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Ajuda Scilab >> Processamento de Sinais

Processamento de Sinais

  • How to
  • Signal — Signal manual description
  • analpf — create analog low-pass filter
  • bilt — bilinear or biquadratic transform SISO system given by a zero/poles representation
  • buttmag — Power transmission of a 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 — two sided cross-spectral estimate between 2 discrete time signals using the 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.
  • fft2 — two-dimension fast Fourier transform
  • fftshift — rearranges the fft output, moving the zero frequency to the center of the spectrum
  • filt_sinc — samples of sinc function
  • filter — filters a data sequence using a digital 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 — FIR approximation to a Hilbert transform filter
  • hilbert — Discrete-time analytic signal computation of a real signal using 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)
  • lindquist — Lindquist's algorithm
  • mese — maximum entropy spectral estimation
  • mfft — multi-dimensional fft
  • mrfit — frequency response fit
  • percentasn — elliptic integral
  • percentk — Jacobi's complete elliptic integral
  • percentsn — Jacobi 's elliptic function
  • phc — Markovian representation
  • pspect — two sided cross-spectral estimate between 2 discrete time signals using the Welch's average periodogram method.
  • remez — Remez exchange algorithm for the weighted chebyshev approximation of a continuous function with a sum of cosines.
  • remezb — Minimax approximation of magnitude response
  • rpem — Recursive Prediction-Error Minimization estimation
  • sincd — digital sinc function or Direchlet kernel
  • srfaur — square-root algorithm
  • srkf — square root Kalman filter
  • sskf — steady-state Kalman filter
  • syredi — Design of iir filters, syredi code interface
  • 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
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Last updated:
Thu May 12 11:45:24 CEST 2011