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Alphabetical List
By Category

`adaptfilt` |
Adaptive filter |

`adaptfilt.adjlms` |
FIR adaptive filter that uses adjoint LMS algorithm |

`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.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.fdaf` |
FIR adaptive filter that uses frequency-domain with bin step size normalization |

`adaptfilt.filtxlms` |
FIR adaptive filter that uses filtered-x LMS |

`adaptfilt.ftf` |
Fast transversal LMS adaptive filter |

`adaptfilt.gal` |
FIR adaptive filter that uses gradient lattice |

`adaptfilt.hrls` |
FIR adaptive filter that uses householder (RLS) |

`adaptfilt.hswrls` |
FIR adaptive filter that uses householder sliding window RLS |

`adaptfilt.lms` |
FIR adaptive filter that uses LMS |

`adaptfilt.lsl` |
Least squares lattice adaptive filter |

`adaptfilt.nlms` |
Normalized least mean squares adaptive filter |

`adaptfilt.pbfdaf` |
Partitioned block frequency-domain FIR adaptive filter |

`adaptfilt.pbufdaf` |
Partitioned block unconstrained frequency-domain adaptive filter |

`adaptfilt.qrdlsl` |
QR-decomposition-based least-squares lattice adaptive filter |

`adaptfilt.qrdrls` |
FIR adaptive filter that uses QR-decomposition-based RLS |

`adaptfilt.rls` |
Recursive least-squares FIR 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.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.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 |

`allpass2wdf` |
Allpass to Wave Digital Filter coefficient transformation |

`allpassbpc2bpc` |
Allpass filter for complex bandpass transformation |

`allpasslp2bp` |
Allpass filter for lowpass to bandpass transformation |

`allpasslp2bpc` |
Allpass filter for lowpass to complex bandpass transformation |

`allpasslp2bs` |
Allpass filter for lowpass to bandstop transformation |

`allpasslp2bsc` |
Allpass filter for lowpass to complex bandstop transformation |

`allpasslp2hp` |
Allpass filter for lowpass to highpass transformation |

`allpasslp2lp` |
Allpass filter for lowpass to lowpass transformation |

`allpasslp2mb` |
Allpass filter for lowpass to M-band transformation |

`allpasslp2mbc` |
Allpass filter for lowpass to complex M-band transformation |

`allpasslp2xc` |
Allpass filter for lowpass to complex N-point transformation |

`allpasslp2xn` |
Allpass filter for lowpass to N-point transformation |

`allpassrateup` |
Allpass filter for integer upsample transformation |

`allpassshift` |
Allpass filter for real shift transformation |

`allpassshiftc` |
Allpass filter for complex shift transformation |

`audioDeviceWriter` |
Play to sound card |

`autoscale` |
Automatic dynamic range scaling |

`block` |
Generate block from a digital filter |

`butter` |
Butterworth IIR filter design using specification object |

`ca2tf` |
Convert coupled allpass filter to transfer function form |

`cascade` |
Cascade of filter system objects |

`cheby1` |
Chebyshev Type I filter using specification object |

`cheby2` |
Chebyshev Type II filter using specification object |

`cl2tf` |
Convert coupled allpass lattice to transfer function form |

`codegen` |
Generate C/C++ code from MATLAB code |

`coeffs` |
Filter coefficients |

`coeread` |
Read Xilinx COE file |

`coewrite` |
Write Xilinx COE file |

`constraincoeffwl` |
Constrain coefficient wordlength |

`convert` |
Convert filter structure of discrete-time filter |

`cost` |
Estimate cost for implementing filter System objects |

`cumsec` |
Cumulative second-order section of BiquadFilter System object |

`denormalize` |
Undo filter coefficient and gain changes caused by normalize |

`design` |
Apply design method to filter specification object |

`designmethods` |
Methods available for designing filter from specification object |

`designMultirateFIR` |
Multirate FIR filter design |

`designopts` |
Valid input arguments and values for specification object and method |

`dfilt` |
Discrete-time filter |

`dfilt.allpass` |
Allpass filter |

`dfilt.calattice` |
Coupled-allpass, lattice filter |

`dfilt.calatticepc` |
Coupled-allpass, power-complementary lattice filter |

`dfilt.cascade` |
Cascade of discrete-time filters |

`dfilt.cascadeallpass` |
Cascade of allpass discrete-time filters |

`dfilt.cascadewdfallpass` |
Cascade allpass WDF filters to construct allpass WDF |

`dfilt.delay` |
Delay 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.dfasymfir` |
Discrete-time, direct-form antisymmetric FIR filter |

`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.farrowfd` |
Fractional Delay Farrow filter |

`dfilt.farrowlinearfd` |
Farrow Linear Fractional Delay filter |

`dfilt.fftfir` |
Discrete-time, overlap-add, FIR 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.latticemamax` |
Discrete-time, lattice, moving-average filter with maximum phase |

`dfilt.latticemamin` |
Discrete-time, lattice, moving-average filter with minimum phase |

`dfilt.parallel` |
Discrete-time, parallel structure filter |

`dfilt.scalar` |
Discrete-time, scalar filter |

`dfilt.wdfallpass` |
Wave digital allpass filter |

`disp` |
Filter properties and values |

`double` |
Cast fixed-point filter to use double-precision arithmetic |

`dsp.AdaptiveLatticeFilter` |
Adaptive lattice filter |

`dsp.AffineProjectionFilter` |
Compute output, error and coefficients using Affine Projection (AP) Algorithm |

`dsp.AllpassFilter` |
Single section or cascaded allpass filter |

`dsp.AllpoleFilter` |
IIR Filter with no zeros |

`dsp.AnalyticSignal` |
Analytic signals of discrete-time inputs |

`dsp.ArrayPlot` |
Display vectors or arrays |

`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.AsyncBuffer` |
FIFO buffer |

`dsp.AudioFileReader` |
Stream from audio file |

`dsp.AudioFileWriter` |
Stream to audio file |

`dsp.AudioPlayer` |
Play audio data using computer's audio device |

`dsp.AudioRecorder` |
Record audio data using computer's audio device |

`dsp.Autocorrelator` |
Autocorrelation sequence |

`dsp.BinaryFileReader` |
Read data from binary file |

`dsp.BinaryFileWriter` |
Write data to binary files |

`dsp.BiquadFilter` |
IIR filter using biquadratic structures |

`dsp.BlockLMSFilter` |
Compute output, error, and weights using Block LMS adaptive algorithm |

`dsp.Buffer` |
Buffer input signal |

`dsp.BurgAREstimator` |
Estimate of autoregressive (AR) model parameters using Burg method |

`dsp.BurgSpectrumEstimator` |
Parametric spectral estimate using Burg method |

`dsp.CepstralToLPC` |
Convert cepstral coefficients to linear prediction coefficients |

`dsp.Channelizer` |
Polyphase FFT analysis filter bank |

`dsp.ChannelSynthesizer` |
Polyphase FFT synthesis filter bank |

`dsp.Chirp` |
Generate swept-frequency cosine (chirp) signal |

`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.ColoredNoise` |
Colored noise generator |

`dsp.Convolver` |
Convolution of two inputs |

`dsp.Counter` |
Count up or down through specified range of numbers |

`dsp.CoupledAllpassFilter` |
Coupled allpass IIR filter |

`dsp.Crosscorrelator` |
Cross-correlation of two inputs |

`dsp.CrossSpectrumEstimator` |
Estimate cross-spectral density |

`dsp.CumulativeProduct` |
Cumulative product of channel, column, or row elements |

`dsp.CumulativeSum` |
Cumulative sum of channel, column, or row elements |

`dsp.DCBlocker` |
Remove DC component |

`dsp.DCT` |
Discrete cosine transform (DCT) |

`dsp.Delay` |
Delay input by specified number of samples or frames |

`dsp.DelayLine` |
Rebuffer sequence of inputs with one-sample shift |

`dsp.Differentiator` |
Direct form FIR fullband differentiator filter |

`dsp.DigitalDownConverter` |
Translate digital signal from Intermediate Frequency (IF) band to baseband and decimate it |

`dsp.DigitalUpConverter` |
Interpolate digital signal and translate it from baseband to Intermediate Frequency (IF) band |

`dsp.DyadicAnalysisFilterBank` |
Dyadic analysis filter bank |

`dsp.DyadicSynthesisFilterBank` |
Reconstruct signals from subbands |

`dsp.FarrowRateConverter` |
Polynomial sample rate converter with arbitrary conversion factor |

`dsp.FastTransversalFilter` |
Fast Transversal filter |

`dsp.FFT` |
Discrete Fourier transform |

`dsp.FilterCascade` |
Create a cascade of filter System objects |

`dsp.FilteredXLMSFilter` |
Filtered XLMS filter |

`dsp.FIRDecimator` |
Polyphase FIR decimator |

`dsp.FIRFilter` |
Static or time-varying FIR filter |

`dsp.FIRHalfbandDecimator` |
Halfband decimator |

`dsp.FIRHalfbandInterpolator` |
Halfband interpolator |

`dsp.FIRInterpolator` |
Polyphase FIR interpolator |

`dsp.FIRRateConverter` |
Sample rate converter |

`dsp.FrequencyDomainAdaptiveFilter` |
Frequency Domain Adaptive filter |

`dsp.HampelFilter` |
Filter outliers using Hampel identifier |

`dsp.HDLChannelizer` |
Polyphase filter bank and fast Fourier transform—optimized for HDL code generation |

`dsp.HDLComplexToMagnitudeAngle` |
Compute magnitude and phase angle of complex signal—optimized for HDL code generation |

`dsp.HDLFFT` |
Fast Fourier transform—optimized for HDL code generation |

`dsp.HDLFIRFilter` |
Finite impulse response filter—optimized for HDL code generation |

`dsp.HDLFIRRateConverter` |
Upsample, filter, and downsample—optimized for HDL code generation |

`dsp.HDLIFFT` |
Inverse fast Fourier transform—optimized for HDL code generation |

`dsp.HDLNCO` |
Generate real or complex sinusoidal signals—optimized for HDL code generation |

`dsp.HighpassFilter` |
FIR or IIR highpass filter |

`dsp.Histogram` |
Histogram of input or sequence of inputs |

`dsp.IDCT` |
Inverse discrete cosine transform (IDCT) |

`dsp.IFFT` |
Inverse discrete Fourier transform (IDFFT) |

`dsp.IIRFilter` |
Infinite Impulse Response (IIR) filter |

`dsp.IIRHalfbandDecimator` |
Decimate by factor of two using polyphase IIR |

`dsp.IIRHalfbandInterpolator` |
Interpolate by a factor of two using polyphase IIR |

`dsp.Interpolator` |
Linear or FIR interpolation |

`dsp.KalmanFilter` |
Estimate system measurements and states using Kalman filter |

`dsp.LDLFactor` |
Factor square Hermitian positive definite matrices into components |

`dsp.LevinsonSolver` |
Solve linear system of equations using Levinson-Durbin recursion |

`dsp.LMSFilter` |
LMS adaptive filter |

`dsp.LogicAnalyzer` |
Visualize, measure, and analyze transitions and states over time |

`dsp.LowerTriangularSolver` |
Solve lower-triangular matrix equation |

`dsp.LowpassFilter` |
FIR or IIR lowpass filter |

`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.LUFactor` |
Factor square matrix into lower and upper triangular matrices |

`dsp.MatFileReader` |
Read MAT file |

`dsp.MatFileWriter` |
Write MAT file |

`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.MedianFilter` |
Median filter |

`dsp.Minimum` |
Find minimum values of input or sequence of inputs |

`dsp.MovingAverage` |
Moving average |

`dsp.MovingMaximum` |
Moving maximum |

`dsp.MovingMinimum` |
Moving minimum |

`dsp.MovingRMS` |
Moving Root Mean Square |

`dsp.MovingStandardDeviation` |
Moving standard deviation |

`dsp.MovingVariance` |
Moving variance |

`dsp.NCO` |
Generate real or complex sinusoidal signals |

`dsp.Normalizer` |
Vector normalization along specified dimension |

`dsp.NotchPeakFilter` |
Second-order tunable notching and peaking IIR filter |

`dsp.ParametricEQFilter` |
Tunable second-order parametric equalizer filter |

`dsp.PeakFinder` |
Determine extrema (maxima or minima) in input signal |

`dsp.PeakToPeak` |
Peak-to-peak value |

`dsp.PeakToRMS` |
Peak-to-root-mean-square value of vector |

`dsp.PhaseExtractor` |
Extract the unwrapped phase of a complex input |

`dsp.PhaseUnwrapper` |
Unwrap signal phase |

`dsp.PulseMetrics` |
Pulse metrics of bilevel waveforms |

`dsp.RCToAutocorrelation` |
Convert reflection coefficients to autocorrelation coefficients |

`dsp.RCToLPC` |
Convert reflection coefficients to linear prediction coefficients |

`dsp.RLSFilter` |
Compute output, error and coefficients using Recursive Least Squares (RLS) algorithm |

`dsp.RMS` |
Root mean square of vector elements |

`dsp.SampleRateConverter` |
Multistage sample rate converter |

`dsp.ScalarQuantizerDecoder` |
Convert each index value into quantized output value |

`dsp.ScalarQuantizerEncoder` |
Associate input value with index value of quantization region |

`dsp.SignalSink` |
Log simulation data in buffer |

`dsp.SignalSource` |
Import variable from workspace |

`dsp.SineWave` |
Discrete-time sinusoid |

`dsp.SpectrumAnalyzer` |
Display frequency spectrum of time-domain signals |

`dsp.SpectrumEstimator` |
Estimate power spectrum or power density spectrum |

`dsp.StandardDeviation` |
Standard deviation of input or sequence of inputs |

`dsp.StateLevels` |
State-level estimation for bilevel rectangular waveform |

`dsp.SubbandAnalysisFilter` |
Decompose signal into high-frequency and low-frequency subbands |

`dsp.SubbandSynthesisFilter` |
Reconstruct signal from high-frequency and low-frequency subbands |

`dsp.TimeScope` |
Time domain signal display |

`dsp.TransferFunctionEstimator` |
Estimate transfer function |

`dsp.TransitionMetrics` |
Transition metrics of bilevel waveforms |

`dsp.UDPReceiver` |
Receive UDP packets from network |

`dsp.UDPSender` |
Send UDP packets to network |

`dsp.UniformDecoder` |
Decode integer input into floating-point output |

`dsp.UniformEncoder` |
Quantize and encode floating-point input into integer output |

`dsp.UpperTriangularSolver` |
Solve upper-triangular matrix equation |

`dsp.VariableBandwidthFIRFilter` |
Variable bandwidth FIR filter |

`dsp.VariableBandwidthIIRFilter` |
Variable bandwidth IIR filter |

`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.Variance` |
Variance of input or sequence of inputs |

`dsp.VectorQuantizerDecoder` |
Vector quantizer codeword for given index value |

`dsp.VectorQuantizerEncoder` |
Vector quantization encoding |

`dsp.Window` |
Window object |

`dsp.ZeroCrossingDetector` |
Zero crossing detector |

`dsp_links` |
Identify whether blocks in model are current, deprecated, or obsolete |

`dsplib` |
Open top-level DSP System Toolbox library |

`dspstartup` |
Configure Simulink environment for signal processing systems |

`dspunfold` |
Generates a multi-threaded MEX file from a MATLAB function |

`ellip` |
Elliptic filter using specification object |

`equiripple` |
Equiripple single-rate FIR filter from specification object |

`euclidfactors` |
Euclid factors for multirate filter |

`fcfwrite` |
Write file containing filter coefficients |

`fdesign` |
Filter specification object |

`fdesign.arbgrpdelay` |
Arbitrary group delay filter specification object |

`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.bandpass` |
Bandpass filter specification object |

`fdesign.bandstop` |
Bandstop filter specification object |

`fdesign.ciccomp` |
CIC compensator filter specification object |

`fdesign.comb` |
IIR comb filter specification object |

`fdesign.decimator` |
Decimator filter specification object |

`fdesign.differentiator` |
Differentiator filter specification object |

`fdesign.fracdelay` |
Fractional delay filter specification object |

`fdesign.halfband` |
Halfband filter specification object |

`fdesign.highpass` |
Highpass filter specification object |

`fdesign.hilbert` |
Hilbert filter specification object |

`fdesign.interpolator` |
Interpolator filter specification |

`fdesign.isinchp` |
Inverse sinc highpass filter specification |

`fdesign.isinclp` |
Inverse sinc lowpass filter specification |

`fdesign.lowpass` |
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 |

`fdesign.rsrc` |
Rational-factor sample-rate converter specification |

`fftcoeffs` |
Frequency-domain coefficients |

`filter` |
Filter data with filter object |

`filterBuilder` |
Interactive filter design |

`filterDesigner` |
Open Filter Designer app |

`filtstates.cic` |
Store CIC filter states |

`fircband` |
Constrained-band equiripple FIR filter |

`firceqrip` |
Constrained equiripple FIR filter |

`fircls` |
FIR Constrained Least Squares filter |

`fireqint` |
Equiripple FIR interpolators |

`firgr` |
Parks-McClellan FIR filter |

`firhalfband` |
Halfband FIR filter design |

`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 |

`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 |

`firtype` |
Type of linear phase FIR filter |

`freqrespest` |
Frequency response estimate via filtering |

`freqrespopts` |
Options for filter frequency response analysis |

`freqsamp` |
Real or complex frequency-sampled FIR filter from specification object |

`freqz` |
Frequency response of filter |

`fvtool` |
Open Filter Visualization Tool |

`gain` |
CIC filter gain |

`grpdelay` |
Group delay response of discrete-time filter System object |

`help` |
Help for design method with filter specification |

`ifir` |
Interpolated FIR filter design |

`iirbpc2bpc` |
Transform IIR complex bandpass filter to IIR complex bandpass filter with different characteristics |

`iircomb` |
IIR comb notch or peak filter |

`iirftransf` |
IIR frequency transformation of filter |

`iirgrpdelay` |
Optimal IIR filter with prescribed group-delay |

`iirlinphase` |
Quasi-linear phase IIR filter from halfband filter specification |

`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 |

`iirlpnorm` |
Least P-norm optimal IIR filter |

`iirlpnormc` |
Constrained least Pth-norm optimal IIR filter |

`iirls` |
Least-squares IIR filter from specification object |

`iirnotch` |
Second-order IIR notch filter |

`iirparameq` |
IIR biquad digital parametric equalizer filter |

`iirpeak` |
Second-order IIR peak or resonator filter |

`iirpowcomp` |
Power complementary IIR filter |

`iirrateup` |
Upsample IIR filter by integer factor |

`iirshift` |
Shift frequency response of IIR filter |

`iirshiftc` |
Shift frequency response of IIR complex filter |

`impz` |
Impulse response of discrete-time filter System object |

`impzlength` |
Impulse response length |

`info` |
Information about filter |

`int` |
States from CIC filter |

`isallpass` |
Determine whether filter is allpass |

`isfir` |
Determine whether filter System object 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 |

`liblinks` |
Check model for blocks from specific DSP System Toolbox libraries |

`limitcycle` |
Response of single-rate, fixed-point IIR filter |

`maxflat` |
Maxflat FIR filter |

`maximizestopband` |
Maximize stopband attenuation of fixed-point filter |

`maxstep` |
Maximum step size for adaptive filter convergence |

`measure` |
Measure frequency response characteristics of filter System object |

`mfilt` |
Multirate filter |

`mfilt.cascade` |
Cascade filter objects |

`mfilt.cicdecim` |
Fixed-point CIC decimator |

`mfilt.cicinterp` |
Fixed-point CIC interpolator |

`mfilt.farrowsrc` |
Sample rate converter with arbitrary conversion factor |

`mfilt.fftfirinterp` |
Overlap-add FIR polyphase interpolator |

`mfilt.firdecim` |
Direct-form FIR polyphase decimator |

`mfilt.firfracdecim (Obsolete)` |
Direct-form FIR polyphase fractional decimator |

`mfilt.firfracinterp (Obsolete)` |
Direct-form FIR polyphase fractional interpolator |

`mfilt.firinterp` |
FIR filter-based interpolator |

`mfilt.firsrc` |
Direct-form FIR polyphase sample rate converter |

`mfilt.firtdecim` |
Direct-form transposed FIR filter |

`mfilt.holdinterp` |
FIR hold interpolator |

`mfilt.iirdecim` |
IIR decimator |

`mfilt.iirinterp` |
IIR interpolator |

`mfilt.iirwdfdecim` |
IIR wave digital filter decimator |

`mfilt.iirwdfinterp` |
IIR wave digital filter interpolator |

`mfilt.linearinterp` |
Linear interpolator |

`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 |

`minimizecoeffwl` |
Minimum wordlength fixed-point filter |

`msepred` |
Predicted mean-squared error for adaptive filter |

`msesim` |
Measured mean-squared error for adaptive filter |

`multistage` |
Multistage filter from specification object |

`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 discrete-time filter System object |

`phasedelay` |
Phase delay response of discrete-time filter System object |

`phasez` |
Unwrapped phase response for filter |

`polyphase` |
Polyphase decomposition of multirate filter |

`qreport` |
Most recent fixed-point filtering operation report |

`realizemdl` |
Simulink subsystem block for filter |

`rebuffer_delay` |
Number of samples of delay introduced by buffering and unbuffering operations |

`reffilter` |
Reference filter for fixed-point or single-precision filter |

`reorder` |
Rearrange sections in SOS filter |

`reset` |
Reset the internal states of a System object |

`scale` |
Scale second-order sections of dsp.BiquadFilter System object |

`scalecheck` |
Check scaling of SOS filter |

`scaleopts` |
Create an options object for second-order section scaling |

`set2int` |
Configure filter for integer filtering |

`setspecs` |
Specifications for filter specification object |

`sos` |
Convert quantized filter to second–order sections (SOS) form |

`spbscopes.SpectrumAnalyzerConfiguration` |
Configure Spectrum Analyzer for programmatic access |

`specifyall` |
Fully specify fixed-point filter System object settings |

`stepz` |
Step response of discrete-time filter System object |

`sysobj` |
Create filter System object from discrete-time filter |

`tf2ca` |
Transfer function to coupled allpass |

`tf2cl` |
Transfer function to coupled allpass lattice |

`validstructures` |
Structures for specification object with design method |

`wdf2allpass` |
Wave Digital Filter to allpass coefficient transformation |

`window` |
FIR filter using windowed impulse response |

`zerophase` |
Zero-phase response of discrete-time filter System object |

`zpkbpc2bpc` |
Zero-pole-gain complex bandpass frequency transformation |

`zpkftransf` |
Zero-pole-gain frequency transformation |

`zpklp2bp` |
Zero-pole-gain lowpass to bandpass frequency transformation |

`zpklp2bpc` |
Zero-pole-gain lowpass to complex bandpass frequency transformation |

`zpklp2bs` |
Zero-pole-gain lowpass to bandstop frequency transformation |

`zpklp2bsc` |
Zero-pole-gain lowpass to complex bandstop frequency transformation |

`zpklp2hp` |
Zero-pole-gain lowpass to highpass frequency transformation |

`zpklp2lp` |
Zero-pole-gain lowpass to lowpass frequency transformation |

`zpklp2mb` |
Zero-pole-gain lowpass to M-band frequency transformation |

`zpklp2mbc` |
Zero-pole-gain lowpass to complex M-band frequency transformation |

`zpklp2xc` |
Zero-pole-gain lowpass to complex N-point frequency transformation |

`zpklp2xn` |
Zero-pole-gain lowpass to N-point frequency transformation |

`zpkrateup` |
Zero-pole-gain complex bandpass frequency transformation |

`zpkshift` |
Zero-pole-gain real shift frequency transformation |

`zpkshiftc` |
Zero-pole-gain complex shift frequency transformation |

`zplane` |
Z-plane zero-pole plot for discrete-time filter System object |

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