标签: arbitrary

Mostfiltershaveoneofthefourstandardfrequencyresponses:low-pass,high-pass,band-passorband-reject.Thischapterpresentsageneralmethodofdesigningdigitalfilterswithanarbitraryfrequencyresponse,tailoredtotheneedsofyourparticularapplication.DSPexcelsinthisarea,solvingproblemsthatarefarabovethecapabilitiesofanalogelectronics.Twoimportantusesofcustomfiltersarediscussedinthischapter:deconvolution,awayofrestoringsignalsthathaveundergoneanunwantedconvolution,andoptimalfiltering,theproblemofseparatingsignalswithoverlappingfrequencyspectra.ThisisDSPatitsbest.CHAPTERCustomFilters17Mostfiltershaveoneofthefourstandardfrequencyresponses:low-pass,high-pass,band-passorband-reject.Thischapterpresentsageneralmethodofdesigningdigitalfilterswithanarbitraryfrequencyresponse,tailoredtotheneedsofyourparticularapplication.DSPexcelsinthisarea,solvingproblemsthatarefarabovethecapabilitiesofanalogelectronics.Twoimportantusesofcustomfiltersarediscussedinthischapter:deconvolution,awayofrestoringsignalsthathaveundergoneanunwantedconvolution,andoptimalfiltering,theproblemofseparatingsignalswithoverlappingfrequencyspectra.ThisisDSPatitsbest.ArbitraryFrequencyResponseTheapproachusedtoderive……

摘要：线性数字电位器，可用于任意电压曲线和波形。为数字电位器的替代名称是一个“字符串”数字-模拟转换器（DAC）。测井盆是线性锅产生对数响应的应用，如音频的艺术。Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsAudioCircuitsDigitalPotentiometersGeneralEngineeringTopicsKeywords:digitalpots,potentiometer,voltagedivider,sensorconditioning,ratiometric,precisionresistor,Dec11,2008resistance,ratio,singlepowersupply,temperaturecoefficient,lowdrift,linear,log,logarithmic,arbitrarywaveformcurve,stringDAC,audioAPPLICATIONNOTE4346Pots,Pans,Logs,andLinearDigitalPotsCreateArbitraryVoltageCurvesBy:BillLaumeisterAbstract:Lineardigitalpotentiometerscanbeusedtomakearbitraryvoltagecurvesandwaveforms.Analternativenameforadigitalpotisa"string"digital-to-analogconverter(DAC).Loggingpotsistheartofmakingalinearpotproducealogarithmicresponsefora……