Signal
- Signal manual description
analpf
- create analog low-pass filter
buttmag
- response of Butterworth filter
casc
- cascade realization of filter from coefficients
cepstrum
- cepstrum calculation
cheb1mag
- response of Chebyshev type 1 filter
cheb2mag
- response of type 2 Chebyshev filter
chepol
- Chebychev polynomial
convol
- convolution
corr
- correlation, covariance
cspect
- spectral estimation (correlation method)
czt
- chirp z-transform algorithm
detrend
- remove constant, linear or piecewise linear trend from a vector
dft
- discrete Fourier transform
ell1mag
- magnitude of elliptic filter
eqfir
- minimax approximation of FIR filter
eqiir
- Design of iir filters
faurre
- filter computation by simple Faurre algorithm
ffilt
- coefficients of FIR low-pass
fft
- fast Fourier transform.
ifft
- fast Fourier transform.
fft2
- two-dimension fast Fourier transform
fftshift
- rearranges the fft output, moving the zero frequency to the center of the spectrum
filter
- modelling filter
find_freq
- parameter compatibility for elliptic filter design
findm
- for elliptic filter design
frfit
- frequency response fit
frmag
- magnitude of FIR and IIR filters
fsfirlin
- design of FIR, linear phase filters, frequency sampling technique
group
- group delay for digital filter
hank
- covariance to hankel matrix
hilb
- Hilbert transform
iir
- iir digital filter
iirgroup
- group delay Lp IIR filter optimization
iirlp
- Lp IIR filter optimization
intdec
- Changes sampling rate of a signal
jmat
- row or column block permutation
kalm
- Kalman update
lattn
- recursive solution of normal equations
lattp
- lattp
lev
- Yule-Walker equations (Levinson's algorithm)
levin
- Toeplitz system solver by Levinson algorithm (multidimensional)
lgfft
- utility for fft
lindquist
- Lindquist's algorithm
mese
- maximum entropy spectral estimation
mfft
- multi-dimensional fft
mrfit
- frequency response fit
%asn
- elliptic integral
%k
- Jacobi's complete elliptic integral
%sn
- Jacobi 's elliptic function
phc
- Markovian representation
pspect
- cross-spectral estimate between 2 series
remez
- Remez's algorithm
remezb
- Minimax approximation of magnitude response
rpem
- RPEM estimation
sinc
- samples of sinc function
sincd
- digital sinc function or Direchlet kernel
srfaur
- square-root algorithm
srkf
- square root Kalman filter
sskf
- steady-state Kalman filter
system
- observation update
trans
- low-pass to other filter transform
wfir
- linear-phase FIR filters
wiener
- Wiener estimate
wigner
- 'time-frequency' wigner spectrum
window
- compute symmetric window of various type
yulewalk
- least-square filter design
zpbutt
- Butterworth analog filter
zpch1
- Chebyshev analog filter
zpch2
- Chebyshev analog filter
zpell
- lowpass elliptic filter