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

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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