Documentation

Functions in DSP System Toolbox

  • By Category | Alphabetical List
  • DSP Modeling

    Signal Operations

    dsp.Convolver Convolution of two inputs
    dsp.DCBlocker Remove DC component
    dsp.Delay Delay input by specified number of samples or frames
    dsp.DigitalDownConverter Digitally downconvert input signal
    dsp.DigitalUpConverter Digitally upconvert input signal
    dsp.HDLNCO Generate real or complex sinusoidal signals—optimized for HDL code generation
    dsp.Interpolator Linear or FIR interpolation
    dsp.NCO Generate real or complex sinusoidal signals
    dsp.PeakFinder Determine extrema (maxima or minima) in input signal
    dsp.PhaseExtractor Extract the unwrapped phase of a complex input
    dsp.PhaseUnwrapper Unwrap signal phase
    dsp.VariableFractionalDelay Delay input by time-varying fractional number of sample periods
    dsp.VariableIntegerDelay Delay input by time-varying integer number of sample periods
    dsp.Window Window object
    dsp.ZeroCrossingDetector Zero crossing detector

    Signal Generation

    dsp.ColoredNoise Colored noise generator
    dsp.Chirp Generate swept-frequency cosine (chirp) signal
    dsp.SignalSource Import variable from workspace
    dsp.SineWave Discrete-time sinusoid

    Signal Import and Export

    dsp.AudioFileReader Read audio samples from audio file
    dsp.AudioFileWriter Write audio samples to audio file
    dsp.AudioPlayer Play audio data using computer's audio device
    dsp.AudioRecorder Record audio data using computer's audio device
    dsp.MatFileReader Read MAT file
    dsp.MatFileWriter Write MAT file
    dsp.UDPReceiver Receive UDP packets from network
    dsp.UDPSender Send UDP packets to network
    midicallback Call function handle when MIDI controls change value
    midicontrols Open a group of MIDI controls for reading
    midiid Interactively identify MIDI control
    midiread Return most recent value of MIDI controls
    midisync Send values to MIDI controls to synchronize

    Scopes and Data Logging

    dsp.TimeScope Time domain signal display
    dsp.SpectrumAnalyzer Display frequency spectrum of time-domain signals
    dsp.ArrayPlot Display vectors or arrays
    dsp.LogicAnalyzer Display transitions of signals over time
    dsp.SignalSink Log simulation data in buffer
    Simulink.scopes.TimeScopeConfiguration Configure Time Scope for programmatic access
    spbscopes.SpectrumAnalyzerConfiguration Configure Spectrum Analyzer for programmatic access

    Buffers, Switches, and Counters

    dsp.Buffer Buffer input signal
    dsp.Counter Count up or down through specified range of numbers
    dsp.DelayLine Rebuffer sequence of inputs with one-sample shift
    rebuffer_delay Number of samples of delay introduced by buffering and unbuffering operations

    Filter Design and Analysis

    Filter Design

    fdatool Open Filter Design and Analysis Tool
    filterbuilder GUI-based filter design
    fvtool Open Filter Visualization Tool
    design Apply design method to filter specification object
    fdesign Filter specification object
    fdesign.bandpass Bandpass filter specification object
    fdesign.bandstop Bandstop filter specification object
    fdesign.highpass Highpass filter specification object
    fdesign.lowpass Lowpass filter specification
    fdesign.decimator Decimator filter specification object
    fdesign.interpolator Interpolator filter specification
    fdesign.rsrc Rational-factor sample-rate converter specification
    fdesign.arbmag Arbitrary response magnitude filter specification object
    fdesign.arbmagnphase Arbitrary response magnitude and phase filter specification object
    fdesign.audioweighting Audio weighting filter specification object
    fdesign.ciccomp CIC compensator filter specification object
    fdesign.comb IIR comb filter specification object
    fdesign.differentiator Differentiator filter specification object
    fdesign.fracdelay Fractional delay filter specification object
    fdesign.halfband Halfband filter specification object
    fdesign.hilbert Hilbert filter specification object
    fdesign.isinchp Inverse sinc highpass filter specification
    fdesign.isinclp Inverse sinc lowpass filter specification
    fdesign.notch Notch filter specification
    fdesign.nyquist Nyquist filter specification
    fdesign.octave Octave filter specification
    fdesign.parameq Parametric equalizer filter specification
    fdesign.peak Peak filter specification
    fdesign.polysrc Construct polynomial sample-rate converter (POLYSRC) filter designer
    designmethods Methods available for designing filter from specification object
    designopts Valid input arguments and values for specification object and method
    freqsamp Real or complex frequency-sampled FIR filter from specification object
    help Help for design method with filter specification
    setspecs Specifications for filter specification object
    validstructures Structures for specification object with design method
    ca2tf Convert coupled allpass filter to transfer function form
    cl2tf Convert coupled allpass lattice to transfer function form
    fircband Constrained-band equiripple FIR filter
    firceqrip Constrained equiripple FIR filter
    fireqint Equiripple FIR interpolators
    firgr Parks-McClellan FIR filter
    firhalfband Halfband FIR filter
    firlpnorm Least P-norm optimal FIR filter
    firls Least-square linear-phase FIR filter design
    firminphase Minimum-phase FIR spectral factor
    firnyquist Lowpass Nyquist (Lth-band) FIR filter
    firpr2chfb Two-channel FIR filter bank for perfect reconstruction
    ifir Interpolated FIR filter from filter specification
    iircomb IIR comb notch or peak filter
    iirgrpdelay Optimal IIR filter with prescribed group-delay
    iirlpnorm Least P-norm optimal IIR filter
    iirlpnormc Constrained least Pth-norm optimal IIR filter
    iirnotch Second-order IIR notch filter
    iirpeak Second-order IIR peak or resonator filter

    Filter Analysis

    fdatool Open Filter Design and Analysis Tool
    fvtool Open Filter Visualization Tool
    block Generate block from multirate or multistage filter
    coeffs Coefficients for filters
    cost Estimate cost of discrete-time or multirate filter
    cumsec Vector of SOS filters for cumulative sections
    denormalize Undo filter coefficient and gain changes caused by normalize
    disp Filter properties and values
    double Cast fixed-point filter to use double-precision arithmetic
    euclidfactors Euclid factors for multirate filter
    fftcoeffs Frequency-domain coefficients
    filtstates.cic Store CIC filter states
    firtype Type of linear phase FIR filter
    freqrespest Frequency response estimate via filtering
    freqrespopts Options for filter frequency response analysis
    freqz Frequency response of filter
    grpdelay Filter group delay
    impz Filter impulse response
    isallpass Determine whether filter is allpass
    isfir Determine whether filter is FIR
    islinphase Determine whether filter has linear phase
    ismaxphase Determine whether filter is maximum phase
    isminphase Determine whether filter is minimum phase
    isreal Determine whether filter uses real coefficients
    issos Determine whether filter is SOS form
    isstable Determine whether filter is stable
    measure Measure filter magnitude response
    noisepsd Power spectral density of filter output due to roundoff noise
    noisepsdopts Options for running filter output noise PSD
    norm P-norm of filter
    normalize Normalize filter numerator or feed-forward coefficients
    normalizefreq Switch filter specification between normalized frequency and absolute frequency
    nstates Number of filter states
    order Order of fixed-point filter
    phasedelay Phase delay of filter
    phasez Unwrapped phase response for filter
    polyphase Polyphase decomposition of multirate filter
    realizemdl Simulink subsystem block for filter
    reffilter Reference filter for fixed-point or single-precision filter
    reorder Rearrange sections in SOS filter
    reset Reset filter properties to initial conditions
    scalecheck Check scaling of SOS filter
    stepz Step response for filter
    zerophase Zero-phase response for filter
    zplane Zero-poles plots for filters

    Frequency Transformations

    firlp2hp Convert FIR lowpass filter to Type I FIR highpass filter
    firlp2lp Convert FIR Type I lowpass to FIR Type 1 lowpass with inverse bandwidth
    iirbpc2bpc Transform IIR complex bandpass filter to IIR complex bandpass filter with different characteristics
    iirlp2bp Transform IIR lowpass filter to IIR bandpass filter
    iirlp2bpc IIR lowpass to complex bandpass transformation
    iirlp2bs Transform IIR lowpass filter to IIR bandstop filter
    iirlp2bsc Transform IIR lowpass filter to IIR complex bandstop filter
    iirlp2hp Transform lowpass IIR filter to highpass filter
    iirlp2lp Transform lowpass IIR filter to different lowpass filter
    iirlp2mb Transform IIR lowpass filter to IIR M-band filter
    iirlp2mbc Transform IIR lowpass filter to IIR complex M-band filter
    iirlp2xc Transform IIR lowpass filter to IIR complex N-point filter
    iirlp2xn Transform IIR lowpass filter to IIR real N-point filter
    iirpowcomp Power complementary IIR filter

    Filter Implementation

    Single-Rate Filters

    dsp.AllpassFilter Single section or cascaded allpass filter
    dsp.AllpoleFilter IIR Filter with no zeros
    dsp.BiquadFilter IIR filter using biquadratic structures
    dsp.CoupledAllpassFilter Coupled allpass IIR filter
    dsp.Delay Delay input by specified number of samples or frames
    dsp.FIRFilter Static or time-varying FIR filter
    dsp.IIRFilter Infinite Impulse Response (IIR) filter
    dsp.ParametricEQFilter Tunable second-order parametric equalizer filter
    dsp.NotchPeakFilter Second-order tunable notching and peaking IIR filter
    dsp.VariableBandwidthFIRFilter Variable bandwidth FIR filter
    dsp.VariableBandwidthIIRFilter Variable bandwidth IIR filter
    dsp.VariableFractionalDelay Delay input by time-varying fractional number of sample periods
    sysobj Create filter System object from discrete-time filter or multirate filter
    filter Filter data with filter object
    dfilt.dffir Discrete-time, direct-form FIR filter
    dfilt.dffirt Discrete-time, direct-form FIR transposed filter
    dfilt.dfsymfir Discrete-time, direct-form symmetric FIR filter
    dfilt.dfasymfir Discrete-time, direct-form antisymmetric FIR filter
    dfilt.fftfir Discrete-time, overlap-add, FIR filter
    dfilt.latticemamax Discrete-time, lattice, moving-average filter with maximum phase
    dfilt.latticemamin Discrete-time, lattice, moving-average filter with minimum phase
    dfilt.farrowlinearfd Farrow Linear Fractional Delay filter
    dfilt.farrowfd Fractional Delay Farrow filter
    dfilt.allpass Allpass filter
    dfilt.wdfallpass Wave digital allpass filter
    dfilt.df1 Discrete-time, direct-form I filter
    dfilt.df1sos Discrete-time, SOS direct-form I filter
    dfilt.df1t Discrete-time, direct-form I transposed filter
    dfilt.df1tsos Discrete-time, SOS direct-form I transposed filter
    dfilt.df2 Discrete-time, direct-form II filter
    dfilt.df2sos Discrete-time, SOS, direct-form II filter
    dfilt.df2t Discrete-time, direct-form II transposed filter
    dfilt.df2tsos Discrete-time, SOS direct-form II transposed filter
    dfilt.latticeallpass Discrete-time, lattice allpass filter
    dfilt.latticear Discrete-time, lattice, autoregressive filter
    dfilt.latticearma Discrete-time, lattice, autoregressive, moving-average filter
    dfilt.delay Delay filter
    dfilt.scalar Discrete-time, scalar filter
    dfilt.cascade Cascade of discrete-time filters
    dfilt.parallel Discrete-time, parallel structure filter
    dfilt.cascadeallpass Cascade of allpass discrete-time filters
    dfilt.cascadewdfallpass Cascade allpass WDF filters to construct allpass WDF
    dfilt.calattice Coupled-allpass, lattice filter
    dfilt.calatticepc Coupled-allpass, power-complementary lattice filter
    convert Convert filter structure of discrete-time or multirate filter
    allpass2wdf Allpass to Wave Digital Filter coefficient transformation
    wdf2allpass Wave Digital Filter to allpass coefficient transformation

    Multirate and Multistage Filters

    dsp.CICCompensationDecimator Compensate for CIC decimation filter using FIR decimator
    dsp.CICCompensationInterpolator Compensate for CIC interpolation filter using FIR interpolator
    dsp.CICDecimator Decimate input using Cascaded Integrator-Comb filter
    dsp.CICInterpolator Interpolate signal using Cascaded Integrator-Comb filter
    dsp.DigitalDownConverter Digitally downconvert input signal
    dsp.DigitalUpConverter Digitally upconvert input signal
    dsp.DyadicAnalysisFilterBank Dyadic analysis filter bank
    dsp.DyadicSynthesisFilterBank Reconstruct signals from subbands
    dsp.FarrowRateConverter Polynomial sample rate converter with arbitrary conversion factor
    dsp.FilterCascade Construct a cascade of filter System objects
    dsp.FIRDecimator Polyphase FIR decimator
    dsp.FIRHalfbandDecimator Half-band decimator
    dsp.FIRHalfbandInterpolator halfband interpolator
    dsp.FIRInterpolator Polyphase FIR interpolator
    dsp.FIRRateConverter Sample rate converter
    dsp.SampleRateConverter Multistage sample rate converter
    dsp.SubbandAnalysisFilter Decompose signal into high-frequency and low-frequency subbands
    dsp.SubbandSynthesisFilter Reconstruct signal from high-frequency and low-frequency subbands
    mfilt.firdecim Direct-form FIR polyphase decimator
    mfilt.firtdecim Direct-form transposed FIR filter
    mfilt.cicdecim Fixed-point CIC decimator
    mfilt.iirdecim IIR decimator
    mfilt.iirwdfdecim IIR wave digital filter decimator
    mfilt.firinterp FIR filter-based interpolator
    mfilt.cicinterp Fixed-point CIC interpolator
    mfilt.linearinterp Linear interpolator
    mfilt.holdinterp FIR hold interpolator
    mfilt.fftfirinterp Overlap-add FIR polyphase interpolator
    mfilt.iirinterp IIR interpolator
    mfilt.iirwdfinterp IIR wave digital filter interpolator
    mfilt.firsrc Direct-form FIR polyphase sample rate converter
    mfilt.farrowsrc Sample rate converter with arbitrary conversion factor
    mfilt.cascade Cascade filter objects
    filter Filter data with filter object
    convert Convert filter structure of discrete-time or multirate filter
    sysobj Create filter System object from discrete-time filter or multirate filter

    Adaptive Filters

    dsp.BlockLMSFilter Output, error, and weights using Block LMS adaptive algorithm
    dsp.LMSFilter LMS adaptive filter
    dsp.RLSFilter Compute output, error and coefficients using Recursive Least Squares (RLS) algorithm
    dsp.AffineProjectionFilter Compute output, error and coefficients using Affine Projection (AP) Algorithm
    dsp.AdaptiveLatticeFilter Adaptive lattice filter
    dsp.FastTransversalFilter Fast Transversal filter
    dsp.FilteredXLMSFilter Filtered XLMS filter
    dsp.FrequencyDomainAdaptiveFilter Frequency Domain Adaptive filter
    dsp.KalmanFilter Estimate system measurements and states using Kalman filter
    adaptfilt Adaptive filter
    adaptfilt.adjlms FIR adaptive filter that uses adjoint LMS algorithm
    adaptfilt.blms FIR adaptive filter that uses BLMS
    adaptfilt.blmsfft FIR adaptive filter that uses FFT-based BLMS
    adaptfilt.dlms FIR adaptive filter that uses delayed LMS
    adaptfilt.filtxlms FIR adaptive filter that uses filtered-x LMS
    adaptfilt.lms FIR adaptive filter that uses LMS
    adaptfilt.nlms Normalized least mean squares adaptive filter
    adaptfilt.sd Sign-data FIR adaptive filter
    adaptfilt.se FIR adaptive filter that uses sign-error algorithm
    adaptfilt.ss FIR adaptive filter that uses sign-sign algorithm
    adaptfilt.ftf Fast transversal LMS adaptive filter
    adaptfilt.hrls FIR adaptive filter that uses householder (RLS)
    adaptfilt.hswrls FIR adaptive filter that uses householder sliding window RLS
    adaptfilt.qrdrls FIR adaptive filter that uses QR-decomposition-based RLS
    adaptfilt.rls Recursive least-squares FIR adaptive filter
    adaptfilt.swftf FIR adaptive filter that uses sliding window fast transversal least squares
    adaptfilt.swrls FIR adaptive filter that uses window recursive least squares (RLS)
    adaptfilt.ap FIR adaptive filter that uses direct matrix inversion
    adaptfilt.apru FIR adaptive filter that uses recursive matrix updating
    adaptfilt.bap FIR adaptive filter that uses block affine projection
    adaptfilt.fdaf FIR adaptive filter that uses frequency-domain with bin step size normalization
    adaptfilt.pbfdaf Partitioned block frequency-domain FIR adaptive filter
    adaptfilt.pbufdaf Partitioned block unconstrained frequency-domain adaptive filter
    adaptfilt.tdafdct Adaptive filter that uses discrete cosine transform
    adaptfilt.tdafdft Adaptive filter that uses discrete Fourier transform
    adaptfilt.ufdaf FIR adaptive filter that uses unconstrained frequency-domain with quantized step size normalization
    adaptfilt.gal FIR adaptive filter that uses gradient lattice
    adaptfilt.lsl Least squares lattice adaptive filter
    adaptfilt.qrdlsl QR-decomposition-based least-squares lattice adaptive filter
    filter Filter data with filter object
    maxstep Maximum step size for adaptive filter convergence
    msepred Predicted mean-squared error for adaptive filter
    msesim Measured mean-squared error for adaptive filter

    Transforms and Spectral Analysis

    Transforms

    dsp.AnalyticSignal Analytic signals of discrete-time inputs
    dsp.DCT Discrete cosine transform (DCT)
    dsp.FFT Discrete Fourier transform
    dsp.HDLIFFT Inverse fast Fourier transform—optimized for HDL code generation
    dsp.HDLFFT Fast Fourier transform—optimized for HDL code generation
    dsp.IDCT Inverse discrete cosine transform (IDCT)
    dsp.IFFT Inverse discrete Fourier transform (IDFFT)

    Linear Prediction

    dsp.CepstralToLPC Convert cepstral coefficients to linear prediction coefficients
    dsp.LevinsonSolver Solve linear system of equations using Levinson-Durbin recursion
    dsp.LPCToAutocorrelation Convert linear prediction coefficients to autocorrelation coefficients
    dsp.LPCToCepstral Convert linear prediction coefficients to cepstral coefficients
    dsp.LPCToLSF Convert linear prediction coefficients to line spectral frequencies
    dsp.LPCToLSP Convert linear prediction coefficients to line spectral pairs
    dsp.LPCToRC Convert linear prediction coefficients to reflection coefficients
    dsp.LSFToLPC Convert line spectral frequencies to linear prediction coefficients
    dsp.LSPToLPC Convert line spectral pairs to linear prediction coefficients
    dsp.RCToAutocorrelation Convert reflection coefficients to autocorrelation coefficients
    dsp.RCToLPC Convert reflection coefficients to linear prediction coefficients

    Spectral Analysis

    dsp.BurgAREstimator Estimate of autoregressive (AR) model parameters using Burg method
    dsp.BurgSpectrumEstimator Parametric spectral estimate using Burg method
    dsp.SpectrumAnalyzer Display frequency spectrum of time-domain signals
    dsp.SpectrumEstimator Estimate power spectrum
    dsp.CrossSpectrumEstimator Estimate cross-spectral density
    dsp.TransferFunctionEstimator Estimate transfer function

    Speech and Audio Processing

    Audio I/O

    dsp.AudioFileReader Read audio samples from audio file
    dsp.AudioFileWriter Write audio samples to audio file
    dsp.AudioPlayer Play audio data using computer's audio device
    dsp.AudioRecorder Record audio data using computer's audio device

    Linear Prediction and AR Estimation

    dsp.LevinsonSolver Solve linear system of equations using Levinson-Durbin recursion
    dsp.LPCToAutocorrelation Convert linear prediction coefficients to autocorrelation coefficients
    dsp.LPCToLSF Convert linear prediction coefficients to line spectral frequencies
    dsp.LPCToLSP Convert linear prediction coefficients to line spectral pairs
    dsp.LPCToRC Convert linear prediction coefficients to reflection coefficients
    dsp.LSFToLPC Convert line spectral frequencies to linear prediction coefficients
    dsp.LSPToLPC Convert line spectral pairs to linear prediction coefficients
    dsp.RCToAutocorrelation Convert reflection coefficients to autocorrelation coefficients
    dsp.RCToLPC Convert reflection coefficients to linear prediction coefficients
    dsp.CepstralToLPC Convert cepstral coefficients to linear prediction coefficients
    dsp.LPCToCepstral Convert linear prediction coefficients to cepstral coefficients
    dsp.BurgAREstimator Estimate of autoregressive (AR) model parameters using Burg method
    dsp.BurgSpectrumEstimator Parametric spectral estimate using Burg method

    Cepstral Analysis

    dsp.CepstralToLPC Convert cepstral coefficients to linear prediction coefficients
    dsp.LPCToCepstral Convert linear prediction coefficients to cepstral coefficients

    Quantizers

    dsp.ScalarQuantizerDecoder Convert each index value into quantized output value
    dsp.ScalarQuantizerEncoder Associate input value with index value of quantization region
    dsp.UniformDecoder Decode integer input into floating-point output
    dsp.UniformEncoder Quantize and encode floating-point input into integer output
    dsp.VectorQuantizerDecoder Vector quantizer codeword for given index value
    dsp.VectorQuantizerEncoder Vector quantization encoding

    Statistics and Linear Algebra

    Measurements and Statistics

    dsp.Autocorrelator Autocorrelation sequence
    dsp.Crosscorrelator Cross-correlation of two inputs
    dsp.Histogram Histogram of input or sequence of inputs
    dsp.Maximum Find maximum value of input or sequence of inputs
    dsp.Mean Find mean value of input or sequence of inputs
    dsp.Median Median value of input
    dsp.Minimum Find minimum values of input or sequence of inputs
    dsp.PeakToPeak Peak-to-peak value
    dsp.PeakToRMS Peak-to-root-mean-square value of vector
    dsp.PulseMetrics Pulse metrics of bilevel waveforms
    dsp.RMS Root mean square of vector elements
    dsp.StandardDeviation Standard deviation of input or sequence of inputs
    dsp.StateLevels State-level estimation for bilevel rectangular waveform
    dsp.TransitionMetrics Transition metrics of bilevel waveforms
    dsp.Variance Variance of input or sequence of inputs

    Array and Matrix Mathematics

    dsp.ArrayVectorAdder Add array to vector along specified dimension
    dsp.ArrayVectorDivider Divide array by vector along specified dimension
    dsp.ArrayVectorMultiplier Multiply array by vector along specified dimension
    dsp.ArrayVectorSubtractor Subtract vector from array along specified dimension
    dsp.CumulativeProduct Cumulative product of channel, column, or row elements
    dsp.CumulativeSum Cumulative sum of channel, column, or row elements
    dsp.Normalizer Vector normalization along specified dimension
    dsp.HDLComplexToMagnitudeAngle Compute magnitude and phase angle of complex signal—optimized for HDL code generation

    Linear Algebra

    dsp.LDLFactor Factor square Hermitian positive definite matrices into components
    dsp.LevinsonSolver Solve linear system of equations using Levinson-Durbin recursion
    dsp.LowerTriangularSolver Solve lower-triangular matrix equation
    dsp.LUFactor Factor square matrix into lower and upper triangular matrices
    dsp.UpperTriangularSolver Solve upper-triangular matrix equation

    Fixed-Point Design

    Fixed-Point Filters

    dsp.AllpoleFilter IIR Filter with no zeros
    dsp.BiquadFilter IIR filter using biquadratic structures
    dsp.CICDecimator Decimate input using Cascaded Integrator-Comb filter
    dsp.CICInterpolator Interpolate signal using Cascaded Integrator-Comb filter
    dsp.FIRDecimator Polyphase FIR decimator
    dsp.FIRInterpolator Polyphase FIR interpolator
    dsp.FIRFilter Static or time-varying FIR filter
    dsp.FIRRateConverter Sample rate converter
    dsp.IIRFilter Infinite Impulse Response (IIR) filter
    dsp.LMSFilter LMS adaptive filter
    dsp.SubbandAnalysisFilter Decompose signal into high-frequency and low-frequency subbands
    dsp.SubbandSynthesisFilter Reconstruct signal from high-frequency and low-frequency subbands
    autoscale Automatic dynamic range scaling
    freqrespest Frequency response estimate via filtering
    freqrespopts Options for filter frequency response analysis
    freqz Frequency response of filter
    impz Filter impulse response
    isstable Determine whether filter is stable
    limitcycle Response of single-rate, fixed-point IIR filter
    noisepsd Power spectral density of filter output due to roundoff noise
    noisepsdopts Options for running filter output noise PSD
    qreport Most recent fixed-point filtering operation report
    scale Scale sections of SOS filter
    set2int Configure filter for integer filtering
    specifyall Fixed-point scaling modes in direct-form FIR filter
    zplane Zero-poles plots for filters

    Define New System Objects

    Basic Operations

    matlab.System Base class for System objects
    matlab.system.mixin.FiniteSource Finite source mixin class
    matlab.system.StringSet Set of valid string values

    Properties and States

    matlab.System Base class for System objects
    matlab.system.StringSet Set of valid string values

    Load, Save, and Clone

    matlab.System Base class for System objects

    System Block

    Icon and Dialog

    matlab.System Base class for System objects
    matlab.system.mixin.CustomIcon Custom icon mixin class
    matlab.system.display.Header Header for System objects properties
    matlab.system.display.Section Property group section for System objects
    matlab.system.display.SectionGroup Section group for System objects

    Output Specifications

    matlab.System Base class for System objects
    matlab.system.mixin.Propagates Signal characteristics propagation mixin class

    Nondirect Feedthrough

    matlab.System Base class for System objects
    matlab.system.mixin.Nondirect Nondirect feedthrough mixin class

    For Each Subsystem

    matlab.System Base class for System objects
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