| ac2poly() |
Convert autocorrelation sequence to prediction polynomial. |
| ac2rc() |
Convert autocorrelation sequence to reflection coefficients. |
| alignsignals() |
Align two signals by delaying earliest signal. |
| arburg() |
Autoregressive all-pole model parameters - Burg's method. |
| arcov() |
Autoregressive all-pole model parameters - covariance method. |
| armcov() |
Autoregressive all-pole model parameters - modified covariance method. |
| aryule() |
Autoregressive all-pole model parameters - Yule-Walker method. |
| bandpower() |
Band power. |
| barthannwin() |
Modified Bartlett-Hann window. |
| bartlett() |
Bartlett window. |
| besselap() |
Bessel analog lowpass filter prototype. |
| besself() |
Bessel analog filter design. |
| bilinear() |
Bilinear transformation method for analog-to-digital filterconversion. |
| bitrevorder() |
Permute data into bit-reversed order. |
| blackman() |
Blackman window. |
| blackmanharris() |
Minimum 4-term Blackman-Harris window. |
| bohmanwin() |
Bohman window. |
| buffer() |
Buffer signal vector into matrix of data frames. |
| buttap() |
Butterworth filter prototype. |
| butter() |
Butterworth filter design. |
| buttord() |
Butterworth filter order and cutoff frequency. |
| cceps() |
Complex cepstral analysis. |
| cconv() |
Modulo-N circular convolution. |
| cell2sos() |
Convert second-order sections cell array to matrix. |
| cfirpm() |
Complex and nonlinear-phase equiripple FIR filter design. |
| cheb1ap() |
Chebyshev Type I analog lowpass filter prototype. |
| cheb1ord() |
Chebyshev Type I filter order. |
| cheb2ap() |
Chebyshev Type II analog lowpass filter prototype. |
| cheb2ord() |
Chebyshev Type II filter order. |
| chebwin() |
Chebyshev window. |
| cheby1() |
Chebyshev Type I filter design. |
| cheby2() |
Chebyshev Type II filter design. |
| chirp() |
Swept-frequency cosine. |
| conv() |
Convolution and polynomial multiplication. |
| conv2() |
2-D convolution. |
| convmtx() |
Convolution matrix. |
| corrcoef() |
Correlation coefficients. |
| corrmtx() |
Data matrix for autocorrelation matrix estimation. |
| cov() |
Covariance. |
| cpsd() |
Cross power spectral density. |
| cummax() |
Cumulative maximum. |
| cummin() |
Cumulative minimum. |
| cusum() |
Detect small changes in mean using cumulative sum. |
| czt() |
Chirp Z-transform. |
| db() |
Convert energy or power measurements to decibels. |
| db2mag() |
Convert decibels to magnitude. |
| db2pow() |
Convert decibels to power. |
| dct() |
Discrete cosine transform (DCT). |
| deconv() |
Deconvolution and polynomial division. |
| demod() |
Demodulation for communications simulation. |
| detrend() |
Remove linear trends. |
| dftmtx() |
Discrete Fourier transform matrix. |
| digitrevorder() |
Permute input into digit-reversed order. |
| diric() |
Dirichlet or periodic sinc function. |
| double() |
Cast coefficients of digital filter to double precision. |
| dpss() |
Discrete prolate spheroidal (Slepian) sequences. |
| dpssclear() |
Remove discrete prolate spheroidal sequences from database. |
| dpssdir() |
Discrete prolate spheroidal sequences database directory. |
| dpssload() |
Load discrete prolate spheroidal sequences from database. |
| dpsssave() |
Discrete prolate spheroidal or Slepian sequence database. |
| dspfwiz() |
Open FDATool Realize Model panel to create Simulink filter
block. |
| dtw() |
Distance between signals using dynamic time warping. |
| dutycycle() |
Duty cycle of pulse waveform. |
| ellip() |
Elliptic filter design. |
| ellipap() |
Elliptic analog lowpass filter prototype. |
| ellipord() |
Minimum order for elliptic filters. |
| enbw() |
Equivalent noise bandwidth. |
| envelope() |
Signal envelope. |
| eqtflength() |
Equalize lengths of transfer function's numerator and
denominator. |
| falltime() |
Fall time of negative-going bilevel waveform transitions. |
| fdatool() |
Open Filter Design and Analysis Tool. |
| fft() |
Fast Fourier transform. |
| fft2() |
2-D fast Fourier transform. |
| fftfilt() |
FFT-based FIR filtering using overlap-add method. |
| fftshift() |
Shift zero-frequency component to center of spectrum. |
| filt2block() |
Generate Simulink filter block. |
| filter2() |
2-D digital filter. |
| filternorm() |
2-norm or infinity-norm of digital filter. |
| filtfilt() |
Zero-phase digital filtering. |
| filtic() |
Initial conditions for transposed direct-form II filter
implementation. |
| filtord() |
Filter order. |
| findchangepts() |
Find abrupt changes in signal. |
| finddelay() |
Estimate delay(s) between signals. |
| findpeaks() |
Find local maxima. |
| fir1() |
Window-based FIR filter design. |
| fir2() |
Frequency sampling-based FIR filter design. |
| fircls() |
Constrained-least-squares FIR multiband filter design. |
| fircls1() |
Constrained-least-squares linear-phase FIR lowpass and
highpass filter design. |
| firls() |
Least-squares linear-phase FIR filter design. |
| firpm() |
Parks-McClellan optimal FIR filter design. |
| firpmord() |
Parks-McClellan optimal FIR filter order estimation. |
| firtype() |
Type of linear phase FIR filter. |
| flattopwin() |
Flat top weighted window. |
| freqs() |
Frequency response of analog filters. |
| freqspace() |
Frequency spacing for frequency response. |
| freqz() |
Frequency response of digital filter. |
| fvtool() |
Open Filter Visualization Tool. |
| fwht() |
Fast Walsh-Hadamard transform. |
| gauspuls() |
Gaussian-modulated sinusoidal pulse. |
| gaussdesign() |
Gaussian FIR pulse-shaping filter design. |
| gausswin() |
Gaussian window. |
| gmonopuls() |
Gaussian monopulse. |
| goertzel() |
Discrete Fourier transform with second-order Goertzel
algorithm. |
| grpdelay() |
Average filter delay (group delay). |
| hamming() |
Hamming window. |
| hampel() |
Outlier removal using Hampel identifier. |
| hann() |
Hann (Hanning) window. |
| hilbert() |
Discrete-time analytic signal using Hilbert transform. |
| icceps() |
Inverse complex cepstrum. |
| idct() |
Inverse discrete cosine transform. |
| ifft() |
Inverse fast Fourier transform. |
| ifft2() |
2-D inverse fast Fourier transform. |
| ifwht() |
Inverse Fast Walsh-Hadamard transform. |
| impinvar() |
Impulse invariance method for analog-to-digital filter
conversion. |
| impz() |
Impulse response of digital filter. |
| impzlength() |
Impulse response length. |
| intfilt() |
Interpolation FIR filter design. |
| invfreqs() |
Identify continuous-time filter parameters from frequency
response data. |
| invfreqz() |
Identify discrete-time filter parameters from frequency
response data. |
| is2rc() |
Convert inverse sine parameters to reflection coefficients. |
| isallpass() |
Determine whether filter is allpass. |
| isdouble() |
Determine if digital filter coefficients are double precision. |
| isfir() |
Determine if digital filter has finite impulse response. |
| islinphase() |
Determine whether filter has linear phase. |
| ismaxphase() |
Determine whether filter is maximum phase. |
| isminphase() |
Determine whether filter is minimum phase. |
| issingle() |
Determine if digital filter coefficients are single precision. |
| isstable() |
Determine whether filter is stable. |
| kaiser() |
Kaiser window. |
| kaiserord() |
Kaiser window FIR filter design estimation parameters. |
| lar2rc() |
Convert log area ratio parameters to reflection coefficients. |
| latc2tf() |
Convert lattice filter parameters to transfer function
form. |
| latcfilt() |
Lattice and lattice-ladder filter implementation. |
| levinson() |
Levinson-Durbin recursion. |
| lp2bp() |
Transform lowpass analog filters to bandpass. |
| lp2bs() |
Transform lowpass analog filters to bandstop. |
| lp2hp() |
Transform lowpass analog filters to highpass. |
| lp2lp() |
Change cutoff frequency for lowpass analog filter. |
| lpc() |
Linear prediction filter coefficients. |
| lsf2poly() |
Convert line spectral frequencies to prediction filter
coefficients. |
| mag2db() |
Convert magnitude to decibels. |
| marcumq() |
Generalized Marcum Q function. |
| max() |
Largest elements in array. |
| maxflat() |
Generalized digital Butterworth filter design. |
| mean() |
Average or mean value of array. |
| meanfreq() |
Mean frequency. |
| medfilt1() |
1-D median filtering. |
| medfreq() |
Median frequency. |
| median() |
Median value of array. |
| midcross() |
Mid-reference level crossing for bilevel waveform. |
| min() |
Smallest elements in array. |
| modulate() |
Modulation for communications simulation. |
| mscohere() |
Magnitude-squared coherence. |
| nuttallwin() |
Nuttall-defined minimum 4-term Blackman-Harris window
. |
| obw() |
Occupied bandwidth. |
| overshoot() |
Overshoot metrics of bilevel waveform transitions. |
| parzenwin() |
Parzen (de la Vallee Poussin) window. |
| pburg() |
Autoregressive power spectral density estimate - Burg's method. |
| pchip() |
Piecewise Cubic Hermite Interpolating Polynomial (PCHIP). |
| pcov() |
Autoregressive power spectral density estimate - covariance method. |
| peak2peak() |
Maximum-to-minimum difference. |
| peak2rms() |
Peak-magnitude-to-RMS ratio. |
| peig() |
Pseudospectrum using eigenvector method. |
| periodogram() |
Periodogram power spectral density estimate. |
| phasedelay() |
Phase delay of digital filter. |
| phasez() |
Phase response of digital filter. |
| plomb() |
Lomb-Scargle periodogram. |
| pmcov() |
Autoregressive power spectral density estimate - modified covariance method. |
| pmtm() |
Multitaper power spectral density estimate. |
| pmusic() |
Pseudospectrum using MUSIC algorithm. |
| poly2ac() |
Convert prediction filter polynomial to autocorrelation
sequence. |
| poly2lsf() |
Convert prediction filter coefficients to line spectral
frequencies. |
| poly2rc() |
Convert prediction filter polynomial to reflection coefficients. |
| polyscale() |
Scale roots of polynomial. |
| polystab() |
Stabilize polynomial. |
| pow2db() |
Convert power to decibels. |
| powerbw() |
Power bandwidth. |
| prony() |
Prony method for filter design. |
| pulseperiod() |
Period of bilevel pulse. |
| pulsesep() |
Separation between bilevel waveform pulses. |
| pulsewidth() |
Bilevel waveform pulse width. |
| pulstran() |
Pulse train. |
| pwelch() |
Welch's power spectral density estimate. |
| pyulear() |
Autoregressive power spectral density estimate - Yule-Walker method. |
| randn() |
Normally distributed random numbers. |
| rc2ac() |
Convert reflection coefficients to autocorrelation sequence. |
| rc2is() |
Convert reflection coefficients to inverse sine parameters. |
| rc2lar() |
Convert reflection coefficients to log area ratio parameters. |
| rc2poly() |
Convert reflection coefficients to prediction filter polynomial. |
| rceps() |
Real cepstrum and minimum phase reconstruction. |
| rcosdesign() |
Raised cosine FIR pulse-shaping filter design. |
| rectpuls() |
Sampled aperiodic rectangle. |
| rectwin() |
Rectangular window. |
| resample() |
Resample uniform or nonuniform data to new fixed rate. |
| residuez() |
Z-transform partial-fraction expansion. |
| risetime() |
Rise time of positive-going bilevel waveform transitions. |
| rlevinson() |
Reverse Levinson-Durbin recursion. |
| rms() |
Root-mean-square level. |
| rooteig() |
Frequency and power content using eigenvector method. |
| rootmusic() |
Root MUSIC algorithm. |
| rpmfreqmap() |
Frequency-RPM map for order analysis. |
| rpmordermap() |
Order-RPM map for order analysis. |
| rssq() |
Root-sum-of-squares level. |
| sawtooth() |
Sawtooth or triangle wave. |
| schurrc() |
Compute reflection coefficients from autocorrelation sequence. |
| seqperiod() |
Compute period of sequence. |
| settlingtime() |
Settling time for bilevel waveform. |
| sfdr() |
Spurious free dynamic range. |
| sgolay() |
Savitzky-Golay filter design. |
| sgolayfilt() |
Savitzky-Golay filtering. |
| shiftdata() |
Shift data to operate on specified dimension. |
| sin() |
Sine of argument in radians. |
| sinad() |
Signal to noise and distortion ratio. |
| sinc() |
Sinc function. |
| single() |
Cast coefficients of digital filter to single precision. |
| slewrate() |
Slew rate of bilevel waveform. |
| snr() |
Signal-to-noise ratio. |
| sos2cell() |
Convert second-order sections matrix to cell array. |
| sos2ss() |
Convert digital filter second-order section parameters
to state-space form. |
| sos2tf() |
Convert digital filter second-order section data to transfer
function form. |
| sos2zp() |
Convert digital filter second-order section parameters
to zero-pole-gain form. |
| sosfilt() |
Second-order (biquadratic) IIR digital filtering. |
| spectrogram() |
Spectrogram using short-time Fourier transform. |
| spline() |
Cubic spline data interpolation. |
| sptool() |
Open interactive digital signal processing tool. |
| square() |
Square wave. |
| ss() |
Convert digital filter to state-space representation. |
| ss2sos() |
Convert digital filter state-space parameters to second-order
sections form. |
| ss2tf() |
Convert state-space representation to transfer function. |
| ss2zp() |
Convert state-space filter parameters to zero-pole-gain
form. |
| statelevels() |
State-level estimation for bilevel waveform with histogram
method. |
| std() |
Standard deviation. |
| stem() |
Plot discrete sequence data. |
| stepz() |
Step response of digital filter. |
| stmcb() |
Compute linear model using Steiglitz-McBride iteration. |
| strips() |
Strip plot. |
| taylorwin() |
Taylor window. |
| tf() |
Convert digital filter to transfer function. |
| tf2latc() |
Convert transfer function filter parameters to lattice
filter form. |
| tf2sos() |
Convert digital filter transfer function data to second-order
sections form. |
| tf2ss() |
Convert transfer function filter parameters to state-space
form. |
| tf2zp() |
Convert transfer function filter parameters to zero-pole-gain
form. |
| tf2zpk() |
Convert transfer function filter parameters to zero-pole-gain
form. |
| tfestimate() |
Transfer function estimate. |
| thd() |
Total harmonic distortion. |
| toi() |
Third-order intercept point. |
| triang() |
Triangular window. |
| tripuls() |
Sampled aperiodic triangle. |
| tukeywin() |
Tukey (tapered cosine) window. |
| udecode() |
Decode 2n-level quantized integer
inputs to floating-point outputs. |
| uencode() |
Quantize and encode floating-point inputs to integer outputs. |
| undershoot() |
Undershoot metrics of bilevel waveform transitions. |
| unshiftdata() |
Inverse of shiftdata. |
| unwrap() |
Correct phase angles to produce smoother phase plots. |
| upfirdn() |
Upsample, apply FIR filter, and downsample. |
| upsample() |
Increase sampling rate by integer factor . |
| var() |
Variance. |
| vco() |
Voltage controlled oscillator. |
| wintool() |
Open Window Design and Analysis Tool. |
| wvtool() |
Open Window Visualization Tool . |
| xcorr() |
Cross-correlation. |
| xcorr2() |
2-D cross-correlation. |
| xcov() |
Cross-covariance. |
| yulewalk() |
Recursive digital filter design. |
| zerophase() |
Zero-phase response of digital filter. |
| zp2sos() |
Convert zero-pole-gain filter parameters to second-order
sections form. |
| zp2ss() |
Convert zero-pole-gain filter parameters to state-space
form. |
| zp2tf() |
Convert zero-pole-gain filter parameters to transfer function
form. |
| zpk() |
Convert digital filter to zero-pole-gain representation. |
| zplane() |
Zero-pole plot. |