signal >> Signal processing
Signals
  buffer
  chirp
  cmorwavf
  diric
  gauspuls
  gmonopuls
  mexihat
  meyeraux
  morlet
  pulstran
  rectpuls
  sawtooth
  shanwavf
  shiftdata
  sigmoid_train
  specgram
  square
  tripuls
  udecode
  uencode
  unshiftdata
  vco
Signal Measurement
  findpeaks
  peak2peak
  peak2rms
# rms is moved to core octave as of v11
  rms = rms has moved to the octave core from v11.0.0 onwards
  rssq
Correlation and Convolution
  cconv
  convmtx
  wconv
  xcorr
  xcorr2
  xcov
Filtering
  filtfilt
  filtic
  medfilt1
  movingrms
  sgolayfilt
  sosfilt
Filter Analysis
  filternorm
  filtord
  freqs
  freqs_plot
  fwhm
  grpdelay
  impz
  isallpass
  ismaxphase
  isminphase
  isstable
  phasez
  zplane
Filter Conversion
  polystab
  residued
  residuez
  sos2ss
  sos2tf
  sos2zp
  sos2cell
  ss2tf
  ss2zp
  tf2sos
  tf2ss
  tf2zp
  zp2sos
  zp2ss
  zp2tf
IIR Filter Design
  besselap
  besself
  bilinear
  buttap
  butter
  buttord
  cheb
  cheb1ap
  cheb1ord
  cheb2ap
  cheb2ord
  cheby1
  cheby2
  ellip
  ellipap
  ellipord
  iirlp2mb
  impinvar
  invimpinvar
  firpm
  firpmord
  ncauer
  pei_tseng_notch
  sftrans
FIR Filter Design
  cl2bp
  fir1
  fir2
  firls
  kaiserord
  qp_kaiser
  remez
  sgolay
Transforms
  bitrevorder
  cceps
  cplxreal
  czt
  dct
  dct2
  dctmtx
  dftmtx
  digitrevorder
  dst
  dwt
  fht
  fwht
  hilbert
  idct
  idct2
  idst
  ifht
  ifwht
  rceps
Power Spectrum Analysis
  ar_psd
  cohere
  cpsd
  csd
  db2pow
  mscohere
  pburg
  pow2db
  pwelch
  pyulear
  tfe
  tfestimate
  __power
Window Functions
  barthannwin
  blackmanharris
  blackmannuttall
  bohmanwin
  boxcar
  chebwin
  expwin
  flattopwin
  gaussian
  gausswin
  hann
  kaiser
  nuttallwin
  parzenwin
  poisswin
  rectwin
  taylorwin
  triang
  tukeywin
  ultrwin
  welchwin
  window
  wvtool
System Identification
  arburg
  aryule
  invfreq
  invfreqs
  invfreqz
  levinson
  lpc
Sample Rate Change
  data2fun
  decimate
  downsample
  interp
  resample
  upfirdn
  upsample
Pulse Metrics
  statelevels
Utility
  buffer
  clustersegment
  fracshift
  marcumq
  primitive
  sampled2continuous
  schtrig
  upsamplefill
  wkeep
  wrev
  zerocrossing
