数字滤波器.pdf

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FiniteImpulseResponse(FIR)Filters

InfiniteImpulseResponse(IIR)Filters

MultirateFilters

AdaptiveFiltersDIGITALFILTERSSECTION6DIGITALFILTERSIFiniteImpulseResponse(FIR)FiltersIInfiniteImpulseResponse(IIR)FiltersIMultirateFiltersIAdaptiveFilters6.aDIGITALFILTERS6.bDIGITALFILTERSSECTION6DIGITALFILTERSWaltKesterINTRODUCTIONDigitalfilteringisoneofthemostpowerfultoolsofDSP.Apartfromtheobviousadvantagesofvirtuallyeliminatingerrorsinthefilterassociatedwithpassivecomponentfluctuationsovertimeandtemperature,opampdrift(activefilters),etc.,digitalfiltersarecapableofperformancespecificationsthatwould,atb