Signal processing (scipy.signal)

Convolution

convolve
correlate
fftconvolve
convolve2d
correlate2d
sepfir2d

B-splines

bspline
gauss_spline
cspline1d
qspline1d
cspline2d
qspline2d
spline_filter

Filtering

order_filter
medfilt
medfilt2d
wiener
symiirorder1
symiirorder2
lfilter
lfiltic
deconvolve
hilbert
get_window
decimate
detrend
resample

Filter design

bilinear
firwin
firwin2
freqs
freqz
iirdesign
iirfilter
kaiser_atten
kaiser_beta
kaiserord
remez
unique_roots
residue
residuez
invres

Matlab-style IIR filter design

butter
buttord
cheby1
cheb1ord
cheby2
cheb2ord
ellip
ellipord
bessel

Linear Systems

lti
lsim
lsim2
impulse
impulse2
step
step2

LTI Representations

tf2zpk
zpk2tf
tf2ss
ss2tf
zpk2ss
ss2zpk

Waveforms

chirp
gausspulse
sawtooth
square
sweep_poly

Window functions

get_window
barthann
bartlett
blackman
blackmanharris
bohman
boxcar
chebwin
flattop
gaussian
general_gaussian
hamming
hann
kaiser
nuttall
parzen
slepian
triang

Wavelets

cascade
daub
morlet
qmf