- barthannwin
Bartlett-Hann window.
- bessel3ap
Create a normalized Bessel analog lowpass prototype filter in zero-pole-gain form.
- besselap
Create a normalized Bessel analog lowpass prototype filter in zero-pole-gain form.
- besself
Create a Bessel filter.
- besself3
Create a Bessel filter.
- blackman
Blackman window.
- buttap
Create a normalized Butterworth analog lowpass prototype filter in zero-pole-gain form.
- butter
Create a Butterworth filter.
- buttord
Design a Butterworth filter.
- cheb1ap
Create a normalized Chebyshev I analog lowpass prototype filter in zero-pole-gain form.
- cheb2ap
Create a normalized Chebyshev II analog lowpass prototype filter in zero-pole-gain form.
- cheb1ord
Design a Chebyshev I filter.
- cheb2ord
Design a Chebyshev II filter.
- chebwin
Dolph-Chebyshev window.
- cheby1
Create a Chebyshev I filter.
- cheby2
Create a Chebyshev II filter.
- chirp
Generate a chirp signal.
- cmorwavf
Generate a complex Morlet wavelet.
- cpsd
Compute cross power spectral density.
- downsample
Downsample a signal.
- dba
Acoustic A-weighting function.
- dbb
Acoustic B-weighting function.
- dbc
Acoustic C-weighting function.
- dbu
Acoustic U-weighting function.
- diric
Generate the Dirichlet function.
- ellip
Create an Elliptic filter.
- ellipap
Create a normalized Elliptic analog lowpass prototype filter in zero-pole-gain form.
- ellipord
Design an Elliptic filter.
- fft
Fast Fourier Transform.
- fft2
Two Dimensional Fast Fourier Transform.
- fftn
N dimensional fast Fourier transform (FFT).
- fftshift
Shift frequency spectrum related vectors to center the dc element
- filter
Filter a signal with an IIR or FIR filter.
- filter2
Perform 2D FIR filtering.
- filtfilt
Filter a signal forward and then backward, compensating for end effects.
- filtic
Determine the initial state condition of an IIR filter, given the input and output signal histories.
- findpeaks
Locate the peaks of a signal.
- fir1
Create a digital FIR filter.
- firls
Create a digital FIR multi-band filter with a least squares fitting.
- fold
Create one-sided spectrum amplitude vectors from the two-sided equivalents.
- freq
Generate a vector of frequency locations.
- freqs
Compute analog filter frequency response values.
- freqz
Compute digital filter frequency response values.
- gauspuls
Generate a sampled Gaussian modulated sinusoidal pulse centered at zero, with a specified center frequency and fractional bandwidth.
- gmonopuls
Generate a sampled Gaussian monopulse.
- grpdelay
Compute digital filter group delay values.
- hamming
Hamming window.
- hann
Hann window.
- hilbert
Hilbert transform.
- ifft
Inverse Fast Fourier transform.
- ifft2
Two-dimensional inverse fast Fourier transform.
- ifftn
N dimensional inverse fast Fourier transform.
- ifftshift
Shift frequency spectrum related vectors to uncenter the dc element to the first position.
- impz
Compute the impulse response of a digital filter.
- invfreqs
Compute analog filter coefficients from frequency response values.
- invfreqz
Compute digital filter coefficients from frequency response values.
- istft
Inverse Short-Time Fourier Transform.
- kaiser
Kaiser-Bessel window.
- medfilt1
Applies a moving median filter in one dimension.
- mexihat
Generate a Mexican hat wavelet.
- meyeraux
Generate a Meyer auxiliary wavelet.
- mscohere
Estimates the mean squared coherence of time domain signals.
- morlet
Generate a Morlet wavelet.
- parzenwin
Parzen window.
- peak2peak
Compute signal maximum to minimum differences.
- peak2rms
Compute signal peak to rms ratios.
- pulstran
Generate a pulse train, with the pulse defined either by a function or a sampled pulse.
- pwelch
Computes the power spectral density.
- rectpuls
Generate a sampled rectangular pulse centered at zero, with a specified width.
- resample
Resample a real signal by a rational factor using a polyphase FIR filter.
- rssq
Compute root sum squared values.
- sawtooth
Generate a sawtooth wave with range [-1,1] and period 2*pi.
- shanwavf
Generate a complex Shannon wavelet.
- shiftdata
Transfer a designated matrix dimension to the lead position.
- sosfilt
Filter a real signal with a second order section IIR filter.
- square
Generate a square wave with range [-1,1] and period 2*pi.
- sinc
Compute the sinc function.
- stft
Short-Time Fourier Transform.
- spectrogram
Spectrogram.
- stairs
Generate a stair step plot.
- tfestimate
Estimates the transfer function from time domain signals.
- tripuls
Generate a sampled triangular pulse centered at zero, with a specified width and skew.
- udecode
Convert quantized integer matrix elements to floating-point values.
- uencode
Quantize real matrix elements to integer values.
- unshiftdata
Revert the order of matrix dimensions modified by shiftdata.
- unwrap
Unwrap a vector of phase angles.
- upsample
Upsample a signal.
- welchwin
Welch window.
- xcorr
Cross correlation, computed over a range of lags.
- xcov
Cross covariance, computed over a range of lags.
- zplane
Plot zeros and poles of a discrete transfer function.