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1、SignalProcessingToolbox6.15Performsignalprocessing,analysis,andalgorithmdevelopmentSignalProcessingToolbox™providesindustry-standardalgorithmsforanaloganddigitalsignalprocessing(DSP).Youcanusethetoolboxtovisualizesignalsintimeandfrequencydomains,computeF
2、FTsforspectralanalysis,designFIRandIIRfilters,andimplementconvolution,modulation,resampling,andothersignalprocessingtechniques.Algorithmsinthetoolboxcanbeusedasabasisfordevelopingcustomalgorithmsforaudioandspeechprocessing,instrumentation,andbasebandwire
3、lesscommunications.KeyFeatures▪Signalandlinearsystemmodels▪Waveformandpulsegenerationfunctions,includingsine,square,sawtooth,andGaussianpulse▪Statisticalsignalprocessinganddatawindowingfunctions▪Powerspectraldensityestimationalgorithms,includingperiodogr
4、am,Welch,andYule-Walker▪DigitalFIRandIIRfilterdesign,analysis,andimplementationmethods▪Analogfilterdesignmethods,includingButterworth,Chebyshev,andBessel▪Signaltransforms,includingfastFouriertransform(FFT),discreteFouriertransform(DFT),andshort-timeFouri
5、ertransform(STFT)▪Linearpredictionandparametrictime-seriesmodeling1Analysisandvisualizationtoolsforverifyingnumericalaccuracyandperformance.ExampleplotsfromSignalProcessingToolboxinclude(clockwisefromtopleft):Aperiodogramofanumericallycontrolledoscillato
6、r;areconstructedECGsignalusingtheWalsh-HadamardtransformshownwiththeoriginalECGsignal;themagnituderesponseofalow-passFIRfilter,withaspecificationmaskoverlay;andtheimpulseresponseofaGaussianpulse-shapingfilterforvariousbandwidths.Generating,Visualizing,an
7、dAnalyzingSignalsSignalProcessingToolboxenablesyoutogenerateandanalyzediscretesignalsinMATLAB®.Youcan:▪Createvectorsofdiscretesignalvalues▪Generatestandardwaveformsusingbuilt-intoolboxfunctions▪Importsignalsfromfiles▪Acquiresignalsfrominstruments,multime
8、diadevices,andotherhardwareGeneratingWaveformsYoucangeneratecontinuousanddiscretesignalsusingsignalgenerationfunctionsinthetoolbox.Supportforcommonlyusedwaveformsincludes:▪Periodicwaveforms,suchassine,square,sawtooth,andre
