基于瞬态响应的某某热阻测试原理与算法分析

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1、ofstructurefunctionsandthetimeconstantspectrum.Asthedemodulationtheoryoftransientthermalresponseisrathercomplex,twokeystepsareanalyzedseparately:deconvolutionarithmeticandnetworkmodeltransferarithmetic.Themaintheoreticalformulasarederived,andpossibleimprov

2、ementisraisedaimingontheproblemofnumericalcomputation.3.Verifythedemodulationarithmeticthroughsimulation.First,theequivalentcircuitmethodisused:Athree-stageresistanceandcapacitynetworkmodelisestablishedusingthegivenparameters.Basedonthevoltageresponsefunct

3、ionofthemodel,thearithmeticintheprevioustextisusedtocalculatetheresistanceandcapacity,andtheresultsarecomparedtooriginaldata.Second,thesamplingdataofT3Sterisusedastheoriginaldata.TheADsamplingresult,whichisacquiredfromT3Ster,isusedtocalculatethetimeconstan

4、tspectrum,networkfunctionandthermalresistancefunctionmodel.TheoutcomeofthetheoreticalcalculationiscomparedtotheresultsfromT3Ster.Thetwosimulationsabovehaveallprovedtherationalityandreliabilityofthermalresistancemeasurementarithmeticbasedontransientthermalr

5、esponse.Keywords：Transient；Thermalresistance；Thermalcapacity；Deconvolution；Networkfunctionmodel；LEDClassification：TN312.8,621.3III万方数据目次摘要......................................................................................................................

6、..........I目次..............................................................................................................................IV图清单................................................................................................................

7、..........VI1引言.........................................................................................................................11.2国内测试标准................................................................................................11.2.1热阻测试国家标准

8、..............................................................................11.2.2热阻测试军用标准..............................................................................21.3国外测试标准............................