision
issingleDetermine if digital filter coefficients are single precision
polyscaleScale roots of polynomial
polystabStabilize polynomial
singleCast coefficients of digital filter to single precision

滤波器可视化工具

FVToolFilter Visualization Tool

主题