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ID:3146857
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页数:21页
时间:2017-11-20
《基于fpga系统的数字信号处理适用性评估fpga、cpld、vhdl、dsp数字信号处理等类型的论文外文翻译一枚》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、一、英文原文AnAssessmentoftheSuitabilityofFPGA-BasedSystemsforuseinDigitalSignalProcessing★Tobepublishedin5thInternationalWorkshoponField-ProgrammableLogicandApplications,Oxford,England,Aug.1995.★★ThisworkwassupportedbyARPA/CSTOundercontractnumberDABT63-94-C-00
2、85underasubcontracttoNationalSemiconductor.RussellJ.PetersenandBradL.HutchingsBrighamYoungUniversity,Dept.ofElectricalandComputerEngineering,459CB,ProvoUT84602,USAAbstract.FPGAshavebeenproposedashigh-performancealternativestoDSPprocessors.Thispaperquantit
3、ativelycomparesFPGAperformanceagainstDSPprocessorsandASICsusingactualapplicationsandexistingCADtoolsanddevices.PerformancemeasureswerebasedonactualmultiplierperformancewithFPGAs,DSPprocessorsandASICs.ThisstudydemonstratesthatFPGAscanprovideanorderofmagnit
4、udebetterperformancethanDSPprocessorsandcaninmanycasesapproachorexceedASIClevelsofperformance.1IntroductionTomeettheintensivecomputationandI/OdemandsimposedbyDSPsystemsmanycustomdigitalhardwaresystemsutilizingASICshavebeendesignedandbuilt.Customhardwareso
5、lutionshavebeennecessaryduetothelowperformanceofotherapproachessuchasmicroprocessor-basedsystems,buthavethedisadvantageofinflexibilityandahighcostofdevelopment.TheDSPprocessorattemptstoovercometheinflexibilityanddevelopmentcostsofcustomhardware.TheDSPproc
6、essorprovidesflexibilitythroughsoftwareinstructiondecodingandexecutionwhileprovidinghighperformancearithmeticcomponentssuchasfastarraymultipliersandmultiplememorybankstoincreasedatathroughput.TheFPGAhasalsorecentlygeneratedinterestforuseinimplementingdigi
7、talsignalprocessingsystemsduetoitsabilitytoimplementcustomhardwaresolutionswhilestillmaintainingflexibilitythroughdevicereprogramming[2].UsingtheFPGAitishopedthatasignificant21performanceimprovementcanbeobtainedovertheDSPprocessorwithoutsacrificingsystemf
8、lexibility.ThispaperisanattempttoquantifytheabilityoftheFPGAtoprovideanacceptableperformanceimprovementovertheDSPprocessorintheareaofdigitalsignalprocessing.2MultiplicationanddigitalsignalprocessingAcoreoperationind
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