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Digital Filter Implementation

Filtering, direct form, lattice, biquad, state-space structures

Functions

cell2sos Convert second-order sections cell array to matrix
dspfwiz Open FDATool Realize Model panel to create Simulink filter block
latc2tf Convert lattice filter parameters to transfer function form
tf2latc Convert transfer function filter parameters to lattice filter form
residuez z-transform partial-fraction expansion
sos2cell Convert second-order sections matrix to cell array
sos2ss Convert digital filter second-order section parameters to state-space form
sos2tf Convert digital filter second-order section data to transfer function form
sos2zp Convert digital filter second-order section parameters to zero-pole-gain form
ss Convert digital filter to state-space representation
ss2sos Convert digital filter state-space parameters to second-order sections form
ss2tf Convert state-space filter parameters to transfer function form
ss2zp Convert state-space filter parameters to zero-pole-gain form
tf Convert digital filter to transfer function
tf2sos Convert digital filter transfer function data to second-order sections form
tf2ss Convert transfer function filter parameters to state-space form
tf2zp Convert transfer function filter parameters to zero-pole-gain form
tf2zpk Convert transfer function filter parameters to zero-pole-gain form
zp2sos Convert zero-pole-gain filter parameters to second-order sections form
zp2ss Convert zero-pole-gain filter parameters to state-space form
zp2tf Convert zero-pole-gain filter parameters to transfer function form
zpk Convert digital filter to zero-pole-gain representation
fftfilt FFT-based FIR filtering using overlap-add method
filter Filter data with recursive (IIR) or nonrecursive (FIR) filter
filtfilt Zero-phase digital filtering
filtic Initial conditions for transposed direct-form II filter implementation
filt2block Generate Simulink filter block
latcfilt Lattice and lattice-ladder filter implementation
medfilt1 1-D median filtering
sgolayfilt Savitzky-Golay filtering
sosfilt Second-order (biquadratic) IIR digital filtering
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