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ID:28570175
大小:15.35 MB
页数:73页
时间:2018-12-11
《l波段固态发射机中1.5kw功放组件的研制》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、ABSTRACTABSTRACTDuetothedevelopmentofsemiconductortechnology,itispossibleformodernradartousesolid.statetransmitterinsomefrequency.Solid—statepoweramplifier(SSPA)playanimportantroleinsolid-statetransmitter,itisalsothecoreunitofsolid.statetransmitter.Inthisdissertationweintroducethedesi
2、gningofaL-band1.5kWsolid—statepoweramplifierwhichusedinanconvergencesolid—stateradartransmitter.nedissertationintroducesthedevelopmentofL-bandsolid·statetransmitterandpoweramplifierondomesticandabroadandbrieflyintroducethepurposeandthemainworkofthisthesis;thedissertationalsointroduces
3、somedesignparametersforSSPAandsomebasicprinciplesusedforSSPA,includingtheinput—andoutput-matchingnetworksdesign,thecombiner/dividerdesignandtheeffectofamplitudeandphasedeviationamongtheseSSPAmodulestocombiningefficiency.WemostlyintroducesthedesigningofL-band1.5kWSSPAmodule.Thetestmeth
4、odsandresultsofthemoduleWasintroducedandthetestresultsWasanalysedandcompared.neapplicationsofL—bandmid—powersolid—statetransmitterhavebeenacceleratingduetotheadvancesofthesolid.statedevices.SSPAmoduleinengineeringapplicationshasfollowingfeaturesanddemands:highreliability、wideadaptabil
5、ityandwellEMCcharacteristic.Tosolvetheseproblems,lotsofanalysisanddemonstrationhasbeendone.Forexample,equalizer’Susingimprovesthereliabilityofthecascadedpoweramplifiersandreformsthemoduleoutputpower’Sdeviation;modularizationdesignimprovesmanufactureandinterchange;suitabilitypowercombi
6、ningimprovespowercombiningefficiencyandreduceheatdesigning;reasonablelayoutandpositionimprovethemodule’SEMCandanti-jamming;themodule’SBITEmakeforfaultjudgementandsystemmaintenance.TheL-band1.5kWsolid.statepoweramplifiermodulehavebeenmanufacturedandappliednationalaerialdefenceradarsucc
7、essfully.ByOVer800hourssteadyworkingithavebeenprovedthattheSSPAmoduleandthesolid—statetransmitterarestabilizationandrelia:ble.nABSTRACTKeywords:L-band,poweramplifiermodule,transistor,solid—statetransmitterIII独创性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知,除了文中特别加以标注和致谢的地方外,论文中不包含其他人已经发
8、表或撰写过
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