标签: improvements

ImprovementsonthehybridMonteCarloalgorithmsformatrixcomputations

ThischapterpresentstwoimportantDSPtechniques,theoverlap-addmethod,andFFTconvolution.Theoverlap-addmethodisusedtobreaklongsignalsintosmallersegmentsforeasierprocessing.FFTconvolutionusestheoverlap-addmethodtogetherwiththeFastFourierTransform,allowingsignalstobeconvolvedbymultiplyingtheirfrequencyspectra.Forfilterkernelslongerthanabout64points,FFTconvolutionisfasterthanstandardconvolution,whileproducingexactlythesameresult.CHAPTERFFTConvolution18ThischapterpresentstwoimportantDSPtechniques,theoverlap-addmethod,andFFTconvolution.Theoverlap-addmethodisusedtobreaklongsignalsintosmallersegmentsforeasierprocessing.FFTconvolutionusestheoverlap-addmethodtogetherwiththeFastFourierTransform,allowingsignalstobeconvolvedbymultiplyingtheirfrequencyspectra.Forfilterkernelslongerthanabout64points,FFTconvolutionisfasterthanstandardconvolution,whileproducingexactlythesameresult.TheOverlap-AddMethodTherearemanyDSPapplicationswherealongsignalmustbefilteredinsegments.Forinstance,highfidelitydigitalaudiorequiresadatarateof……

pads2007_Decal_Editor_Drafting...,Decal_Editor_Drafting_Improvements……