Digital Filter Design

FIR and IIR designs, pulse shaping, Savitzky-Golay smoothing filter

Functions

designfilt Design digital filters
digitalFilter Digital filter
butter Butterworth filter design
buttord Butterworth filter order and cutoff frequency
cheby1 Chebyshev Type I filter design
cheb1ord Chebyshev Type I filter order
cheby2 Chebyshev Type II filter design
cheb2ord Chebyshev Type II filter order
ellip Elliptic filter design
ellipord Minimum order for elliptic filters
polyscale Scale roots of polynomial
polystab Stabilize polynomial
impinvar Impulse invariance method for analog-to-digital filter conversion
yulewalk Recursive digital filter design
cfirpm Complex and nonlinear-phase equiripple FIR filter design
fir1 Window-based finite impulse response filter design
fir2 Frequency sampling-based finite impulse response filter design
fircls Constrained least square, FIR multiband filter design
fircls1 Constrained least square, lowpass and highpass, linear phase, FIR filter design
firls Least square linear-phase FIR filter design
firpm Parks-McClellan optimal FIR filter design
firpmord Parks-McClellan optimal FIR filter order estimation
gaussdesign Gaussian FIR pulse-shaping filter design
intfilt Interpolation FIR filter design
kaiserord Kaiser window FIR filter design estimation parameters
maxflat Generalized digital Butterworth filter design
rcosdesign Raised cosine FIR pulse-shaping filter design
sgolay Savitzky-Golay filter design
fdatool Open Filter Design and Analysis Tool
fvtool Open Filter Visualization Tool
sptool Open interactive digital signal processing tool
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