Table of Contents

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

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

fftshift - rearranges the fft output, moving the zero frequency to the center of the spectrum

fft - fast Fourier transform.

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

iirgroup - group delay Lp IIR filter optimization

iirlp - Lp IIR filter optimization

iir - iir digital filter

intdec - Changes sampling rate of a signal

jmat - row or column block permutation

kalm - Kalman update

lattn - recursive solution of normal equations

lattp - lattp

levin - Toeplitz system solver by Levinson algorithm (multidimensional)

lev - Yule-Walker equations (Levinson's algorithm)

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

remezb - Minimax approximation of magnitude response

remez - Remez's algorithm

rpem - RPEM estimation

Signal - Signal manual description

sincd - digital sinc function or Direchlet kernel

sinc - samples of sinc function

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 - symmetric window

yulewalk - least-square filter design

zpbutt - Butterworth analog filter

zpch1 - Chebyshev analog filter

zpch2 - Chebyshev analog filter

zpell - lowpass elliptic filter