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signal >> Signal processing
Signals
 diric
 gauspuls
 gmonopuls
 pulstran
 tripuls
 rectpuls
 sawtooth
 square
 chirp
 specgram
 buffer
 mexihat
 meyeraux
 morlet
 shanwavf
 cmorwavf
 sigmoid_train
Filtering
 filtfilt
 filtic
 sgolayfilt
 sosfilt
 medfilt1
 movingrms
Filter analysis
 freqs freqs_plot
 grpdelay
 impz
 zplane
 fwhm
Filter conversion
 convmtx
 residuez
 residued
 sos2tf
 sos2zp
 ss2tf
 ss2zp
 tf2sos
 tf2ss
 tf2zp
 zp2sos
 zp2ss
 zp2tf
 polystab
IIR Filter design
 besself
 buttap
 butter
 cheb
 cheb1ap
 cheb2ap
 cheby1
 cheby2
 ellipap
 ellip
 ncauer
 buttord
 cheb1ord
 cheb2ord
 ellipord
 besselap
 sftrans
 bilinear
 impinvar
 invimpinvar
 iirlp2mb
 pei_tseng_notch
FIR filter design
 fir1
 fir2
 firls
 kaiserord
 remez
 sgolay
 qp_kaiser
 cl2bp
Transforms
 czt
 dctmtx
 dct2
 idct2
 dct
 idct
 dst
 idst
 dftmtx
 hilbert
 rceps
 cceps
 cplxreal
 bitrevorder
 dwt
 fht
 ifht
 fwht
 ifwht
Power spectrum analysis
 pwelch
 tfe
 tfestimate
 cohere
 csd
 ar_psd
 cpsd
 mscohere
 pburg
 pyulear
 xcorr
 xcorr2
 xcov
 __power
Window functions
 window
 barthannwin
 blackmanharris
 blackmannuttall
 bohmanwin
 boxcar
 chebwin flattopwin
 hann
 kaiser
 nuttallwin
 triang
 gaussian
 gausswin
 tukeywin
 rectwin
 welchwin
 parzenwin
System identification
 arburg
 aryule
 invfreq
 invfreqs
 invfreqz
 levinson
Sample rate change
 decimate
 interp
 downsample
 upsample
 resample
 upfirdn
 data2fun
Utility
 buffer
 findpeaks
 fracshift
 marcumq
 wkeep
 wrev
 zerocrossing
 sampled2continuous
 schtrig
 clustersegment