基于DES理論的數(shù)?；旌想娐房蓽y試性研究.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文基于DES理論的數(shù)?；旌想娐房蓽y試性研究姓名：章其波申請學(xué)位級別：碩士專業(yè)：信號與信息處理指導(dǎo)教師：魯昌華2003.5.1AbstractAbstractWiththedevelopmentofScienceandTechnology，especiallytheMicroelectronictechnologythecomplexitiesofthecircuitshaveincreased。OwingtOthe

2、analoguenatureofmanyindustrialprocessesandtheincreasinguseofmicroprocessortechniques，therehavebeen巍vastroomfortheapplicationofmixedsignal(digitalandanalogue)circuits，andtheresearchforthetestonmixedsignalcircuitbecameimmi

3、nentTheDEStheorythatisdevelopedintherecentyearsgaveasystemicmethodforthemixedsignalcircuitstestandfaultdiagnosisThispaperhasresearchedontheDEStheory’sappIicationinthetestabilityofmixedsignalcircuitonthebasisofthestudyofD

4、EStheory。Themainworksasfollow：(1)WeresearchedthemathematicsmodelofmixedsignalcircuitsbasedontheDEStheoryanditisfeasibletodealwiththefauItdiagnosisandthetestabilityofthedigitalandanalogpartsinthecircuitswithanuniformmathf

5、rame(2)Weprogrammedademo’SsoftwareonMicrosoRVisualC60forimplementingthealgorithmstOjudgethetestabilitygettheminimumtestsetandtakethefaultefficiencyofthecircuitsThesoftwaresuccessfullyrealizesthesefunctions(3)Weputuptheex

6、perimentsforthefaultsemulationonsomedigitalsignalcircuitsTheseexperimentsweremainlybasedontheCPLD／FPGAandwebuiltthetestingfaultydatabasesaccordingtothesecircuits。(4)秘趣paperputsforwardanewalgorithmbasedontheSimulatedAnnea

7、lingthoughtsfortheminimumtestsetofcircuitsThisalgorithmhastriedtoameliorate氌eweaknessesoftheformeralgorithmbasedonthegreedstrategyThenWediscusssomepartsofthisalgorithmintheoryKeywords：MixedsignalCircuRs，DiscreteEventSyst