$SPCTOOLS= in spline directory of Dennis Brown's SPCtools
$TFTB= try Time-Frequency Tool box
signal >> Signal processing
Signals
diric
gauspuls
gmonopuls
pulstran
tripuls
rectpuls
sawtooth
square
chirp
vco modulate demod= $TFTB
specgram
buffer
mexihat
meyeraux
morlet
shanwavf
cmorwavf
sigmoid_train
Filtering
filtfilt
filtic
sgolayfilt
sosfilt
medfilt1
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
butter
cheby1
cheby2
ellip
ncauer
buttord
cheb1ord
cheb2ord
ellipord
besselap
sftrans
bilinear
impinvar
iirlp2mb
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
Power spectrum analysis
pwelch
tfe
tfestimate
cohere
csd
ar_psd
cpsd
mscohere
pburg
pcov pmcov pmtm pmusic= $SPCTOOLS
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
arcov= use ar_covar
$SPCTOOLS
armcov= use ar_mdcov
$SPCTOOLS
prony= use ar_prony
$SPCTOOLS
aryule
invfreq
invfreqs
invfreqz
levinson
Sample rate change
decimate
interp
downsample
upsample
resample
upfirdn
data2fun
Compatibility
buttap= use butter(n,1,'s')
cheb1ap= use cheby1(n,Rp,1,'s')
cheb2ap= use cheby2(n,Rs,1,'s')
ellipap= use ellip(n,Rp,Rs,1,'s')
lp2bp= use sftrans
lp2bs= use sftrans
lp2hp= use sftrans
lp2lp= use sftrans
yulewalk=use yulewalker
Utility
buffer
fracshift
marcumq
wkeep
wrev
zerocrossing
sampled2continuous