Arma                    Autoregressive moving average (ARMA) model
FilterSpecs             Filter specifications
Ma                      Moving average (MA) model
Sos                     Second-order sections
Zpg                     Zero pole gain model
ar_psd                  Power spectrum of AR model
arburg                  Autoregressive model coefficients - Burg's
                        method
aryule                  Autoregressive model coefficients - Yule-Walker
                        method
barthannwin             Modified Bartlett-Hann window
bartlett                Bartlett window
besselap                Bessel analog low-pass filter prototype
besself                 Bessel analog filter design
bilinear                Bilinear transformation
bitrevorder             Permute input to bit-reversed order
blackman                Blackman window
blackmanharris          Blackman-Harris window
blackmannuttall         Blackman-Nuttall window
bohmanwin               Bohman window
boxcar                  Rectangular window
buffer                  Buffer signal vector into matrix of data
                        segments
buttap                  Butterworth filter prototype
butter                  Butterworth filter design
buttord                 Butterworth filter order and cutoff frequency
cceps                   Complex cepstral analysis
cconv                   Circular convolution
cheb                    Chebyshev polynomials
cheb1ap                 Chebyshev Type I filter prototype
cheb1ord                Chebyshev Type I filter order
cheb2ap                 Chebyshev Type II filter prototype
cheb2ord                Chebyshev Type II filter order
chebwin                 Chebyshev window
cheby1                  Chebyshev Type I filter design
cheby2                  Chebyshev Type II filter design
chirp                   Chirp signal
cl2bp                   Constrained L2 bandpass FIR filter design
clustersegment          Cluster Segments
cmorwavf                Complex Morlet Wavelet
conv                    Convolution and polynomial multiplication
conv2                   2-D convolution
convmtx                 Convolution matrix
cplxpair                Complex conjugate pairs
cplxreal                Sort complex conjugate pairs and real
cpsd                    Cross power spectral density
czt                     Chirp Z-transform
dct                     Discrete Cosine Transform
dct2                    2-D Discrete Cosine Transform
dctmtx                  Discrete Cosine Transform Matrix
decimate                Decrease sample rate
detrend                 Remove Polynomial Trend
dftmtx                  Discrete Fourier Transform Matrix
digitrevorder           Permute input to digit-reversed order
diric                   Dirichlet function
downsample              Decrease sample rate
dst                     Discrete Sine Transform
dwt                     1-D Discrete Wavelet Transform
ellip                   Elliptic filter design
ellipap                 Low-pass analog elliptic filter
ellipord                Elliptic Filter Order
fftconv                 FFT-based convolution
fftfilt                 FFT-based FIR filtering
fftshift                Zero-frequency shift
fht                     Fast Hartley Transform
filter                  Filter a signal
filter.sgolayFilter     Savitzky-Golay filtering
filter2                 2-D digital filter
filter_zi               Filter initial conditions
filtfilt                Zero-phase digital filtering
filtic                  Filter Initial Conditions
findpeaks               Find local extrema
fir1                    Window-based FIR filter design
fir2                    Frequency sampling-based FIR filter design
firls                   Least-squares linear-phase FIR filter design
flattopwin              Flat top window
fracshift               Fractional shift
freqs                   Frequency response of analog filters
freqs_plot              Plot frequency response
freqz                   Frequency response of digital filter
fwhm                    Full width at half maximum
gauspuls                Gaussian-modulated sinusoidal RF pulse
gaussian                Gaussian convolution window
gausswin                Gaussian window
gmonopuls               Gaussian monopulse
grpdelay                Group delay
hamming                 Hamming window
hann                    Hann window
hilbert                 Hilbert transform
idct                    Inverse Discrete Cosine Transform
idct2                   Inverse 2-D Discrete Cosine Transform
idst                    Inverse Discrete Sine Transform
ifft                    Inverse Fast Fourier Transform
ifftshift               Inverse zero-frequency shift
ifwht                   Fast Walsh-Hadamard Transform
iirlp2mb                IIR lowpass filter to IIR multiband
impinvar                Impulse invariance method for A/D filter
                        conversion
impz                    Impulse response of digital filter
interp                  Interpolation
invfreq                 Inverse Frequency Response
invimpinvar             Inverse impulse invariance method
kaiser                  Kaiser window
kaiserord               Kaiser filter order and cutoff frequency
levinson                Durbin-Levinson Recursion
marcumq                 Marcum Q function
medfilt1                1-D median filtering
mexihat                 Mexicat Hat
meyeraux                Meyer wavelet auxiliary function
morlet                  Morlet Wavelet
movingrms               Moving Root Mean Square
mpoles                  Multiplicity of poles
mscohere                Magnitude-squared coherence
ncauer                  ncauer analog filter design
nuttallwin              Nuttall-defined minimum 4-term Blackman-Harris
                        window
pad                     Pad data
parzenwin               Parzen (de la Vallée Poussin) window
pburg                   Autoregressive PSD estimate - Burg's method
peak2peak               Maximum-to-minimum difference
peak2rms                Peak-magnitude-to-RMS ratio
pei_tseng_notch         Pei-Tseng notch filter
poly                    Polynomial with specified roots
polyreduce              Reduce polynomial
polystab                Stabilize polynomial
pow2db                  Power - decibel conversion
primitive               Primitive
pulstran                Pulse train
pwelch                  Welch’s power spectral density estimate
pyulear                 Autoregressive PSD estimate - Yule-Walker
                        method
qp_kaiser               Kaiser FIR filter design
rceps                   Real cepstrum
rectpuls                Rectangular pulse
rectwin                 Rectangular window
remez                   Parks-McClellan optimal FIR filter design
resample                Change sampling rate
residue                 Partial fraction expansion
residued                delayed z-transform partial fraction expansion
residuez                Z-transform partial fraction expansion
rms                     Root-mean-square
rssq                    Root-sum-of-squares
sampled2continuous      Signal reconstruction
sawtooth                Sawtooth or triangle wave
schtrig                 Schmitt Trigger
sftrans                 Transform filter band edges
sgolay                  Savitzky-Golay filter design
shanwavf                Complex Shannon Wavelet
shiftdata               Shift data to operate on specified dimension
sigmoid_train           Sigmoid Train
signals                 signals
sinetone                Sine tone
sinewave                Sine wave
sos2tf                  Sos to transfer function
sos2zp                  Sos to zero-pole-gain
sosfilt                 Second-order sections filtering
specgram                Spectrogram
square                  Square wave
stft                    Short-Term Fourier Transform
tf2sos                  Transfer function to second-order sections form
tf2zp                   Transfer function to zero-pole-gain form
tfestimate              Transfer Function Estimate
triang                  Triangular window
tripuls                 Sampled aperiodic triangle
tukeywin                Tukey (tapered cosine) window
udecode                 Uniform decoder
uencode                 Uniform encoder
ultrwin                 Ultraspherical window
unshiftdata             Inverse of shiftdata
unwrap                  Unwrap phase angles
upfirdn                 Upsample, apply FIR filter, downsample
upsample                Increase sample rate
upsamplefill            Upsample and Fill
wconv                   1-D or 2-D convolution
welchwin                Welch window
wkeep                   Keep part of vector or matrix
xcorr                   Cross-correlation
xcorr2                  2-D cross-correlation
xcov                    Cross-covariance
zerocrossing            Zero Crossing
zp2sos                  Zero-pole-gain to second-order section format
zp2tf                   Zero-pole-gain to transfer function
zplane                  Zero-pole plot
