Scilab Online Help
6.0.1 - Português

• Ajuda do Scilab
• Scilab
• Equações Diferenciais
• Funções Elementares
• Linear Algebra
• Interpolação
• CACSD
• Polinômios
• Processamento de Sinais
• FFTW
• Funções Especiais
• Randlib
• ARnoldi PACKage
• Estatística
• Matrizes Esparsas
• Interfaces com UMFPACK (sparse)
• Otimização e Simulação
• Algoritmos Genéticos
• Arrefecimento Simulado
• XML Management
• HDF5 Management
• Arquivos : funções de Entrada/Saída
• Funções de Entrada/Saída
• Biblioteca de Gráficos
• Gráficos : exportando e imprimindo
• IGU
• Estruturas de Dados
• Parâmetros
• Booleanos
• Inteiros
• Cadeias de Caracteres (Strings)
• Manipulação de Arquivos de Som
• Data e Hora
• Funções de Saída
• Xcos
• Planilhas
• Console
• Gerenciador de histórico
• Entrada/Saída de Arquivos Matlab Binários
• Dicas de Conversão de Matlab para Scilab
• Funções de Compatibilidade
• Funções
• Ferramentas de Desenvolvimento
• Ferramentas de Demonstração
• Link Dinâmico/incremental
• Ferramentas Windows
• ATOMS
• Interfaces com Tcl/Tk
• Scilab editor (Scinotes)
• UI Data
• Gerenciamento de ajuda online
• Parallel
• Modules manager
• Localização
• API Scilab
• call_scilab API
• JVM
• Java from Scilab
• Interface Java
• Preferences
• Lint tool (SLint)

Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
However, this page did not exist in the previous stable version.

Ajuda do Scilab >> Processamento de Sinais

Processamento de Sinais

• Correlation Convolution
  • conv — discrete 1-D convolution.
  • conv2 — discrete 2-D convolution.
  • convol2d — discrete 2-D convolution, using fft.
  • corr — correlation, covariance
  • hank — covariance to hankel matrix
  • xcorr — Computes discrete auto or cross correlation
• Filters
  • analpf — create analog low-pass filter
  • buttmag — Power transmission of a Butterworth filter
  • casc — cascade realization of filter from coefficients
  • cheb1mag — response of Chebyshev type 1 filter
  • cheb2mag — response of type 2 Chebyshev filter
  • convol — convolution
  • 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
  • filt_sinc — samples of sinc function
  • filter — filters a data sequence using a digital filter
  • find_freq — parameter compatibility for elliptic filter design
  • frmag — magnitude of FIR and IIR filters
  • fsfirlin — design of FIR, linear phase filters, frequency sampling technique
  • group — group delay for digital 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
  • kalm — Kalman update
  • lev — Yule-Walker equations (Levinson's algorithm)
  • levin — Toeplitz system solver by Levinson algorithm (multidimensional)
  • lindquist — Lindquist's algorithm
  • remez — Remez exchange algorithm for the weighted chebyshev approximation of a continuous function with a sum of cosines.
  • remezb — Minimax approximation of magnitude response
  • 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
  • wfir_gui — Graphical user interface that can be used to interactively design wfir 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
• How to
  • How to design an elliptic filter — How to design an elliptic filter (analog and digital)
• Identification
  • frfit — frequency response fit
  • lattn — recursive solution of normal equations
  • lattp — Identification of MA part of a vector ARMA process
  • mrfit — frequency response fit
  • phc — Markovian representation
  • rpem — Recursive Prediction-Error Minimization estimation
• Miscellaneous
  • bilt — bilinear or biquadratic transform SISO system given by a zero/poles representation
  • sincd — digital sinc function or Dirichlet kernel
• Spectral estimation
  • cepstrum — cepstrum calculation
  • cspect — two sided cross-spectral estimate between 2 discrete time signals using the correlation method
  • czt — chirp z-transform algorithm
  • intdec — Changes sampling rate of a signal
  • mese — maximum entropy spectral estimation
  • pspect — two sided cross-spectral estimate between 2 discrete time signals using the Welch's average periodogram method.
• Transforms
  • idct — Inverse discrete cosine transform.
  • idst — Inverse discrete sine transform.
  • ifft — Inverse fast Fourier transform.
  • fft2 — two-dimension fast Fourier transform
  • fftshift — rearranges the fft output, moving the zero frequency to the center of the spectrum
  • hilb — FIR approximation to a Hilbert transform filter
  • ifftshift — inverse of fftshift
• detrend — remove constant, linear or piecewise linear trend from a vector
• xcov — Computes discrete auto or cross covariance

Report an issue
<< Polinômios	Ajuda do Scilab	FFTW >>

---