资源描述：
《DSP的发展 毕业论文外文翻译.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、英文文献DSPsBacktotheFuture1W.PatrickHaysPublishedonline：23June2004SpringerScience+BusinessMediaB.V.2004AbstractOurcomplexworldischaracterizedbyrepresentation,transmission,andstorageofinformation-andinformationismostlyprocessedindigitalform.WiththeadventofDSPs(digitalsig
2、nalprocessors),engineersareabletoimplementcomplexalgorithmswithrelativeease.TodaywefindDSPsallaroundus-incars,digitalcameras,MP3andDVDplayers,modems,andsoforth.TheirwidespreaduseanddeploymentincomplexsystemshastriggeredarevolutioninDSParchitectures,whichinturnhasenab
3、ledengineerstoimplementalgorithmsofever-increasingcomplexity.ADSPprogrammertodaymustbeproficientinnotonlydigitalsignalprocessingbutalsocomputerarchitectureandsoftwareengineering.KeywordsDSP；MotorcontrolsystemTheIntel2920includedon-chip(D/A)digital/analogandA/D(analog
4、/digital)convertersbutlackedahardwaremultiplierandsoonfadedfromthemarket-AnNECprojectresultedintheNEC(jPD7720—oneofthemostsuccessfulDSPsofalltime.TheBellLabsDSP-1andNECpPD7720wereannouncedatISSCC80.DSP-1achieved5-MHzclockspeed,executing1.25-MBmultiply-accumulatespers
5、econdatfourclockcycleseach一enoughtoallowTouch-Tonereceiverfilterstoexecuteinrealtime.TheonceformidableperformancedemandsoftheTouch-Tonereceiverarenowludicrouslyeasy,butnewapplicationsinturnarosethroughoutthelast20yearstoputnewdemandsonDSPtechnology(seefigure1).Accord
6、ingtoWillStrauss,presidentandprincipalanalystatForwardConcepts,“DSPshipmentswereupahealthy24percentin2003,andweareforecastingabithighergrowthfor2004，at25percent.Longerterm,weforecasta22.6percentcompoundgrowthratethrough2()()7：Sothegamehasbeen:BoostDSPperformance,runt
7、healgorithmatanacceptablecost,andopenupanewcommercialmarket.ltisperhapstooglibtoprojectthistrendindefinitelyintothefuturejnfact,savvyanalystshaveperiodicallypredictedthedemiseoftheDSP.WillperformancerequirementsoutstriptheabilityofprogrammableDSParchitecturestokeepup
8、,thusdemandinganewapproach?orifDSPsaretomaintaintheirhistoricalgrowthcurve,whatkindsoftoolsandarchitecturesareneeded?Ultimately,the
