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Functions in Phased Array System Toolbox

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  • Phased Arrays

    Antenna and Microphone Elements

    phased.CosineAntennaElement Cosine antenna element
    phased.CrossedDipoleAntennaElement Crossed-dipole antenna element
    phased.CustomAntennaElement Custom antenna element
    phased.CustomMicrophoneElement Custom microphone
    phased.IsotropicAntennaElement Isotropic antenna element
    phased.OmnidirectionalMicrophoneElement Omnidirectional microphone
    phased.ShortDipoleAntennaElement Short-dipole antenna element
    aperture2gain Convert effective aperture to gain
    gain2aperture Convert gain to effective aperture
    uv2azelpat Convert radiation pattern from u/v form to azimuth/elevation form
    azel2uvpat Convert radiation pattern from azimuth/elevation form to u/v form
    phitheta2azelpat Convert radiation pattern from phi/theta form to azimuth/elevation form
    azel2phithetapat Convert radiation pattern from azimuth/elevation to phi/theta form
    uv2phithetapat Convert radiation pattern from u/v form to phi/theta form
    phitheta2uvpat Convert radiation pattern from phi/theta form to u/v form
    uv2azel Convert u/v coordinates to azimuth/elevation angles
    azel2uv Convert azimuth/elevation angles to u/v coordinates
    phitheta2azel Convert angles from phi/theta form to azimuth/elevation form
    azel2phitheta Convert angles from azimuth/elevation form to phi/theta form
    uv2phitheta Convert u/v coordinates to phi/theta angles
    phitheta2uv Convert phi/theta angles to u/v coordinates
    polellip Parameters of ellipse traced out by tip of a polarized field vector
    polratio Ratio of vertical to horizontal linear polarization components of a field
    pol2circpol Convert linear component representation of field to circular component representation
    circpol2pol Convert circular component representation of field to linear component representation
    stokes Stokes parameters of polarized field
    polloss Polarization loss
    polsignature Copolarization and cross-polarization signatures

    Array Geometries and Analysis

    phased.ULA Uniform linear array
    phased.URA Uniform rectangular array
    phased.ConformalArray Conformal array
    phased.PartitionedArray Phased array partitioned into subarrays
    phased.ReplicatedSubarray Phased array formed by replicated subarrays
    phased.HeterogeneousConformalArray Heterogeneous conformal array
    phased.HeterogeneousULA Heterogeneous uniform linear array
    phased.HeterogeneousURA Heterogeneous uniform rectangular array
    phased.SteeringVector Sensor array steering vector
    phased.ArrayGain Sensor array gain
    phased.ArrayResponse Sensor array response
    phased.ElementDelay Sensor array element delay estimator
    az2broadside Convert azimuth angle to broadside angle
    broadside2az Convert broadside angle to azimuth angle
    sensorArrayAnalyzer Sensor array analyzer

    Signal Radiation and Collection

    phased.Collector Narrowband signal collector
    phased.Radiator Narrowband signal radiator
    phased.WidebandCollector Wideband signal collector
    sensorsig Simulate received signal at sensor array

    Waveforms, Transmitters, and Receivers

    Waveforms

    phased.LinearFMWaveform Linear FM pulse waveform
    phased.PhaseCodedWaveform Phase-coded pulse waveform
    phased.RectangularWaveform Rectangular pulse waveform
    phased.SteppedFMWaveform Stepped FM pulse waveform
    phased.FMCWWaveform FMCW Waveform
    phased.MatchedFilter Matched filter
    ambgfun Ambiguity function
    unigrid Uniform grid
    range2bw Convert range resolution to required bandwidth
    range2time Convert propagation distance to propagation time
    time2range Convert propagation time to propagation distance
    radarWaveformAnalyzer Radar waveform analyzer

    Transmitters and Receivers

    phased.Transmitter Transmitter
    phased.ReceiverPreamp Receiver preamp
    sensorsig Simulate received signal at sensor array
    noisepow Receiver noise power
    systemp Receiver system-noise temperature
    delayseq Delay or advance sequence

    Array Signal Processing

    Beamforming

    phased.PhaseShiftBeamformer Narrowband phase shift beamformer
    phased.LCMVBeamformer Narrowband LCMV beamformer
    phased.MVDRBeamformer Narrowband MVDR (Capon) beamformer
    phased.SubbandPhaseShiftBeamformer Subband phase shift beamformer
    phased.FrostBeamformer Frost beamformer
    phased.TimeDelayBeamformer Time delay beamformer
    phased.TimeDelayLCMVBeamformer Time delay LCMV beamformer
    phased.SteeringVector Sensor array steering vector
    az2broadside Convert azimuth angle to broadside angle
    broadside2az Convert broadside angle to azimuth angle
    cbfweights Conventional beamformer weights
    lcmvweights Narrowband linearly constrained minimum variance (LCMV) beamformer weights
    mvdrweights Minimum variance distortionless response (MVDR) beamformer weights
    sensorcov Sensor spatial covariance matrix
    steervec Steering vector

    Direction of Arrival (DOA) Estimation

    phased.SumDifferenceMonopulseTracker Sum and difference monopulse for ULA
    phased.SumDifferenceMonopulseTracker2D Sum and difference monopulse for URA
    phased.BeamscanEstimator Beamscan spatial spectrum estimator for ULA
    phased.BeamscanEstimator2D 2-D beamscan spatial spectrum estimator
    phased.MVDREstimator MVDR (Capon) spatial spectrum estimator for ULA
    phased.MVDREstimator2D 2-D MVDR (Capon) spatial spectrum estimator
    phased.RootMUSICEstimator Root MUSIC direction of arrival (DOA) estimator
    phased.RootWSFEstimator Root WSF direction of arrival (DOA) estimator
    phased.ESPRITEstimator ESPRIT direction of arrival (DOA) estimator
    phased.BeamspaceESPRITEstimator Beamspace ESPRIT direction of arrival (DOA) estimator
    az2broadside Convert azimuth angle to broadside angle
    broadside2az Convert broadside angle to azimuth angle
    aictest Dimension of signal subspace
    espritdoa Direction of arrival using TLS ESPRIT
    mdltest Dimension of signal subspace
    rootmusicdoa Direction of arrival using Root MUSIC
    spsmooth Spatial smoothing

    Space-Time Adaptive Processing (STAP)

    phased.STAPSMIBeamformer Sample matrix inversion (SMI) beamformer
    phased.DPCACanceller Displaced phase center array (DPCA) pulse canceller
    phased.ADPCACanceller Adaptive DPCA (ADPCA) pulse canceller
    phased.AngleDopplerResponse Angle-Doppler response
    dopsteeringvec Doppler steering vector
    val2ind Uniform grid index

    Signal Propagation and Environment

    phased.FreeSpace Free space environment
    phased.RadarTarget Radar target
    phased.ConstantGammaClutter Constant gamma clutter simulation
    phased.gpu.ConstantGammaClutter Constant gamma clutter simulation on GPU
    phased.BarrageJammer Barrage jammer
    billingsleyicm Billingsley's intrinsic clutter motion (ICM) model
    depressionang Depression angle of surface target
    effearthradius Effective earth radius
    fspl Free space path loss
    grazingang Grazing angle of surface target
    horizonrange Horizon range
    physconst Physical constants
    surfacegamma Gamma value for different terrains
    surfclutterrcs Surface clutter radar cross section (RCS)

    Detection and System Analysis

    phased.CFARDetector Constant false alarm rate (CFAR) detector
    phased.MatchedFilter Matched filter
    phased.RangeDopplerResponse Range-Doppler response
    phased.StretchProcessor Stretch processor for linear FM waveform
    phased.TimeVaryingGain Time varying gain control
    npwgnthresh Detection SNR threshold for signal in white Gaussian noise
    pulsint Pulse integration
    rocpfa Receiver operating characteristic curves by false-alarm probability
    rocsnr Receiver operating characteristic curves by SNR
    albersheim Required SNR using Albersheim's equation
    shnidman Required SNR using Shnidman's equation
    stretchfreq2rng Convert frequency offset to range
    dechirp Perform dechirp operation on FMCW signal
    beat2range Convert beat frequency to range
    range2beat Convert range to beat frequency
    rdcoupling Range Doppler coupling
    physconst Physical constants
    radareqpow Peak power estimate from radar equation
    radareqrng Maximum theoretical range estimate
    radareqsnr SNR estimate from radar equation
    radarEquationCalculator Radar equation calculator
    radarvcd Vertical coverage diagram
    blakechart Range-angle-height (Blake) chart

    Motion Modeling and Coordinate Systems

    phased.Platform Motion platform
    dop2speed Convert Doppler shift to speed
    speed2dop Convert speed to Doppler shift
    radialspeed Relative radial speed
    rangeangle Range and angle calculation
    global2localcoord Convert global to local coordinates
    local2globalcoord Convert local to global coordinates
    uv2azel Convert u/v coordinates to azimuth/elevation angles
    azel2uv Convert azimuth/elevation angles to u/v coordinates
    phitheta2azel Convert angles from phi/theta form to azimuth/elevation form
    azel2phitheta Convert angles from azimuth/elevation form to phi/theta form
    uv2phitheta Convert u/v coordinates to phi/theta angles
    phitheta2uv Convert phi/theta angles to u/v coordinates
    rotx Rotation matrix for rotations around x-axis
    roty Rotation matrix for rotations around y-axis
    rotz Rotation matrix for rotations around z-axis
    cart2sphvec Convert vector from Cartesian components to spherical representation
    sph2cartvec Convert vector from spherical basis components to Cartesian components
    azelaxes Spherical basis vectors in 3-by-3 matrix form

    Algorithm Acceleration

    GPU Computing

    phased.gpu.ConstantGammaClutter Constant gamma clutter simulation on GPU
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