lsi_manual_partly_chinese

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1、R&DSYSTEMUSER’SGUIDE分析仪系统用户指南LargeSignalIdentification大信号辨识ByKLIPPELGmbHDecember19,2007Copyright©2000-2010KlippelGmbHMendelssohnallee30,01309Dresden,Germanywww.klippel.deLSI-TutorialLSI指南Whatisthegoalofthistutorial?指南的目的是什么?ThistutorialmakesyoufamiliarwiththeLargeSig

2、nalIdentificationmodule.该指南将引导您熟悉LargeSignalIdentification(大信号辨识)模块。Sincethismeasurementgoesfarbeyondthewell-knownThiele-SmallParameters,valuableinformationcanbegainedbyanalyzingthedriverathighdisplacements.由于除已知的Thiele-Small参数以外，该测量满足更多的需求，因此宝贵的信息可通过在位移较大处分析扬声器单体得到。

3、Thetutorialisdividedintothreeparts:该指南分为三个部分。Partonewillexamineexistingresultsoftheexampledatabase,thatcomestogetherwiththesoftware.部分一将检验例样数据库中软件自带的已有结果。Part2willguideyouthroughyourfirstmeasurement,whichrunsalmostautomatically.部分二将带领您完成几乎是自动运行的首次测量。Part3givesvaluabl

4、ebackgroundinformationoncustomizingthemeasurementaccordingtoyourneeds.部分三将按照您的需求，给出与定制测量相关的有价值的背景信息。KLIPPELR&DSYSTEM(LSI)Tutorial1Part1:ViewingResults部分一:查看结果AthigheramplitudesloudspeakersproducesubstantialdistortionintheoutputWhathappensathighsignalgeneratedbynonli

5、nearitiesinherentinthetransducer.TheLSIallowstodisplacements?identifythesenonlinearitiesandrelatethemtophysicalmechanisms,particulardesign,materialpropertiesandassemblingtechniquesofthetransducer.在位移较大处发生了什在振幅较大处，扬声器在输出信号上产生了由电动换能器固有的非线性特么？性生成的大量失真。LSI允许辨识这些非线性特性并把它们

6、与电声换能器的物理机制，详细设计，材料性能和装配技术联系起来。Themodelusedtodescribethelargesignalbehavioriscloselyrelatedtothesmallsignalmodel:用于描述大信号行为的模型与小信号模型是密切相关的:L(x,I)2R(T)L(x,I)C(x)MRF(x,I)eVemsmsmsmvIR(x,I)2UBl(x)vBl(x)Bl(x)IThemainnonlinearitiescanbedescribedbythevariationofinductance,f

7、orcefactor,andcomplianceoverdisplacement.TheLSIcanidentifyadditionalnonlinearities(notallshownhere),andthethermalbehaviorofatransducer.Youfindamoredetaileddiscussioninthereference,andadditionalmaterialonourwebsite.主要的非线性特性通过位移方向上的电感，力因数和顺性的变化来进行描述。LSI可辨识电动换能器额外的非线性特性

8、(没有全部显示在此)和热性能。您可以在reference中找到更多的细节讨论，并在我们的网站上查看到补充资料。Fromtheexampledatabase,opentheMultimediaWooferanddouble-clicktheForcefactorB