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- % Signal Processing Toolbox.
- % Version 2.0b 13-Nov-92
- % Copyright (c) 1988-92 by The MathWorks, Inc.
- %
- % Analog lowpass filter prototypes.
- % buttap - Butterworth filter prototype.
- % cheb1ap - Chebyshev type I filter prototype (passband ripple).
- % cheb2ap - Chebyshev ty[pe II filter prototype (stopband ripple).
- % ellipap - Elliptic filter prototype.
- %
- % IIR digital filter design.
- % butter - Butterworth filter design.
- % cheby1 - Chebyshev type I filter design.
- % cheby2 - Chebyshev type II filter design.
- % ellip - Elliptic filter design.
- % yulewalk - Yule-Walker filter design.
- %
- % FIR filter design.
- % fir1 - Window based FIR filter design - low, high, band, stop.
- % fir2 - Window based FIR filter design - arbitrary response.
- % remez - Parks-McClellan optimal FIR filter design.
- %
- % Filter order selection.
- % buttord - Butterworth filter order selection.
- % cheb1ord - Chebyshev type I filter order selection.
- % cheb2ord - Chebyshev type II filter order selection.
- % ellipord - Elliptic filter order selection.
- %
- % Filter transformations.
- % bilinear - Bilinear transformation with optional prewarping.
- % lp2bp - Lowpass to bandpass analog filter transformation.
- % lp2bs - Lowpass to bandstop analog filter transformation.
- % lp2hp - Lowpass to highpass analog filter transformation.
- % lp2lp - Lowpass to lowpass analog filter transformation.
- % ss2zp - State-space to zero-pole conversion.
- % tf2ss - Transfer function to state-space conversion.
- % zp2ss - Zero-pole to state-space conversion.
- %
- % Filter analysis and implementation.
- % abs - Magnitude.
- % angle - Phase angle.
- % filter - Filter implementation.
- % filtfilt - Zero-phase version of filter.
- % fftfilt - Overlap-add filter implementation.
- % filtic - Determine filter initial conditions.
- % freqs - Laplace transform frequency response.
- % freqz - Z-transform frequency response.
- % grpdelay - Group delay.
- % unwrap - Unwrap phase.
- %
- % Parametric Modeling.
- % invfreqs - Analog filter fit to frequency response.
- % invfreqz - Discrete filter fit to frequency response.
- % prony - Prony's discrete filter fit to time response.
- % ident - See also the Identification Toolbox.
- %
- % Spectral analysis.
- % cceps - Complex cepstrum.
- % czt - Chirp-z transform.
- % detrend - Linear trend removal.
- % fft - Fast Fourier transform.
- % fftshift - Swap vector halves.
- % hilbert - Hilbert transform.
- % ifft - Inverse fast Fourier transform.
- % czt - Chirp-z transform.
- % rceps - Real cepstrum and minimum pahse reconstruction.
- % specplot - Plot output of spectrum function.
- % specgram - Spectrogram, for speech signals.
- % spectrum - Power spectrum estimate, Welch method.
- %
- % Correlation and convolution.
- % conv - Convolution.
- % corrcoef - Correlation coefficients.
- % cov - Covariance matrix.
- % deconv - Deconvolution.
- % xcorr - Cross-correlation function.
- % xcov - Covariance function.
- %
- % Two-dimensional signal and image processing.
- % conv2 - 2-D convolution.
- % fft2 - 2-D fast Fourier transform.
- % fftshift - Swap quadrants of array.
- % ifft2 - Inverse 2-D fast Fourier transform.
- % xcorr2 - 2-D cross-correlation.
- %
- % Windows.
- % bartlett - Bartlett window.
- % blackman - Blackman window.
- % boxcar - Rectangular window.
- % chebwin - Chebyshev window.
- % hamming - Hamming window.
- % hanning - Hanning window.
- % kaiser - Kaiser window.
- % triang - Triangular window.
- %
- % Decimation and interpolation.
- % decimate - Resample data at a lower sample rate.
- % interp - Resample data at a higher sample rate.
- % interp1 - General 1-D interpolation.
- %
- % Other.
- % stem - Plot discrete data sequence.
- % convmtx - Convolution matrix.
- % cplxpair - Order vector into complex conjugate pairs.
- % dftmtx - Discrete Fourier transform matrix.
- % mpoles - Identify repeated poles and their multiplicities.
- % polystab - Polynomial stabilization.
- % residuez - Z-transform partial fraction expansion.
- % sawtooth - Sawtooth function.
- % square - Square wave function.
-
- % Utilities.
- % abcdchk - Check consistency of (A,B,C,D) set.
- % comb - Same as stem - for backward compatibility.
- % denf - Denominator from covariances for YULEWALK.
- % filtdemo - Filter design demonstration.
- % kratio - Utility for ELLIP.
- % nargchk - Check number of M-file arguments.
- % numf - Find numerator from impulse response for YULEWALK.
- % rcunwrap - Phase unwrap specific to the real cepstrum.
- % remezdd - Lagrange interpolation coefficients for REMEZ.
- % vratio - Utility for ELLIP.
- % Copyright (c) 1982-92 by The MathWorks, Inc.
- % All rights reserved.
-