簡(jiǎn)介：基于離散頻譜的L波段數(shù)字航空通信系統(tǒng)資源分配研究重慶大學(xué)博士學(xué)位論文學(xué)生姓名黃杰指導(dǎo)教師曾孝平教授專(zhuān)業(yè)通信與信息系統(tǒng)學(xué)科門(mén)類(lèi)工學(xué)重慶大學(xué)通信工程學(xué)院二O一七年四月STUDYONRESOURCEALLOCATIONINNONCONTINUOUSSPECTRUMFLBDIGITALAERONAUTICALCOMMUNICATIONSYSTEMATHESISSUBMITTEDTOCHONGQINGUNIVERSITYINPARTIALFULFILLMENTOFTHEREQUIREMENTFTHEDOCT’SDEGREEOFENGINEERINGBYHUANGJIESUPERVISEDBYPROFZENGXIAOPINGSPECIALTYCOMMUNICATIONINFMATIONSYSTEMCOLLEGEOFCOMMUNICATIONENGINEERINGOFCHONGQINGUNIVERSITYCHONGQINGCHINAAPRIL2017

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文航空公司飛機(jī)恢復(fù)系統(tǒng)問(wèn)題初步研究姓名柏強(qiáng)申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)交通運(yùn)輸規(guī)劃與管理指導(dǎo)教師胡明華20060101航空公司飛機(jī)恢復(fù)問(wèn)題初步研究IIABSTRACTAIRLINESARECONSTANTLYFACEDWITHDISRUPTIONPROBLEMSANDCANNOTEXECUTETHEIRSCHEDULESASPLANNEDBECAUSEOFSEVEREWEATHERPATTERNS,UNEXPECTEDAIRCRAFTMECHANICALFAILURES,CONGESTIONATAIRPORTETCWHENADISRUPTIONOCCURS,THEAIRLINEHAVETORESCHEDULEFLIGHTLEGS,NEEDAPOLICYTODECIDEWHICHFLIGHTLEGSNEEDTOBEDELAYEDANDWHICHONESNEEDTOBECANCELLED,ANDREROUTETHEAIRCRAFTS,CREWS,ANDPASSENGERSTHISPAPERSUMMARIZEDTHESOLUTIONSCURRENTLYADOPTEDBYAIRLINESUNDERTHECIRCUMSTANCESOFINTERRUPTIONSAFTERFULLYMASTERINGTHECOREBUSINESSOFTHEMOSTIMPORTANTDEPARTMENTOFAIRLINESAOCAFTERWARDS,SEVERALEXISTINGMODELSOFAIRLINESRECOVERYWEREREVIEWEDANDTHEAIRLINESINTEGRATEDRECOVERYMODELWASINTRODUCEDINDETAILSTHEAIRCRAFTRECOVERYMODELWITHTHEINTENTIONOFMINIMIZINGAIRLINESOPERATINGCOSTWASRESEARCHEDINDEPTH,INCLUDINGESTABLISHMENTOFTHEMODELANDTHECORRESPONDINGALGORITHMTHESOLUTIONTOTHEAIRCRAFTRECOVERYPROBLEMWASPROPOSEDANDAHEURISTICALGORITHMWASPUTFORWARDTOENGAGECERTAINAIRCRAFTSINTHEREROUTINGCALCULATIONACCORDINGTOTHEDIFFERENTKINDSOFINTERRUPTIONSFINALLY,BASEDONTHEABOVEAIRCRAFTRECOVERYSOLUTION,ADECISIONSUPPORTTOOLOFAIRCRAFTRECOVERYWASDEVELOPEDBYUTILIZINGOFCOMPUTERDEVELOPINGTOOLS,WHICHONTHEOTHERHANDVERIFIEDTHEAIRCRAFTRECOVERYMODELKEYWORDSAIRLINEIRREGULAROPERATION,AIRLINERECOVERYPROBLEM,AIRCRAFTRECOVERY,OPTIMIZATIONMODEL

簡(jiǎn)介：中圖分類(lèi)號(hào)V214論文編號(hào)102870113S049學(xué)科分類(lèi)號(hào)080104碩士學(xué)位論文航空結(jié)構(gòu)關(guān)鍵部位損傷識(shí)別方法研究研究生姓名金培學(xué)科、專(zhuān)業(yè)工程力學(xué)研究方向結(jié)構(gòu)健康監(jiān)測(cè)指導(dǎo)教師周麗教授南京航空航天大學(xué)研究生院航空宇航學(xué)院二○一三年三月NANJINGUNIVERSITYOFAERONAUTICSANDASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFAEROSPACEENGINEERINGRESEARCHONDAMAGEDETECTIONMETHODSFORAEROSPACESTRUCTURALHOTSPOTSATHESISINENGINEERINGMECHANICSBYJINPEIADVISEDBYPROFZHOULISUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFORTHEDEGREEOFMASTEROFENGINEERINGDECEMBER,2012

簡(jiǎn)介：分類(lèi)弓V23題目學(xué)佼代碼10699研究生學(xué)號(hào)046076382西北工業(yè)大學(xué)碩士學(xué)位論文學(xué)位研究生作者趔D態(tài)學(xué)科專(zhuān)業(yè)控劍堡途皇控劍工猩指導(dǎo)教師楚工2007年3月西北工業(yè)大學(xué)碩士學(xué)位論文英文摘要ABSTRACTTHEHI咖DUTY觚LCOOLEDOILTESTBEDISANIMPONARLTEQUIPMENTFORTLI舟D啊MELCOOLEDOILCOOLERTOBEIILSPECTEDANDRESEARCHEDINORDERTOI11SDECTCOOLERMORCQUICKLYAILDSAFCLY，ANDALSOIMPROVCCOQORATION’SECONOMICBENE矗TS，N，SNECESSAN，TODESIGNMELLI曲DUTY如E1COOLEDOILTESTBEDTILATCON打01WITHTHCCOM口UTERFIRSTLY’THISPAPERIN仃ODUCESMEDEVELOPMENTOFCOMPUTERCON仃OLTHEORY徹DT11ETESTINGPROCESSOFLLIGHDMY如ELCOOLEDOILCOOLERACCORDINGTOTHEREQUESTFORTESTING，MESCHEMEOFTESTBEDISPRESENTSECONDLY，BASEDONTHE鋤LYSISOFSYSTEM’SJ1ARD啪RE，NLEP印ER丘NISHEDT王LEDESIGLLOFTHISSYSTEM’SHARD呲AILDAISOSEIEC倒APP跏CUSTHJRDLY，HOWTODES咖111IS螂BED’SSORWAREARCINTRODUCEDFINALLY，APIDCONTROLLERFORTEMPERATUREISDESIGNED觚DSIMUIATEDASTILDYONYSTEMCOMMISSIONINGISPRESEMEDATJASTIN協(xié)EANICLETHEPRACTICALSHOWSTHATTHESYSTCMDESIGNISFCASIBLEAILDREACHESTTLEREQUIREMENTSPRESET【KEYWORD】HIGHDUTY舭LCOOLEDOILC00IERVISUALB∞ICTESLBEDCOMPUTERC0NTROLDALAB船EN

簡(jiǎn)介：西北工業(yè)大學(xué)碩士學(xué)位論文光纖通道在航空計(jì)算領(lǐng)域的研究和應(yīng)用姓名宋少峰申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)計(jì)算機(jī)科學(xué)與技術(shù)指導(dǎo)教師張延園20070301ABSTRACTW汕T11EDEVELOPMENTOFAVIOTRONICS，WENEEDHI曲ERDATA一柵1SMITSPEEDINAYIONICSCOMPUTEFIELDATT11ES鋤ETIME，AGRCATDEALDATASHOLLLDBETRANSMINEDAMONGONBOARDELECTRONICSEQUIPMENTINCOMPLEXNETWORKENVIRONMENT；BOWEVER，TRADITIONALONBOARDNETWORKSYSTEMCAILNOTAFRORDTHATNEWMATERIALANDPROTOCOLARENEEDEDDATACANBCT啪SMITCEDAT齜SPEEDOFGB№INFIBRE礬ATISMORE，F(xiàn)IBRCHASTHEABIL畸OFANTIJ鋤MINGA11DBITEHDRRATELLLLDER10叫2，W11ICHPROVIDESHI曲RELIABILITY10WLATENCY，“GHISPEEDCOMMUNICATIONSOLUTIONT11ISPAPERIN打ODUCESTHEDEVELOPMENTHISTORYOFAVIOILICSNE柳OTI【INGTECLLILOLOGY，∞SEARCHESFIBRECHANNELTECHNOLOGY’DISCUSSESUPPERM印PINGPROTOCOLOFFIBRECHANNELIN耐ONICSENVIROMENT，ANDPROPOSESAILIMPLEMENTEDMC也ODOFFCLP助RECHANNEL1IGHT、ⅣEIGHTPMTOC01BECAUSEOFTHEREQUIREMEMFORHI曲RELIABILI饑LOWLATENCYANDHI曲SPEEDINAVIONJCSENVIRONMENT，WESIMPIIFIEDSCSICO咖ANDSA11DREDUCETHEHEADEROFDATA矗跏ETHETRAILSMITSPEEDISIINPROVEDTHEN，THEPAPERPROPOSEST11EDESIGLLANDHPLEMEMAT王ONOFTASKN1卸AG鋤EMWEDESIGNTLLREEQUEUESTOMANAGEDI臟RCNTTASKS，W11ICHWILLENSURCEVERYTASK1111DERCONTR01PRIORITYMECHANISMANDMILLISECONDOVEMMESYSTEMARCADOPTEDTOENSURERCALTIⅡLEP髓FBRNLANCEWEUSEDI恐REMPRIORITIESTODIS廿NGUISHTHEIINPORTANCEOFDI彘RENTDATA，AND“CTOVENIMESYSTEMTOENSLLRETASKSTOBEFINISHEDINSPECIFICALLYPERIODMEALL、，HILE，MTLLTISTATECHANNEL，INTE舒ATEDS詛1【ETRANSITIONPLALLATLDSYNCHRONOUS／ASYNCHRONOUSMODELAREDESI911EDTOIMPROVERCLIABILI可ANDNEXIBILI夠FINALLY，WETESTTHESYSTEM’SRELIA_BILITYANDCOMMUNICATIONPERFBRMANCEARERALONGTIMETEST，TLLERESULTSHOWSTLLATMESYSTEMMEETSRCQLLIREMENTSOFAVIONICSENVIM工LIILENTBO血INREALTIMEANDRELIABILITYFCLPSYSTEMISIMPORTAMTESEARCHNEXTGENERATIONA、，IONICSCOMMUNICATIONSYSTEMKEYWORDSAVIONICS，F(xiàn)C，F(xiàn)CLP，EMBEDDED，REALTIME，RELIABILITYII

簡(jiǎn)介：匠兩L⑧目MR镕一M★天洋大尊TIANJLNUNVERSITY碩士學(xué)位論文學(xué)科專(zhuān)業(yè)絲蘭王莖作者姓名型盍擅指導(dǎo)教師苤擔(dān)盎塾撞天津大學(xué)研究生院2006年1月ABSTRACTCFITICFLTEMPERATURESANDPRESSURESOFFUELSAREIMPORTANTPARAMETERSFURRATINGOFMERITWHICHDEFINETHEPHASEBEHAVIORS，PERFORMANCEANDTEMPERATURERANGEOFFUELSAPPLIEDINTHEAIRPLANESANDHYPERSONICAIRCRAFTSINADDITIONTHEYAREVERYUSEFULINTHEINVESTIGATIONOFTHETHERMALDEGRADATIONORAGGREGATIONANDCARBONDEPOSITUNDERSUBSUPERERITICALCONDITIONSOFFUELSITISGENERALLYDIFFICULTTOMEASURETHECRITICALDATAOFFUELSDUETOITSCOMPLEXCOMPOSITIONUNSTABLEFEATURESANDHIGHERCRITICALVALUESINTHISTHESIS，VARIOUSEXPERIMENTALMETHODSANDTHEORYTODETERMINECRITICALPROPERTIESOFSUBSTANCEWEREINTRODUCEDONELOWRESIDENCETIMEFLOWEQUIPMENTFORTHEMEAGUREMEMOFTHECRITICALTEMPERATURESANDPRESSURESOFTHERMALUNSTABLEFLUIDSWAGDESIGNEDITIMPROVEDTHEORGMALMETHODSANDENLARGEDTHERANGEOFTEMPERATURESANDPRESSURESMEAGUREZL_，WITLLTHETESTEDTEMPERATUREAS0500。CANDTESTEXLPRESSURE雒05MPNPENTANE、NHEXANE、CYCLOHEXANEANDNDECANEWEREUSED嬲STANDARDREAGENTSTOCHEEKTHERELIABILITYOFTHEAPPARATUSTHEMAXIMUMDEVIATIONOFTEMPERATUREANDPRESSURESARE028。CANDO006MPARESPECTIVELYTHESERESULTSFULLYPROVETHATTHEAPPARATUSISRELIABLETODETERMINETHECRITICALDATAOFTHERMALUNSTABLEFLMDSTHECRITICALTEMPERATURESANDPRESSURESOFTWOENDOTHERMICHYDROCARBONFUELSRP3ANDSIMULATEJP7，ONEHIGLLENERGYFUELSJP10ANDMIXTURESOFJPLOWI也METHYLEYCLOHEXANEMC聊WEREDETERMINEDFORTHEFIRSTTIMEINADDITIONTHECRITICALDATAOFENDOTHERMIEAVIATIONFUELSOFRP3ANDSIMULATEJP7WEREESTIMATEDUSING6METHODSTHETEMPERATUREDEVIATIONWAGLESSTHAN6630C，ANDTHEPRESSUREDEVIATIONSAMONGESTIMATEDMETHODSHOWEVERCALLBEASMUCH硒O828MPATHEMAXILNUNLRELATIVEERTOROFTEMPERATURESANDPRESSURESWERE167％AND384％，RESPECTIVELYTHEAPIMETHODS，ANDRIAZIANDDANBERTCORRELATIONARERELATIVELYRELIABLEANEWMETHODTODETERMINETHECRITICALDATAUSINGHIGHPRESSUREDIFFERENTIALSCANNINGCALORIMETRYWAGPROPOSED，WHICHCANINFERREDTHECRITICALTEMPERATURESANDPRESSURESFROMVARIOUSDSCCURVESUNDERDIFFERENCESMEASURINGPRESSURETHECRITICALDATAOFNPENTANEANDJP10WEREOBTAINEDFROMTHISMETHOD，THERESULTSWERE19760CAND337MPA4238。CAND360MP丑RESPECTIVELYTHERESULTSWEREINGOODAGREEMEMWITHTHEPUBLISHEDDATAINDICATINGTHATTHISMETHODISRELIABLEINPRACTICAL

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)混疊振動(dòng)信號(hào)的盲源分離研究姓名陽(yáng)平申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)航空宇航推進(jìn)理論與工程指導(dǎo)教師李舜酩20080101航空發(fā)動(dòng)機(jī)混疊振動(dòng)信號(hào)的盲源分離研究IIABSTRACTMODERNSIGNALPROCESSINGMETHODSCAN’TSEPARATETHECOMPLICATEDMULTIMIXEDVIBRATIONSIGNALSEFFECTIVELYWITHOUTANYPREINFMATIONASONEOFTHEHOTTESTMOSTEXCITINGTOPICSINTHEFIELDSOFSIGNALPROCESSINGATPRESENTBLINDSOURCESEPATIONBSSISPAIEDATTENTIONFSOLVINGTHISPROBLEMBUTTHERESEARCHESAREMOSTLYABOUTTHETHEYSIMULATIONLITTLEININTHEREALSIGNALAPPLICATIONTHEMAJWKOFTHISPAPERISTORESEARCHTHEEXISTINGMETHODSOFBSSTHENGETSOMEIMPROVEDMETHODSFITTEDFSEPARATINGTHEVIBRATIONSIGNALSWHICHWILLPROVIDEANEWWAYFTHESTATESTIRINGDIAGNOSISOFAIRCRAFTENGINESTHESPECIFICWKASFLOWERING1ANALYSEDEXPLAINEDTHEINDEPENDENTCOMPONENTANALYSISICATHEYALGITHMINDETAILGAVETHECLASSOFCEFUNCTIONAWAYOFITSION2PROPOSEDANIMPROVEDALGITHMCALLEDICAWITHREFERENCEICARWHICHISCOMBINEDWITHACTERSOFTHEVIBRATIONSIGNALTOPURSUITTHEEXPECTEDONETHROUGHSIMULATIONANALYSISTHISTECHNIQUEHASNOTONLYMESEPARATINGPRECISIONBUTALSOFASTERCONVERGENCETHANTRADITIONALMETHODS3ANALYSEDSTSOFVIBRATIONEXPERIMENTSUSINGBSSACHIEVEDSOMEAVAILABLECONCLUSIONSADAPTIVEMETHODSWHICHWASSUCCESSFULTOCONFIRMTHEVALIDITYOFBSSAPPLIEDTOSEPARATINGVIBRATIONSIGNAL4ABSSPACKAGEUSINGMATLABVCSOFTWARESWASDESIGNEDBASEDONTHETHEYOFSETTINGPARAMETERSTHISPACKAGEMADETHEOPERATIONOFBSSSIMULATIONSAPPLICATIONSCONVENIENTLYUNDERAGRAPHICALINTERFACESCONTROLKEYWDSBLINDSOURCESEPARATIONBSSVIBRATIONSIGNALCEFUNCTIONINDEPENDENTCOMPONENTANALYSISWITHREFERENCEICARBSSPACKAGE

簡(jiǎn)介：分類(lèi)號(hào)密級(jí)UDC編號(hào)專(zhuān)業(yè)碩士學(xué)位論文（工程碩士）航空用可快拆蜂窩夾層艙門(mén)強(qiáng)度等效模型研究碩士研究生劉祥指導(dǎo)教師陳東良副教授企業(yè)導(dǎo)師季寶鋒工程師工程領(lǐng)域機(jī)械工程論文主審人王茁教授哈爾濱工程大學(xué)2014年5月分類(lèi)號(hào)密級(jí)UDC編號(hào)專(zhuān)業(yè)碩士學(xué)位論文（工程碩士）航空用可快拆蜂窩夾層艙門(mén)強(qiáng)度等效模型研究碩士研究生碩士研究生劉祥指導(dǎo)教師指導(dǎo)教師陳東良副教授學(xué)位級(jí)別學(xué)位級(jí)別工程碩士工程領(lǐng)域工程領(lǐng)域機(jī)械工程所在單位所在單位機(jī)電工程學(xué)院論文提交日期論文提交日期2014年5月論文答辯日期論文答辯日期2014年6月學(xué)位授予單位學(xué)位授予單位哈爾濱工程大學(xué)

簡(jiǎn)介：上海交通大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)變比熱容熱力計(jì)算和系統(tǒng)級(jí)仿真研究姓名韋福申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)航空宇航推進(jìn)理論與工程指導(dǎo)教師杜朝輝20060201上海交通大學(xué)碩士論文摘要II和組分燃?xì)獾膹?fù)雜函數(shù)其中壓力對(duì)比熱容的影響很小氣體經(jīng)過(guò)燃燒室和燃油混合燃燒后生成的燃?xì)庥啥喾N不同性質(zhì)的物質(zhì)組成而且隨著余氣系數(shù)不同其成分及比例不同物性也不一樣如果都考慮每種氣體的比熱容就會(huì)給計(jì)算帶來(lái)困難為了計(jì)算方便將系統(tǒng)的工質(zhì)分為空氣和純?nèi)細(xì)庥扇剂吓c理論空氣量完全燃燒而成的的混合分別考慮他們的比熱容如果是燃燒室前的模塊比如進(jìn)氣道壓氣機(jī)等可把其工質(zhì)看成燃?xì)鉃榱愕幕旌蠚怏w純空氣一般的比熱容是按照空氣和純?nèi)細(xì)獾谋葻崛莞鶕?jù)質(zhì)量分?jǐn)?shù)關(guān)系線(xiàn)性組合而成的然后對(duì)每一模塊建立變比熱容的數(shù)學(xué)計(jì)算模型同時(shí)以單軸渦輪噴氣式發(fā)動(dòng)機(jī)為算例進(jìn)行計(jì)算仿真跟用軟件GASTURB和定比熱計(jì)算的結(jié)果相比較證明變比熱的計(jì)算結(jié)果合理性和更接近物理實(shí)際以及有推廣應(yīng)用的價(jià)值最后利用已有的模塊庫(kù)對(duì)常見(jiàn)的發(fā)動(dòng)機(jī)系統(tǒng)比如渦輪噴氣渦輪軸渦輪螺漿渦輪風(fēng)扇等進(jìn)行系統(tǒng)建模仿真并對(duì)它們進(jìn)行設(shè)計(jì)點(diǎn)和非設(shè)計(jì)點(diǎn)的熱力計(jì)算非設(shè)計(jì)點(diǎn)仿真計(jì)算包括速度特性高度特性和節(jié)流特性的計(jì)算還有過(guò)渡工作狀態(tài)比如啟動(dòng)加速減速接通加力與斷開(kāi)加力等仿真從計(jì)算結(jié)果的分析和與GASTURB的計(jì)算相比較中可以看出利用MODELICADYMOLA進(jìn)行建模仿真的方法具有有效性通用性合理性可行性和便捷性等關(guān)鍵詞航空發(fā)動(dòng)機(jī)模塊化建模變比熱容仿真DYMOLAMODELICA

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文XRF和顯微圖像技術(shù)在航空發(fā)動(dòng)機(jī)智能監(jiān)測(cè)中的綜合應(yīng)用姓名羅鋒申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)載運(yùn)工具運(yùn)用工程指導(dǎo)教師李艷軍20090101XRF和顯微圖像技術(shù)在航空發(fā)動(dòng)機(jī)智能監(jiān)測(cè)中的綜合應(yīng)用IIABSTRACTAEROENGINESUPPLIESTHEMAJORMOTIVEPOWERTOTHEMODERNAIRCRAFT,SOTHESTATUSINSPECTIONOFTHEAEROENGINEOPERATIONPLAYSUNDOUBTEDLYANIMPORTANTROLEACCORDINGTODIFFERENTOBJECTS,THECONCLUSIONOFFUSEINGSEVERALDIFFERENTMONITORINGMEANSISMOREACCURATELYTHISPAPERBEASEDONXRFXRAYFLUORESCENCETECHNOLOGYANDINTRODUCINGARTIFICIALNEURALNETWORK,GRAYSYSTEMTHEORY,PROBABILITYSTATISTICS,DEMPSTERSHAFEREVIDENTIALTHEORYANDOTHERINTELLIGENTCALCULATION，INORDERTODEVELOPAINTELLIGENTMONITORINGSYSTEMXRFXRAYFLUORESCENCETECHNOLOGY,USINGISOTOPERADIOACTIVESOURCESTOERADIATEMATERIALSWHICHTOBEMEASURED,PRODUCESENERGYSPECTRUMTHROUGHASERIESOFINSTALLATIONS,WHICHISUSEDTODETERMINETHEELEMENTALMATERIALCATEGORIESMICROSCOPICIMAGETECHNIQUEWHICHWITHTHEFUNCTIONSOFPARTICLECOUNTERANDFERROGRAPH,ACHIEVEDTHEDIAGNOSISONTHEAEROENGINEWEARFAULTSBYUSEINGMCROSCOPICOPTICALIMAGINGSYSTEMANDDIGITALIMAGEPROCESSINGMETHODTHERESEARCHWORKMAINLYINCLUDESTHEFOLLOWINGTHREEASPECTSFIRSTLY,PROCESSEDXRFENERGYSPECTRUMANDOUTPUTTEDTHEELEMENTCONCENTRATIONSRESEARCHEDTHEMETHORDOFCALCULATINGTHETHRESHOLDVALUEOFTHECONCENTRATIONOFTHEWEARDEBRISANDFORECASTEDTHEWEARFAULTBYGREYPREDICTIONSECONDLY,BASEDONTHENUMBERANDPARAMETERSOFWEARDEBRIS,FUSINGTHERADIALBASEDFUNCTIONRBFNEURALNETWORK,BACKPROPAGATIONBPNEURALNETWORKANDGREYRELATIONALANALYSISMETHODS,IMPROVINGTHEACCURACYRATEOFDEBRISAUTORECOGNITIONBASEDONTHECOLLECTEDINFORMATIONOFTHEDEBRISCONFIGURATIONCHARACTERISTICSANDCONDUCTINGTHEDIAGNOSISONTHEAEROENGINEWEARFAULTSACCORDINGTOTHERECOGNITIONFINALLY,ASYNTHETICINTELLIGENTDIAGNOSISMODELBYDATAFUSIONFAULTDIAGNOSISMETHODBASEDONABOVEDIAGNOSISMETHODWASPUTFORWARD,ANINTELLIGENTMONITORINGSOFTWARESYSTEMOFAEROENGINEISDEVELOPEDBASEDONTHEABOVERESEARCHKEYWORDSAEROENGINE,WEAR,XRF,DEBRISANALYSIS,INFORMATIONFUSION,INTELLIGENTANALYSIS

簡(jiǎn)介：分類(lèi)號(hào)UDCY1043656學(xué)位論文題目航空發(fā)動(dòng)機(jī)主燃燒室CFD的工程適用性研究研究生姓名于芳學(xué)科專(zhuān)業(yè)名稱(chēng)航空宇航推進(jìn)理論與工程研究方向航空發(fā)動(dòng)機(jī)燃燒設(shè)計(jì)與分析技術(shù)申請(qǐng)學(xué)位碩士指導(dǎo)教師姓名徐讓書(shū)指導(dǎo)教師職稱(chēng)教授指導(dǎo)教師單位沈陽(yáng)航空工業(yè)學(xué)院論文提交日期2007年01月LO日論文答辯日期2007年01月20日學(xué)位授予日期2007年月日答辯委員會(huì)主席綴教授／評(píng)閱人承勰睇嚏助弓FC宕濃教瞧沈陽(yáng)航空工業(yè)學(xué)院2007年1月沈陽(yáng)航空工業(yè)學(xué)院頓十學(xué)位淪文ABSTRAETENGINEERINGAPPLICABILITYOFAEROENGINECOMBUSTORCFDHASBEENRESEARCHEDANDVERIFIEDWITHACERTAINENGINECOMBUSTORASTHEPROTOTYPETHEGOALISTOVERIFYANDVALIDATETHEENGINEERINGAPPLICABILITYOFNUMERICALCALCULATIONMETHODANDVARIOUSPHYSICALMODEISINTHEAEROENGINECOMBUSTORCFDTHISPAPERBRIEFLYDESCRIBESTHESTATUSANDDEVELOPMENTOFCOMBUSTORCFDENGINEERINGAPPLICABILITYWITHDEEPLYINVESTIGATIONATHOMEANDABROADTHEWORKPROGRESSOFTHEAEROENGINECOMBUSTORANDTHEORYOFMULTIDISCIPLINARYCFDISGIVENINDETAIL，ANDTHENTHERESEARCHPROJECTISPUTFORWORDANDNUMERICALMODELSAREBUILTTHESOLUTIONDOMAINOFTHEPROBLEMISDELIMITEDANDSIMPLIFIEDINTHESIMULATION，F(xiàn)ILMCOOLINGHOLEROWSISSUBSTITUTEDWITHSLOTSFILLEDWITHPOROUSMEDIATOSIMPLIFYTHEGEOMETRYOFTHECOMBUSTOR；THESOLUTIONDOMAINISMESHEDWITHMANUALHEXAHEDRONCOREMETHODTHESIMULATIONCHOOSESREAL拓ABLEKETURBULENCEMODEL，PRESSURESWIRLATOMIZERMODE、ANDNONPREMIXEDCOMBUSTIONMODE、TOSIMULATETHETURBULENTFLOW，F(xiàn)UELSPRAYANDTURBULENTCOMBUSTION；THERELATIONSOFMATERIALTHERMOLPROPERTIESWITLLTEMPERATUREAREFITTEDUSINGATEMPERATUREDEPENDENTFUNCTIONTHEGOVERNINGEQUATIONSARESOLVEDUSINGCOMMERCIALCFDSOFTWAREONAHIGHPERFORMANCECOMPUTERCLUSTERHPCCWITHPARALLELPROCESSINGANDHIGHORDERDESCRETIZATIONSCHEME，THENUMERICALSOLUTIONOFFLOW，F(xiàn)UELSPRAYANDTOWPHASEFLOWANDCOMBUSTIONINTHECOMBUSTORHAVEBEENOBTAINEDTHEENGINEERINGAPPLICABILITYOFTHEAEROENGINCCOMBUSTORCFDISDISCUSSEDBYANALYZINGTHESOLUTIONANDCOMPARINGWITHEXPERIMENTALDATATHERESULTSINDICATETHATTHECALCULATIONISREASONABLEANDSATISFIESTHEREQUIREMENTOFENGINEERINGTHISPAPERVALIDATESTHEENGINEERINGAPPLICABILITYOFTHECOMBUSTORNUMERICALSIMULATIONANDALSOPOINTSOUTTHEPROBLEMOFTHECOMBUSTORMODELTHATNEEDSTOBEIMPROVED，THECONCLUSIONISMEANINGFULFORCOMBUSTORDESIGNANDRESEARCHKEYWORDSCFD；AIROENGINECOMBUSTOR；ENGINEERINGAPPLICABILITY；SPRAY；COMBUSTION

簡(jiǎn)介：中國(guó)民用航空學(xué)院碩士學(xué)位論文多航空器沖突檢測(cè)與優(yōu)化解脫研究姓名劉煜堃申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)交通運(yùn)輸規(guī)劃與管理指導(dǎo)教師徐肖豪聶潤(rùn)兔20060426

簡(jiǎn)介：天津大學(xué)碩士學(xué)位論文基于航空照相槍的飛機(jī)姿態(tài)測(cè)量姓名汪偉申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)測(cè)試計(jì)量技術(shù)及儀器指導(dǎo)教師王向軍20070101ABSTRACTAIRBORNEFIRECONTROLCAMERAGUNISAKINDOFPHOTOGRAPHICANDRECORDINGEQUIPMENTADOPTEDGENERALLYONTHEFIGHTERPLANEITISOFTENINSTALLEDONTHEAIRFOIL，AIRCRAFTNOSEANDCOCKPITWHENFIREBUTTONISPRESSED，CAMERAGUNTAKESPHOTOSOFTARGETALONEORTOGETHERWITHGUNSYSTEMTHEEFFECTOFTRAININGORCOMBATCANBECHECKEDBYWHATCAMERAGUNSHOTATPRESENTTRADITIONALFILMCAMERAGUNHASBEENMOSTWIDELYUSEDONTHEFIGHTERPLANEFILMCAMERAGUNCANNOTSATISFYTHEFLIGHTTRAININGPURPOSEASARESULTOFSOMEDISADVANTAGESOFFILM，SUCHASHIGHCOSTLOWACCURACYANDWHICHISHARDTOSAVETHEIMAGEWHICHISCOLLECTEDBYCAMERAGUNSHOULDBEINTERPRETEDANDANALYZEDWHENTHEFLIGHTTRAININGISFINISHEDTHEREARETWOKINDSOFINTERPRETATIONMETHODBYUSINGFILMCAMERAGUNWHENTHEFLIGHTTRAININGISFINISHEDONEISEMPIRICALINTERPRETATION，THEOTHERISMANUALINTERPRETATIONEMPIRICALINTERPRETATIONCALLWORKEFFECTIVELYWHENTHESHOOTINGDISTANCEISSHORTANDAIRMANMUSTHAVERICHEXPERIENCECOMPAREDWITHTHEEMPIRICALINTERPRETATIONMANUALINTERPRETATIONISOFSOMEACCURACYBUTTHISMETHODISCOMPLEXWHICHNEEDADJUSTMAGNIFICATIONOFIMAGEANDSELECTDIFFERENTINTERPRETATIONACCORDINGTODIFFERENTFIREKINDSITISNECESSARYTOIMPROVETHETRADITIONALFILMCAMERAGUNANDINTERPRETATIONMETHODWITHTHEIMPROVEMENTOFARMYEQUIPMENTANDTHEPROGRESSOFTRAININGREQUIREMENTSTHISPAPERUSESDIGITALEQUIPMENTTORECORDFIRINGEFFECTTHEDESIGNWHICHISCOMPOSEDOFCMOSIMAGINGSENSORUSINGFORIMAGINGCHIP，HIGHCAPACITYFLASHUSINGFORDATAMEMORYANDCPLDUSINGFORCONTROLUNITCANREPLACEFILMCAMERAGUNUSBDATASWITCHISDESIGNEDINORDERTOTRANSFERDATAWHICHISCOLLECTEDBYDIGITALCAMERAGUNTOPCATTITUDEANGLECANBECALCULATEDBYIMAGEANALYSISANDSPECIFICALGORITHMFIRSTOFALL，ASERIESOFIMAGESPREPROCESSINGTECHNIQUESWASTAKENTOEXTRACTTHEPRECISEEDGEOFTARGETIMAGETHEFOURCHARACTERISTICPOINTSOFTHEAIRCRAFTAREEXTRACTEDAFTERIDENTIFYINGTARGETPROFILEANDTHEKEYPOINTCANALSOBEOBTAINEDTHEMEASUREMENTPRINCIPLESANDMETHODOFAIRCRAFTATTITUDEANGLEBASEDONASINGLEIMAGEPLANEISRESEARCHEDBYUSINGPINHOLEPROJECTIONMODELBASEDONTHEKNOWNPARAMETERSINFORMATIONOFTHEAIRCRAFTANDOPTICALSYSTEMSINFORMATION，AIRCRAFT

簡(jiǎn)介：沈陽(yáng)航空工業(yè)學(xué)院碩士學(xué)位論文噪聲載荷作用下航空薄壁殼體的隨機(jī)振動(dòng)響應(yīng)姓名廖海濤申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)安全技術(shù)及工程指導(dǎo)教師王克明20070201沈陽(yáng)航空工業(yè)學(xué)院碩士學(xué)位論文ABSTRACTTHISPAPERSTUDIESTHERESPONSEOFTHINSHELLSTRUCTURETOHIGHLEVEL．WIDEFREQUENCYBANDRANDOMNOISEEXCITATION,WHICHISTHEBASISFORANALYZINGTHESTRUCTURESONICFATIGUEPROBLEM．THENUMERICALCALCULATIONMETHODOFTHESTRUCTURESTRESSRESPONSETORANDOMNOISEEXCITATIONISMAINLYSTUDIEDANDNUMERICALSIMULATIONISPERFORMEDFORACORRUGATEDCYLINDERSHELL．THEVIBRATIONRESPONSEOFTHEELASTICSHELLSTRUCTUREEXCITEDBYTHEACOUSTICLOADSIS，INFACT,AFLUIDSTRUCTURECOUPLINGPROBLEM．INORDERTODEALWITHTHEFLUIDSTRUCTURECOUPLINGPROBLEM，THERESPONSEOFTHESTRUCTUREISOBTAINEDBYFEMANDTHENEARFIELDNOISEISCOMPUTEDBYBEM．THISPAPERFIRSTCALCULATESTHEFREQUENCYDOMAINCOMPLEXDISPLACEMENTRESPONSESOFATHINSHELLEXCITEDBYACOUSTICLOADSUSINGTHEACOUSTICANALYSISSOFTWARESYSNOISETHATPROVIDESTHEFUNCTIONTOANALYZEFLUIDSOLIDCOUPLINGPROBLEMS．THENTHECOMPLEXDISPLACEMENTRESPONSESINFREQUENCYDOMAINALETRANSMITTEDINTOANSYSANDTRANSFOMAEDINTOTIMEDOMAINDISPLACEMENTDATABYⅡ下T．FINALLY,THEVIBRATIONSTRESSRESPONSESTOACOUSTICEXCITATIONSOFTHETHINSHELLARECALCULATEDBASEDONTHETIMEDOMAINDISPLACEMENTRESPONSES．THENUMERICALMETHODBASEDONSEAISSTUDIEDFORRESPONSECALCULATIONOFTHINSHELLSUBJECTEDTOACOUSTICEXCITATION．ASEAMODELISESTABLISHEDANDTHECOUPLINGFACTORSAMONGSUBSYSTEMSANDMODALDENSITYOFTHESUBSYSTEMSWHICHARENECESSARYFORTHEANALYSISARECALCULATEDBASED011THEPARAMETERSGIVEN．THESUBSYSTEMSDYNAMICRESPONSEUNDERSOMEACOUSTICFORCESISANALYZEDBYAUTOSEASOFTWARE，ANDTHENTHERLN8STRESSESOFTHESTRUCTUREARECALCULATED．THEANALYSISMETHODDEVELOPEDINTHISPAPERFORTHINSHELLSTRUCTURERESPONSETORANDOMNOISEEXCITATIONISOFREFERENCEVALUEFORANALYZINGSONICFATIGUEPROBLEMSANDIMPROVINGDYNAMICSTRENGTHOFTHINSHELLSTRUCTURES．KEYWORDSTHINSHELL；ACOUSTICLOAD；VIBRATIONRESPONSE；FEM／BEM；SEA

簡(jiǎn)介：中圖分類(lèi)號(hào)V2337論文編號(hào)102870216S114學(xué)科分類(lèi)號(hào)080202碩士學(xué)位論文航空多電發(fā)動(dòng)機(jī)DCDC變換器數(shù)字化控制研究研究生姓名盧彬彬?qū)W科、專(zhuān)業(yè)航空宇航推進(jìn)理論與工程研究方向系統(tǒng)控制與仿真指導(dǎo)教師肖玲斐副教授南京航空航天大學(xué)研究生院能源與動(dòng)力學(xué)院二О一六年三月NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFENERGYPOWERENGINEERINGDIGITALCONTROLRESEARCHOFDCDCCONVERTERSFMEELECTRICGASTURBINEENGINESATHESISINAEROSPACEPROPULSIONTHEYENGINEERINGBYLUBINBINADVISEDBYASSOCIATEPROFESSXIAOLINGFEISUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFTHEDEGREEOFMASTEROFENGINEERINGMARCH2016