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Numerics 

2-norm <1> <2>

A/D conversion
abs function
ac2poly function
ac2rc function
addstages method
aliasing
    impulse invariance
    preventing
    reducing
    sinc functions
all-pole filters
    See also IIR filters
all-zero filters
    See also FIR filters
AM
    See also amplitude modulation
amdsb function
amplitude demodulation
amplitude modulation
analog filters
    bandpass
    bandstop
    Bessel
    Bessel comparison
    Bessel lowpass
    bilinear transformation
    Butterworth
    Butterworth comparison
    Butterworth lowpass
    Butterworth order estimation
    Chebyshev Type I
    Chebyshev Type I comparison
    Chebyshev Type I lowpass
    Chebyshev Type I order estimation
    Chebyshev Type II
    Chebyshev Type II comparison
    Chebyshev Type II order estimation
    converting to digital
    design
    discretization
    elliptic
    elliptic order estimation
    frequency response
    frequency response example
    highpass
    impulse invariance
    inverse
    lowpass
    models
    plotting
    See also IIR filters
analog frequency
analog signals
    See also signals
analysis parameters
analytic signals
angle function
anti-symmetric filters
AR filter stability
AR models
    See also autoregressive (AR) models
arburg function
arcov function
ARMA filters
    coefficients
    Prony's method
    Steiglitz-McBride method
    See also IIR filters
armcov function
ARX models
aryule function
ASCII files
    importing
autocorrelation
    convert from LP coefficients
    convert from reflection coefficients
    convert to LP coefficients
    convert to reflection coefficients
    estimation
    multiple channel filters
    two-dimensional
    variance
autocovariance
    multiple channels
autoregressive (AR) models
    Burg method
    coefficients
    covariance method
    modified covariance method
    power spectral density (Burg method)
    power spectral density (covariance method)
    power spectral density (modified covariance method)
    power spectral density (Yule-Walker method)
    Yule-Walker method
    See also IIR filters
autoregressive moving-average (ARMA) filters
    See also ARMA filters
avgpower method

band edges
    prewarping
bandpass filters
    Butterworth
    Chebyshev Type I
    Chebyshev Type I example
    Chebyshev Type II
    design
    elliptic
    FIR
    FIR example
    impulse invariance
    transform from lowpass
bandstop filters
    Butterworth
    Chebyshev Type I
    Chebyshev Type II
    elliptic
    FIR
    transform from lowpass
bandwidth
barthannwin Bartlett Hann window function
    comparison
bartlett window function
    comparison
Bessel filters
    characteristics
    limitations
    lowpass
    prototype
besselap function
besself function
bias
    linear prediction
    power spectral density
    variance trade-off
    Welch
bilinear function
bilinear transformations
    characteristics
    output
    prewarping
    prewarping example
bit reversal
bitrevorder function
blackman window function
    comparison
blackmanharris window function
    comparison
    Nuttall
block method
bohmanwin window function
    comparison
boxcar windows
    See also rectangular windows
brackets
buffer function
Burg method
    characteristics
    example
    spectral estimation
    Welch's method comparison
Burg spectrum object
buttap function
butter function
Butterworth filters
    characteristics
    comparison
    generalized
    limitations
    lowpass
    order estimation
buttord function

C header files
canonical forms
    naming conventions
carrier frequencies
cascade method
cascades
Cauer filters
    See also elliptic filters
cceps function
cell2sos function
center frequency
centerdc method
cepstrum
    inverse function
cfirpm function
cheb1ap function
cheb1ord function
cheb2ap function
cheb2ord function
chebwin Chebyshev window function
    comparison
cheby1 function
cheby2 function
Chebyshev error minimization
Chebyshev Type I filters
    characteristics
    example
    lowpass
    order estimation
Chebyshev Type II filters
    characteristics
    limitations
    order estimation
chirp function
chirp signals
chirp z-transforms
    characteristics
CIC filters
    exporting from FDATool to Simulink
coding
    PCM
coefficients
    accessing filter
    convert autocorrelation to filter
    convert filter to autocorrelation
    convert filter to reflection
    convert reflection to autocorrelation
    convert reflection to filter
    filter
    lattice
    linear prediction
    reflection
coefficients method
coherence
    definition
    linearly dependent data
colors
    sptool GUI
communications
    applications
    modeling
    simulation
    See also modulation, demodulation, voltage controlled oscillation
compaction
    discrete cosine transform
complex envelope
    See also Hilbert transforms
context-sensitive help
continuous signals
    See also signals
continuous-time filters
    See also analog filters
conv function
conv2 function
conversions
    autocorrelation to filter coefficients
    autocorrelation to reflection coefficients
    errors
    filter coefficients to autocorrelation
    filter coefficients to reflection coefficients
    functions (table)
    reflection coefficients to autocorrelation
    reflection coefficients to filter coefficients
    second-order section to zero-pole-gain
    second-order sections to state-space
    second-order sections to transfer functions
    state-space to second-order sections
    state-space to zero-pole-gain
    transfer functions to lattice
    transfer functions to second-order sections
    transfer functions to state-space
    zero-pole-gain to second-order sections
    zero-pole-gain to state-space
convert method
convmtx function
convolution
    cross-correlation
    filtering
    matrix
    matrix function (convmtx)
corrcoef function
correlation
    bias
    cross-correlation
    linear prediction
    matrices
    See also autocorrelation, cross-correlation
correlation matrices
corrmtx function
cosine windows
cov function
covariance
    definition
    methods
    modified covariance spectrum object
    spectrum object
    See also autocovariance, cross-covariance, modified covariance method
cplxpair function
cpsd function
cross power spectral density
    definition
cross spectral density
    definition
    See also power spectral density, spectral estimation
cross-correlation
    discussion
    two-dimensional
cross-covariance
    comparison to cross-correlation
    multiple channels
czt function
    See also chirp z-transforms

data
    markers
    multichannel matrix
    multichannel signals
    time vectors
    vectors
DC component suppression
dct function
de la Valle-Poussin windows
    See also Parzen windows
decimate
decode
deconv function
deconvolution
default session
    sptool GUI
delays
    group
    noninteger
    phase
    signals
demod
demod function
demodulation
    example
dfilt function
    cascade
    convert structures
    copying
    direct-form antisymmetric FIR
    direct-form FIR transposed
    direct-form I
    direct-form I sos
    direct-form I transposed
    direct-form I transposed sos
    direct-form II
    direct-form II sos
    direct-form II transposed
    direct-form II transposed sos
    direct-form IIR
    direct-form symmetric FIR
    FFT FIR
    filter implementation
    lattice allpass
    lattice ARMA
    lattice autoregressive
    lattice moving-average maximum
    lattice moving-average minimum
    methods
    parallel
    scalar
    state space
    structures <1> <2>
dfilt.cascade function
dfilt.df1 function
dfilt.df1sos function
dfilt.df1t function
dfilt.df1tsos function
dfilt.df2 function
dfilt.df2sos function
dfilt.df2t function
dfilt.df2tsos function
dfilt.dfasymfir function
dfilt.dffir function
dfilt.dffirt function
dfilt.dfsymfir function
dfilt.fftfir function
dfilt.latticeallpass function
dfilt.latticear function
dfilt.latticearma function
dfilt.latticemamax function
dfilt.latticemamin function
dfilt.parallel function
dfilt.scalar function
dfilt.statespace function
dft
    See also discrete Fourier transforms
dftmtx function
difference equations
differentiators
    definition
    least square linear-phase FIR
    Parks-McClellan FIR
digit reversal
digital audio tape standards
digital filters
    anti-causal
    Butterworth
    Butterworth order estimation
    cascade
    Chebyshev Type I order estimation
        
    Chebyshev Type II
    Chebyshev Type II order estimation
    coefficients
    comparison to IIR
    convolution
    convolution matrices
    design
    elliptic
    elliptic order estimation
    equiripple FIR order estimation
    FFT FIR overlap-add
    FIR design
    fixed-point implementation
    frequency response
    group delay description
    group delay function
    identification from frequency data
    IIR design
    implementation with filter
    impulse response
    impulse response definition
    initial conditions
    lattice/ladder structures
    models
    order
    phase delay definition
    poles
    second-order sections
    specifications
    state-space
    time-domain representation
    transfer functions representation
    transients
    transposed direct-form II structures
    types
    zero-phase
    zero-phase implementation
    zero-pole analysis
    zeros
    See also FIR filters, IIR filters
digital frequency
digitrevorder function
diric function
Dirichlet functions
    definition
discrete cosine transforms
    definition
    energy compaction property
    example
    inverse
    reconstruct signals
discrete Fourier transforms
    algorithms
    definition
    eigenvector equivalent
    goertzel
    IIR filter implementation
    inverse two-dimensional
    magnitude
    matrix
    phase
    power spectrum estimation
    signal length dependencies
    spectral analysis
    time-dependent
    two-dimensional
    See also fast Fourier transforms
discrete prolate spheroidal sequences
     See also dpss
discretization
    bilinear transformations
    filters
    impulse invariance
downsample function
dpss function
    example
dpssclear function
dpssdir function
dpssload function
dpsssave function
dspdata object
    mean-square spectrum
    psd
    pseudospectrum
dspdata.msspectrumd function
dspdata.psd function
dspdata.pseudospectrum function
dspopts object
duty cycles

echo detection
edge effects
eigenanalysis
eigenvector method
    definition
    root MUSIC
    spectral estimation
    spectrum object
    See also multiple signal classification method
ellip function
ellipap function
ellipord function
elliptic filters
    definition
    limitations
    order estimation
encoding
eqtflength function
equiripple
    Chebyshev Type I filters
    Chebyshev Type II filters
    Chebyshev windows
    elliptic filters
    elliptic filters (analog)
    elliptic filters (Cauer)
    Parks-McClellan design
error minimization
    weighted frequency bands
estimation
    covariance method
    cross spectral density
    modified covariance method
    Yule-Walker method
    See also parametric modeling
export
    filter
    window

fast Fourier transforms
    example
    frequency response
    Goertzel algorithm
    implementation
    output
fcfwrite method
FDATool
    exporting to Simulink
fdatool GUI
    analysis buttons
    computing coefficients
    design methods
    exporting filters
    filter architecture
    filter design specification
    filter implementation
    filter order specification
    filters structure
    frequency response specification
    group delay
    importing
    impulse response
    magnitude response
    M-files
    opening
    phase delay
    phase response
    pole-zero plots
    response type
    saving coefficients
    second analysis
    sessions
    step response
FFT
    See also fast Fourier transforms
fftcoeffs method
fftfilt function
fftshift function
Filter block
filter design
    sptool Filter Designer GUI
    See also fdatool GUI
filter function
    description
filter method
Filter Viewer
    introduction
    open
    printing
Filter Visualization Tool
    See also fvtool GUI
filternorm function
filters
    analog
    analog lowpass
    analog lowpass prototype
    anti-causal
    anti-symmetric
    bit reversal
    Butterworth
    Butterworth (generalized)
    Butterworth order
    C header file
    Chebyshev Type I
    Chebyshev Type I lowpass prototype
    Chebyshev Type I order
    Chebyshev Type II
    Chebyshev Type II order
    coefficients <1> <2>
    coefficients in sptool GUI
    convert coefficients to autocorrelation
    convert from reflection coefficients
    convert to reflection coefficients
    convolution
    design <1> <2>
    digit reversal
    discretization
    elliptic
    elliptic order
    equiripple
    export
    filter and filtfilt functions comparison
    filter function
    filtstates object <1> <2>
    FIR
    FIR design
    FIR single band
    frequency data
    frequency domain
    frequency transformations
    fvtool GUI
    implementation
    importing to sptool GUI
    initial conditions using dfilt
    initial conditions using filter function
    initial conditions using filtic function
    inverse analog
    inverse discrete-time
    lattice/ladder
    linear phase
    linear prediction
    linear system models
    linear time-invariant digital
    median filtering
    median function
    minimax
    minimum phase
    norm
    numerator and denominator length
    objects
    order
    overlap-add using dfilt.fftfir
    overlap-add using fftfilt
    phase delay
    phase distortion removal
    phase modulation
    phase response
    pole-zero editor
    renaming 694
    sampling frequency <1> <2>
    saving
    Savitzky-Golay
    Savitzky-Golay design
    Schur realizations
    second-order sections
    second-order sections filtering
    second-order sections IIR
    specfications
    sptool GUI Filter Designer
    states
    step response
    structures
    types
    viewing
    zero-phase
    zero-phase implementation
    zero-phase response
    See also fdatool GUI, FIR filters, IIR filters, digital filters, analog filters
filtfilt function
    filter function comparison
filtic function
filtstates object <1> <2>
FIR filters
    arbitrary response
    complex response
    constrained least square
    differentiators
    equiripple
    example
    frequency domain
    frequency response
    Hilbert transformers
    IIR filter comparison
    implementation
    interpolation
    Kaiser windows
    lattice/ladder
    least square and equiripple comparison
    least square linear phase
    least square multiband
    least square weighted
    linear phase
    linear phase Parks-McClellan
    multiband
    multiband example
    nonlinear phase response
    order estimation
    overlap-add
    Parks-McClellan method
    reduced delay response
    resample
    sptool GUI Filter Designer
    standard band
    types
    window-based
    windowing method
fir1 function
    example
fir2 function
fircls function
fircls1 function
firls function
    differentiators
    firpm comparison
    weight vectors
firpm function
    differentiators
    example
    filter characteristics
    firls comparison
    Hilbert transformers
    order estimation
    weight vectors
firpmord function
    example
firrcos function
firtype method
Filter Designer GUI
    See also fdatool GUI
flattopwin flat top window function
FM
    See also frequency modulation
fopen function
Fourier transforms
    See also discrete Fourier transforms, fast Fourier transforms
fread function
freqs function
frequency
    analog
    angular
    center
    cutoff
    demodulation
    digital
    estimation
    modulation
    normalization
    Nyquist <1> <2>
    prewarping
    spectrogram
    vectors
frequency domain
    duality with time-domain
    filters
    FIR filtering
    lowpass to bandpass transformation
    lowpass to bandstop transformation
    lowpass to highpass transformation
    transformation functions
frequency domain based modeling
    See also parametric modeling
frequency modulation
frequency response
    Bessel filters
    Butterworth filters
    Chebyshev Type I filters
    Chebyshev Type II filters
    elliptic filters
    error minimization
    evaluating
    example
    inverse
    Kaiser window
    linear phase
    magnitude
    monotonic
    multiband
    phase
    plotting
    sampling frequency
freqz function
    sampling frequencies
freqz method
From Disk radio button
FVTool
    SOS view settings
fvtool GUI

gauspuls function
    pulse trains
gaussfir
Gaussian monopulse
Gauss-Newton method
    analog domain
    discrete domain
gausswin Gaussian window function
generalized Butterworth filters
generalized cosine windows
generalized filters
generate method
Gibbs effect
    reduced by window
gmonopuls function
GMSK
goertzel function
graphical user interface (GUI)
    See also sptool GUI, fdatool GUI, wintool GUI, fvtool GUI, wvtool GUI
group delay
    comparison to phase delay
    example
    grpdelay function
    passband
grpdelay function
    example
grpdelay method

halfrange method
hamming window function
    comparison to boxcar
    comparison to Hann
    example
hann window function
    comparison to Hamming
hanning
    See also hann window function
highpass filters
    Butterworth
    Butterworth order
    Chebyshev Type I
    Chebyshev Type I order
    Chebyshev Type II
    Chebyshev Type II order
    elliptic
    elliptic order
    FIR
    FIR example
    lowpass transformation
hilbert transform function
    analytic signals
    description
    example
    using firpls
    using firpm
homomorphic systems

icceps function
    example
idct function
    example
ideal lowpass filters
    See also lowpass filters
ifft function
    example
ifft2 function
    example
IIR filters
    analog prototype
    Bessel
    Butterworth
    Chebyshev Type I
    Chebyshev Type II
    comparison
    comparison to FIR
    design
    elliptic
    Filter Designer GUI
    frequency domain implementation
    frequency response
    generalized Butterworth
    lattice/ladder
    Levinson-Durbin recursion
    maximally flat
    multiband
    order estimation
    plotting responses
    Prony's method
    specifications
    Steiglitz-McBride iteration
    yulewalk function
    Yule-Walker example
    zero-phase implementation
    See also direct design
image processing
impinvar function
Import dialog box
    sptool from disk
    sptool from workspace
impulse invariance
    example
impulse response
     impz function
    ideal
    impulse invariance
impz function
impz method
impzlength method
indexing
inf-norm
info method
    dfilt function
    sigwin function
initial conditions
    using dfilt states
    using filtfilt function
    using filtic function
instantaneous attributes
interpolation
    bandlimited
    FIR filters
    interp function
interval notation
intfilt function
inverse cepstrum, complex
inverse discrete cosine transforms
    accuracy of signal reconstruction
inverse discrete Fourier transforms
    example
    matrices
    two-dimensional
inverse filters
    analog
    discrete
inverse Fourier transforms
     See also sinc function
inverse-sine parameters
    transformations from reflection coefficients
    transformations to reflection coefficients
invfreqs function
    example
invfreqz function
    example
is2rc function
isallpass method
iscascade method
isfir method
islinphase method
ismaxphase method
isminphase method
isparallel method
isreal method
isscalar method
issos method
isstable method

kaiser window function
    discussion
    example
    FIR filters
kaiserord function

ladder filters
    See also lattice/ladder filters
Lagrange interpolation filter
Laplace transforms
lar2rc function
latc2tf function
    example
latcfilt function
    example
lattice/ladder filters
    implementation
    latcfilt function
    Schur algorithm
    transfer functions conversions
least squares method FIR
levinson function
    example
    parametric modeling
line
    drawing in FDATool
line spectral frequencies
    transformation from prediction polynomial
    transformation to prediction polynomial
line style
linear models
    See also models
linear phase filters
    least squares FIR
    optimal FIR
linear prediction
    coefficients
    modeling
linear system transformations
    See also conversions
log area ratio parameters
    transformation from reflection coefficients
    transformation to reflection coefficients
lowpass filters
    Bessel
    Butterworth
    Butterworth order
    Chebyshev Type I
    Chebyshev Type I order
    Chebyshev Type II
    Chebyshev Type II order
    cutoff frequency translation
    decimation
    elliptic
    elliptic order
    FIR
    ideal
    impulse invariance
    impulse response
    interpolation
lp2bp function
    example
lp2bs function
lp2hp function
lp2lp function
lpc
    See also linear predictive coding, Prony's method, linear prediction
lpc function
lse
lsf2poly function

magnitude
    Fourier transforms
    frequency response extraction
    plots
    transfer functions
match frequency prewarping
MAT-files
    dpss.mat
    format, converting to
    importing
    sptool GUI
matrices
    convolution
    convolution function
    data
    discrete Fourier transforms
    inverse discrete Fourier transforms
matrix forms
    See also state-space forms
maxflat function
    discussion
maximally flat filters
    See also maxflat function
maximum entropy estimate
mean-square spectrum
medfilt1 function
    example
median filters
    See alsomedfilt1 function
MEX-files
M-files <1> <2>
minimax method
    FIR filters
    See also Parks-McClellan method
minimum phase
models
    autoregressive Burg
    autoregressive Burg PSD
    autoregressive covariance
    autoregressive covariance PSD
    autoregressive modified covariance
    autoregressive modified covariance PSD
    autoregressive Yule-Walker
    autoregressive Yule-Walker PSD
    bilinear transformations
    transformations
modified covariance method
modulate function
    definition
    example
    See also amplitude modulation
modulate function
    time vector
modulation
moving-average (MA) filters
    See also FIR filters
mscohere function
msspectrum method
msspectrumopts method
MTM
    See also multitaper method
multiband filters
    FIR
    IIR
multichannel data
multiple signal classification method (MUSIC)
    correlation matrices
    discussion
    eigenvector method
    example
    pseudospectrum
multiplicity of zeros and poles
multirate filters
multitaper method (MTM)
multi-taper spectrum object
MUSIC algorithm
    See also multiple signal classification method
MUSIC spectrum object

nonrecursive filters
    See also FIR filters
normalization
    cross-correlation
    modified periodogram
    periodogram bias
    Welch's power spectral density
normalizefreq method
nsections method
nstages method
nstate method
nuttallwin Nuttall window function
Nyquist frequency

object
    changing properties
    copying
    dspdata
    dspopts
    filter
    filtstates <1> <2>
    spectrum
    viewing properties
    window
onesided method
options object
order
    bit reversed
    Butterworth estimation
    Chebyshev Type I estimation
    digit reversed
    elliptic estimation
    estimation
    FIR optimal estimation
order method
oscillators
overlap-add filter
overlap-add method
    FIR filter implementation
    FIR filters

Panner check box
parallel method
parametric modeling
    applications
    covariance method
    frequency domain based
    linear predictive coding
    modified covariance method
    Steiglitz-McBride method
    summary
    techniques
    time-domain based
    Yule-Walker method
parentheses
Parks-McClellan method
partial fraction expansion
    residue
    z-transform
parzenwin Parzen window function
passband
    Chebyshev Type I
    equiripple
    group delay
pburg function
    example
PCM
pcov function
    example
peig function
period in sequence
periodic sinc functions
    See also Dirichlet functions
periodogram function
    discussion
    spectrum object
phase
    delay
    demodulation
    distortion
    Fourier transforms
    frequency response
    group delay
    linear delay
    modulation
    transfer functions
    unwrapping
phase response
phasedelay function
phasez function
phasez method
plot method
plots
    analog filters
    coherence function
    complex cepstrum
    DFT
    frequency response
    group delay
    magnitude
    magnitude and phase
    phase
    phase delays
    strip plots
    transfer functions
    zero-pole
    zplane functioin
plug-ins
pmcov function
    example
p-model
    See also parametric modeling
pmtm function
pmusic function
pole-zero editor
pole-zero filters
    See also IIR filters
poly function
    example
poly2ac function
poly2lsf function
poly2rc function
polynomials
    division
    roots
    scaling
    stability check
    stabilization
polyphase filtering techniques
polyscale function
polystab function
power spectral density
    Burg estimation
    Burg estimation example
    covariance estimation
    covariance estimation example
    dspdata object
    eigenvector stimation
    modified covariance estimation
    multitaper estimation
    multitaper estimation example
    MUSIC estimation
    MUSIC estimation example
    periodogram bias
    periodogram normalization
    plots
    sptool GUI
    units
    Welch's bias
    Welch's estimation
    Welch's estimation bias
    Welch's estimation example
    Welch's normalization
    Yule-Walker estimation
    Yule-Walker estimation example
powerest method
prediction filters
prediction polynomials
    transformations from line spectral frequencies
    transformations to line spectral frequencies
Preferences menu item
prewarping
Print dialog box
prolate-spheroidal windows
prony function
    example
Prony's method
    See also prony function
psd method
psdopts method
pseudospectrum object
    eigenvector method
    MUSIC algorithm
pseudospectrumopts object
pulse position demodulation
pulse position modulation
pulse time modulation
pulse train generator
pulse trains
    example
    Prony's method
    pulstran function
pulse width demodulation
pulse width modulation
pulse-shaping filter
pwelch function
pyulear function
    Burg comparison
    example

quadrature amplitude demodulation
quadrature amplitude modulation
quantization
    decoding
    encoding
    reduction with filter norms
quantized filters
    cell arry coefficients
    matrix coefficients

radar applications
raised cosine filters
range notation
rc2ac function
rc2is function
rc2lar function
rc2poly function
rceps function
rceps function
    example
realizemdl method
rebuffering
rectangular windows
    rectwin function
rectpuls function
rectwin function
    example
recursive filters
    See also IIR filters
references
    general DSP
    special topics
    statistical signal processing
reflection coefficients
    autocorrelation sequence conversion
    conversion from filter coefficients
    conversion to prediction polynomial
    definition
    Schur algorithm
    transformation from inverse sine parameters
    transformation from log area ratio parameters
    transformation to inverse sine parameters transformation to
    transformation to log area ratio parameters
rejection area
Remez exchange algorithm
removestage method
resample function
    example
resampling
    See also decimation, interpolation
residue forms
    See also partial fraction expansion
residuez function
rlevinson function
rooteig function
rootmusic function
    eigenvector method
roots
    polynomials
rulers
    sptool GUI

sampling frequency <1> <2>
    decrease
    FIR filters
    freqz function
    increase
    integer factor decrease
    integer factor increase
    irregularly spaced data
    Nyquist interval
    range
    resample function
    resampling discussion
    spacing
    using upfirdn function
saved filters
saving data
    Spectrum Viewer
Savitzky-Golay filters
    design
    filtering
sawtooth function
    example
sawtooth wave
scaling
Schur algorithm
schurrc function
second-order section forms
    zero-pole-gain conversion to
second-order sections
    cell array coefficients
    conversion from transfer function
    conversion to in fdatool
    conversion to transfer functions
    filter
    filters
    matrices
    matrix coefficients
    sptool GUI
    state-space conversion from
    state-space conversion to
    view
    zero-pole-gain conversion from
seqperiod function
setstage method
sgolay function
sgolayfilt function
Signal Browser
    axis labels
    markers preferences
    overview
    Panner preferences
    printing
    signals, measuring
    zooming, preferences
signals
    adding noise
    analytic
    aperiodic
    applications
    array
    buffering
    carrier
    chirp
    continuous (analog)
    DCT coefficients reconstruction
    differentiators
    diric function
    discrete (digital)
    generating
    measurements
    minimum phase reconstruction example
    modulation
    multichannel
    periodic
    plotting
    properties
    pulstran function
    rebuffering
    representing
    sawtooth
    sawtooth function
    sinc
    sinusoidal
    square function
    square wave
    triangle
sigwin function
Simulink
    exporting from FDATool
sinc function
    Dirichlet
    example
Slepian sequences
     See also discrete prolate spheroidal sequences
sonar applications
sos method
SOS view settings
sos2cell function
sos2ss function
sos2tf function
sos2zp function
sosfilt function
spectral analysis
    cross spectral density
    power spectrum
    Spectrum Viewer
    See also spectral estimation
spectral density
    measurements
    plots
    Spectrum Viewer
    units
    See also power spectral density, cross spectral density
spectral estimation
    AR covariance method
    AR modified covariance method
    AR Yule-Walker method
    Burg method
    Burg method example
    covariance method
    eigenvector method
    modified covariance method
    multitaper method
    MUSIC method
    periodograms
    root eigenvector
    root MUSIC
    Welch's method bias
    Welch's method discussion
    Welch's method example
    Yule-Walker AR method
    Yule-Walker AR method example
spectrogram
    definition
    VCO example
spectrogram function
    example
spectrum
    mask
spectrum estimation methods
    mean-square
    psd
    pseudospectrum
spectrum function
    burg
    cov
    eigenvector
    estimation methods
    mcov
    methods
    mtm
    music
    periodogram
    welch
    yulear
Spectrum Viewer
    activating
    axis parameters
    markers, preferences
    measurements
    opening
    overview
    printing
    rulers
    spectra structures
    spectral density plots
    windows
    zooming
spectrum.mtm function
    example
speech processing
    parametric modeling
    resampling
spline function
sptool GUI
    colors, customizing
    context-sensitive help
    customizing
    data entering
    data objects
    data structures
    editing
    example
    exporting data
    filter coefficients
    filter design
    filter importing
    filter parameters
    filter saving
    filtering
    filters
    help
    Import dialog
    importing filters and spectra
    importing signals
    items, selecting
    line style
    MAT-files
    MATLAB workspace
    multiselection of items
    operation
    preferences
    printing
    rulers
    sample frequency
    saving
    second-order section forms
    signal analysis
    signal measurement
    signal playing
    sound
    spectra analysis
    spectra import
    spectral densities import
    spectral densities plot
    Spectrum Viewer
    state-space forms
    transfer functions
    transfer functions export
    tutorial
    workspace
    zero-pole-gain forms
square function
    example
square wave
     See also square function
ss method
ss2sos function
ss2tf function
ss2zp function
stability check
    polynomials
stabilization
standards, digital audio tape
startup transients
state-space forms
    continuous time
    scalar
    second-order section conversion from
    second-order section conversion to
    sptool GUI
    transfer functions conversions to
    zero-pole-gain conversion from
    zero-pole-gain convertion to
statistical operations
    See also autocorrelation sequences, cross-correlation sequences, cross-covariance
Steiglitz-McBride method
    example
step response
stepz method
stepz function
stmcb function
    example
stopband
    Chebyshev Type II
    elliptic
strips function plots
structures
    conversion
    conversion round off
    lattice/ladder
    transposed direct-form II
swept-frequency cosine generator
    See also chirp
system identification

tapers (PSD estimates)
taps
tf method
tf2latc function
    example
tf2sos function
tf2ss function
tf2zp function
tfestimate function
    example
time series attributes
time-domain based modeling
    See also parametric modeling
transfer functions
    coefficients
    discrete time models
    factoring
    lattice conversion to
    partial fractions
    second-order sections conversion from
    second-order sections conversion to
    sptool GUI
    state-space conversion to
    Welch's estimation
    zero-pole-gain forms
transformations
    bilinear
    bilinear function
    frequency
    lowpass analog to bandpass
    lowpass analog to bandstop
    lowpass analog to highpass
    lowpass cutoff change
    models
transforms
    chirp z-transforms (CZT)
    chirp z-transforms (CZT) discussion
    discrete cosine
    discrete Fourier
    hilbert
    Hilbert discussion
    inverse discrete cosine
    inverse discrete cosine discussion
transients
transition band
transposed direct-form II
    initial conditions
transposed direct-form II structure
triang triangle window function
    Bartlett comparison
tripuls function
Tukey
    See also tukeywin Tukey window function
tukeywin Tukey window function
two-dimensional operations
twosided method

udecode function
uencode function
uniform encoding
unit circle
unit impulse function
unit ramp function
unit sample multichannel
unit step function
units of power spectral density (PSD)
unwrap function
    example
upfirdn function
    example
    resampling
upsample function

variables
    load from disk
variance
vco
    example
vco function
vectors
    data representation
    frequency
    indexing
    waveform generation
    weighting
voltage controlled oscillators
    example

waveforms
    See also signals
Welch spectrum object
Welch's method
    AR Yule-Walker comparison
    bias and normalization
    Burg comparison
    MTM comparison
    nonparametric system identification
    power spectral density estimation
white noise
wholerange method
window function
windows
    Bartlett
    Bartlett comparison
    Bartlett-Hanning
    Blackman
    Blackman comparison
    Blackman-Harris
    Blackman-Harris vs. Nuttall
    Bohman
    boxcar
    Chebyshev <1> <2>
    cosine
    de la Valle-Poussin
    designing
    filters
    FIR filters <1> <2>
        multiband filters
        single band design
    fir1 function
    flat top weighted
    Gaussian
    Hamming
    Hamming discussion
    Hamming rectangular example
    Hamming ringing example
    Hann
    Hann example
    Kaiser
    Kaiser discussion
    Kaiser example
    Nuttall
    object
    Parzen
    prolate-spheroidal
    rectangular
    rectangular example
    shapes
    spectral leakage
    triangular
    Tukey
    viewing
    wintool GUI
    wvtool GUI
wintool GUI
winwrite method
Workspace Contents list
wvtool GUI

xcorr function
xcorr2 function
xcov function

yulewalk function
    example
Yule-Walker AR method
    description
    example
    Welch's method comparison
Yule-Walker spectrum object

zero frequency component, centering
zero-order hold
    See also averaging filters
zero-phase
    filtering
    response
zerophase function
zerophase method
zero-pole
    analysis
    multiplicity
    plots
    transfer functions
zero-pole-gain
zero-pole-gain forms
    convert from second-order sections
    convert from state-space
    convert to second-order sections
    convert to state-space
    sptool GUI
zoom
    sptool GUI
zp2sos function
zp2ss function
zp2tf function
zpk method
zplane function
zplane method
z-transforms
    chirp z
    czt function
    definition
    discrete Fourier transforms
    equation