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      • 簡(jiǎn)介:上海海事大學(xué)碩士學(xué)位論文基于SOPC技術(shù)的嵌入式攝像控制系統(tǒng)的研究姓名樊靈晶申請(qǐng)學(xué)位級(jí)別碩士專業(yè)通信與信息系統(tǒng)指導(dǎo)教師龔兆崗楊忠根20060601基于SOPC技術(shù)的嵌入式攝像控制系統(tǒng)的研究ABSTRACTALONGWITHTHEDEVELOPMENTOFMARKETECONOMYANDIMPROVEMENTOFPEOPLESSTANDARDOFLIVING,REQUIREMENTOFSAFEGUARDANDLOCALERECORDERALARMSYSTEMISLARGERANDHIGHERINFIELDSSUCHASBANK、ELECTDCALPOWER、TRAFFIC、SAFETY、STORAGE、BUILDINGANDMILITARYAFFAIRSESTABLISHMENT.VIDEOSURVEILLANCESYSTEMHASOUTSTANDINGFEATURES,INCLUDINGREALTIMEINSPECTINGOBJECTS,SUPPORTFARDISTANCETRANSMITANDCONVENIENTFORMANAGERTOCONTROL,SOITA牡A(chǔ)CHESPEOPLESGREATIMPORTANCEINCREASINGLY.COMPANIESALWAYSADAPTTHEWAYSUSINGCPUDSPTOIMPLEMENTTHEMONITORSYSTEM.THISREALIZATIONHASHIGHCOSTANDPOORAGILITY,BUTUSINGPROGRAMMABLELOGICDEVICECANRECUPERATETHESEDEFECTS.THEFUNCTIONOFTHEORIGINALCPUCPLDCOMBINATIONCARLBEREALIZEDBYONEFPGACHIP.ITNEEDSTOREALIZEA32B}【NIOSIICPUADDINGWITHTHEHARDWARELOGICOFVIDEOSIGNALSSELECT、STORAGEANDCOLORSPACETRANSFORMINAFPGACHIP。THESOPCTECHNOLOGYWHICHCREATESPROGRAMMABLESYSTEMONASINGLECHIPISONTHEEDGEOFTHISFIELD.THERESEARCHCONTENTHASMAINLYTHEFOLLOWINGSEVERALASPECTS1.THEBLOCKDIAGRAMOFEMBEDDEDCAMERACONTROLSYSTEMBASEDONNIOSIIANDTHEARCHITECTUREOFITSCORECONTROLLER.2.THERESEARCHOFMAKINGANIPCOREWITHVERILOGHDLANDMAKINGANIPCORENAMEDCAMERA_SHOWWHICHCANPERFORMTHEFUNCTIONSINCLUDINGVIDEOSIGNALSSELECT、ASSIGN、STORAGEANDCOLORSPACETRANSFORM.3.THETECHNOLOGIESOFSOPC。DESIGNINGA32BITSNIOSIICPUWITHSOPC.CREATEASOPCBYLINKINGPERIPHERYCONTMLLOGICANDUSERLOGICWITHAVALONBUS.4.THESOFTWAREDESIGNOFUSBCOMMUNICATION.THEEP2C35F627C6CHIPOFALTERACORPORATION。SCYCLONEIIFAMILYISUSEDINTHISDESIGN.THESYSTEMOFNIOSIICPU、CAMERASHOWIPCOREANDPERIPHERYCONTROLLOGICCOMPOSITIONISDESIGNEDWITHSOPC.THISSYSTEMDESIGNEDBYTHETOPTOBOROMMODE.TOIMPLEMENTTHEUSERLOGICPARTOFTHESYSTEM,ITCANUSEMODULARIZEDESIGNMEASURES.FIRSTLY,DIVIDETHECAMERA_SHOWIPCOREINTOSEVERALⅡ
        下載積分: 5 賞幣
        上傳時(shí)間:2024-03-12
        頁(yè)數(shù): 97
        4人已閱讀
        ( 4 星級(jí))
      • 簡(jiǎn)介:『IINIIIIIIIIIIIIINIIIIIIIII}Y1525598分類弓U49.該步走海碩士學(xué)位論文基于S3C44BOX的嵌入式汽車軟密碼鎖研究導(dǎo)師姓名職稱申請(qǐng)學(xué)位級(jí)別論文提交日期學(xué)位授予單位張柯馬榮貴剖教授答辯委員會(huì)主席學(xué)位論文評(píng)閱人孔慶蕓副教授ABSTRACTALONGWITHTHEFASTDEVELOPMENTOFTHEECONOMYANDSCIENCETECHNOLOGY,THEVEHICLEISALLIMPORTANTINSTRUMENTOFTHETRAFFICWHICHISQUICKLYINCREASING.SOVEHICLEANTITHEFTTECHNOLOGYISBECOMINGTHEFOCUSOFTHERESEARCH.BASEDONTHERESEARCHOFTHEVEHICLEANTITHEFTTECHNOLOGYATHOMEANDABOARDANDTHEINTEGRATIVEEMBEDDEDSYSTEMPLATFORM,WEMAKEUPRESEARCHONTHEVEHICLEANTITHEFTTECHNOLOGYOFTHEELECTRONICSTYPEANDTHECHIPTYPE.WEHAVEPRESENTEDANANTITHEFTTECHNOLOGYBASEDONTHEDESIGNTHOUGHTOFPERFECTFUNCTIONS,REASONABLETHERATIOOFCAPABILITYTOCOSTANDSECURITY,WHICHOFFERSTHEORYBASICFORTHEDESIGNOFVEHICLEANTITHEFTPRODUCTS.INTHEFIRSTITREVIEWSANDANALYSESTHENECESSARYOFTHERESEARCHONTHEVEHICLEANTITHEFTTECHNOLOGY.BASEDONTHEMERITSANDSHORTCOMINGOFOTHERVEHICLEANTITHEFTTECHNOLOGY,WEHAVEADOPTEDTHEELECTRONICSTYPEANDTHECHIPTYPETODESIGNVEHICLEANTITHEFTSYSTEM.MOREOVER,ENTRYSYSTEMADOPTSDIPLEXPASSWORDS;CODEDISHADOPTSDYNAMICROTARYTYPE.WECHOICETHECPUCHIPACCORDINGTOTHEREQUIREMENTSOFTHESYSTEMANDADOPTMODULARIZATIONDESIGNTOTHETHOUGHTBASEONTHECPUCHIP.FURTHERMORE,WECOMPLETEPROGRAMDESIGNTOTHEFUNCTIONMODULARIZATION.INORDERTOENHANCESYSTEM’SSECURITY,WEHAVEPRESENTEDANEWMODELWHICHMAKESRTCASRANDOMSEED,ANDISNAMEDASTIMESEEDCOMBINATIONRANDOMGENERATIONALGORITHM.SUBSEQUENTLY,WEANALYZEANDCHECKUPTHISRANDOMGENERATORANDTESTIFYTHATITPOSSESSESWELLPROPERTYOFUNIFORMITYANDINDEPENDENCE.THECHOICEOFCOORDINATESANDTHECODECARDGENERATIONALLADOPTTIMESEEDCOMBINATIONRANDOMGENERATIONALGORITHM.BASEDONINTEGRATEDEMBEDDEDDEVELOPMENTPLATFORM,WEANALYSESANDCOMPLETETHEEVERYOFMODULARIZATIONTHEINTEGRATEDDESIGN.SUBSEQUENTLY,WETESTTHEINTEGRATEDSYSTEMANDTESTIFYFEASIBILITYOFTHESYSTEM.INTHEENDOFTHEPAPERWESUMMARIZEDTHEFRUITSOFOURWORKANDPUTFORWARDSOMEPROPOSESFORTHEFUTURE.KEYWORDSVEHICLEANTITHEFTTECHNOLOGY;EMBEDDEDSYSTEM;RANDOM;CODECARD
        下載積分: 5 賞幣
        上傳時(shí)間:2024-03-13
        頁(yè)數(shù): 76
        2人已閱讀
        ( 4 星級(jí))
      • 簡(jiǎn)介:天津大學(xué)碩士學(xué)位論文基于LINUX26嵌入式手持終端低功耗設(shè)計(jì)姓名薛萬(wàn)樹(shù)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)通信與信息系統(tǒng)指導(dǎo)教師朱繡鑫20080501ABSTRACTTHEISSUEOFLOWPOWERDESIGNINEMBEDDEDSYSTEMISPERCEIVEDASFATALDIFFICULTYANDISHOTDISCUSSEDRECENTLY,ESPECIALLYINBARERYPOWERSYSTEM.THEDEVELOPMENTOFBATTERY’SPERFORMANCELAGSOMUCHCOMPAREDWITHTHENEEDOFTHEEMBEDDEDDEVICE,SOLOWPOWERDESIGNISBECOMINGMOREANDMORESENSIBLE.THEPURPOSEOFLOWPOWERDESIGNISTOMINIMIZETHEENERGYCONSUMPTIONOFANEMBEDDEDSYSTEMANDEXTENDTHELIFETIMEOFBATTERYWITHOUTLOSINGITSPERFORMANCE.THISDESIGNWILLDESCRIBESOMETHINGINTWOASPECTSHARDWAREANDSOFTWARE.LOWPOWERDESIGNOFHARDWAREFOCUSESONLOWPOWERPROCESSORANDPERIPHERALSANDTHEIRPOWERSUPPLYDESIGN.THEPOWERSUPPLYOFPROCESSORALLOWSTHATDIFFERENTVOLTAGESUPPLYAREAVAILABLE,MEANWHILEDESIGNATCIRCUITLEVELISUSEFULTOBOOSTTHEEFFICIENCYOFPOWERTRANSFER.THEPOWERSUPPLYOFPERIPHERALSARESEPARATEDINTODIGITALCIRCUITANDANALOGCIRCUITWHICHWORKTOGETHERWITHSOFTWARETOCONTROLTHEON\OFFOFTHEPERIPHERALS.LOWPOWERDESIGNOFSOFTWAREFOCUSESONMECHANISMOFTHELINUXPOWERMANAGEMENT,ANDTHEADOPTIVETECHNOLOGYORALGORITHMSAREUSEDTODYNAMICALLYCHANGEPROCESSOR’SSPEEDANDVOLTAGEANDTOCONTROLTHEPERIPHERALS’ON\OFF.EMBEDDEDLINUXCHANGEDFROMORDINARYLINUXOSCANSMOOTHLYRUNONTHEEMBEDDEDSYSTEM..TOTHEPROCESSOR’SPOWERMANAGEMENT,WEADOPTALGORITHMSANDLINUXDATASTRUCTURE,F(xiàn)INALLYREALIZETHEDIFFERENTMODEMANAGEMENT.TOTHEPERIPHERALS,WEADOPTLINUX’SPERIPHERALSPOWERMANAGEMENTANDFUNCTIONINTERFACETOREALIZETHEIRON\OFT.KEYWORDSHANDSET,LOWPOWERDESIGN,LINUX,POWERMANAGEMENT
        下載積分: 5 賞幣
        上傳時(shí)間:2024-03-13
        頁(yè)數(shù): 63
        6人已閱讀
        ( 4 星級(jí))
      • 簡(jiǎn)介:Y10376五I】學(xué)位論文基于S3C44BOX微處理器的嵌入式平臺(tái)TCP/IP實(shí)現(xiàn)及無(wú)線傳輸技術(shù)蔣青指導(dǎo)教師王冬捷副教授申請(qǐng)學(xué)位級(jí)別工學(xué)碩士專業(yè)名稱輪機(jī)工程學(xué)位授予單位大連海事大學(xué)2007年3月英文摘要RCALIZATIONOFEMBEDEDT刪PPROTOCOLBASEDONS3C44BOXMICROPROCESSORANDWIRELESSCOMMUNICATIONTECHNOLOGYABSTRACTALONGWITHTHEWIDEAPPLICATIONOFINTORNETINMANYFIELDS.ALOTOFWHILOMISOLATEDEQUIPMENTSANDSYSTEMSHAVEBEENJOININGUPWITHIT,WHICHMAKESITPOSSIBLETHATMOREANDMOREINFORMATIONANDRFSOUR∞.S啪BESHARED.THEEMBEDDEDINTERNETTEELMOLOGYSUPPLIESTHESHARESWITHAPHYSICALMEANS,ANDITHASEXIGENTDEMANDSANDPROMISINGMARKETSINTHEINDUSTRIALCONTROLFIELD.THEREFORE.MOREANDMORE伽TERPFIS∞ANDINDIVIDUALSARETAKINGUPWITHTHERESEARCH..THEPAPEREXPATIATESMAINLYTHATITEMPOLDERSASETOFTCP/IPPROTOCOLDUSTERWHICHISCONDENSINGANDMATURITYWITLLTHEPRIMARYDATAC咖MUNI∞T加FUNCTION.BYUSINGLOWERMICROPROCESSORANDLIMITEDMEMORYSPACE.THETCP/IPPROTOCOLCLUSTERISNOTONLYSIMPIEANDSTRONG,BUTALSOSTRONGLYCNRFENLCAPABILITY.ITISAPPLICABLETOTHEEMBCDEDEQUIPMENTSPECIALLYANDSUPPLYSAI%OLVCMFOREMBEDEDINTERNET.ASACOMMUNICATINGMETHOD,GPRSISANEWTECHNOLOGY,ITHASGOODEFFECTS,LOWERPRICETHANSMSAND啪BEIMPROVEDSMOOTHLY,MEANWHILE,GPRSSUPPORTSTCP/IPPROTOCOLANDCANMAKEWIRELESSDATATRANSMISSIONCONVEUIENLTHEOUTSTANDINGWORKOFTHEDISSERTATIONMAINLYLIESINTHEFOUOWINGTWOASPECTS.FIRSTL3,THEMODULES’CONEANLRATIVELAYOUTROUNDAPOWERFULSYSTEMCLASSCHIPANDTMITIVECONTROLENHANCENOTONLYTHEMODULES’WORKINGHARMONY,BUTALSOTHETERMIUALSUNIVERSALEHARACLER.SECONDLY,THEDATAACQUISITIONTERMINALBASEDONTHEEMBEDDEDINTERACTTECHNOLOGYISUSEDTOREPLACETHEPRIMARYONETHATISAGROUPOFANIND刪ALPCANDAUEQUIPMENTOFDATAACQUISITIONINTHEREMOTEDATAACQUISITIONSYSTEM.CONSIDERINGTHESYSTEMRESOLUTION,ITISASIGNIFICANTIMPROVEMENTOFTHESYSTEMSINTERNALSTRUCTURE.KEYWORDSEMBEDEDTCP/IP;RTL8019ASETHERNETCONTROLCHIP;S3C440BX;G吣NETWORK
        下載積分: 5 賞幣
        上傳時(shí)間:2024-03-13
        頁(yè)數(shù): 89
        5人已閱讀
        ( 4 星級(jí))
      • 簡(jiǎn)介:重慶郵電大學(xué)碩士學(xué)位論文基于OSEK/VDX200嵌入式實(shí)時(shí)操作系統(tǒng)內(nèi)核研究姓名張慧申請(qǐng)學(xué)位級(jí)別碩士專業(yè)控制理論與控制工程指導(dǎo)教師許洪斌;李銀國(guó)20100529重慶郵電大學(xué)碩士論文ABSTRACTABS仃ACTWIMTHERAPIDDEVELOPMENTOFTHEELECTRONICINFORMATIONTECHNOLOGY,AUTOMOBILESAREMORETHANJUSTASIMPLEMEANSOFTRANSPORTINTHETRADITIONALSENSE,BUTRATHERANINTEGRATEDINFORMATIONPLATFORM嘶TLLFULLFUNCTION,COMPLEXSYSTEM,REALTIME,RELIABILITYANDHIGRDYINTELLIGENTDEMAND.INORDERTOSTANDARDIZETHEINTERFACESTANDARDSANDPRODUCTDEVELOPMENTOFAUTOMOTIVEELECTRONICEMBEDDEDCONTROLSYSTEM,OSEK/VDXSTANDARDWASPRESENTEDBYTHEEUROPEANAUTOINDUSTRYINTHE1990S,USEDFORTHEAUTOMOTIVEELECTRONICOPENSYSTEMANDINTERFACESPECIFICATION.THEEMBEDDEDREALTIMEOPERATINGSYSTEM,AUTOOSEK2.0,BASEDONTHEOSEK/VDX2.0.0VERSION,ISRESEARCHEDANDDEVELOPEDINTHEAUTOMOTIVEELECTRONICANDEMBEDDEDSYSTEMLABORATORY.THETASKMODULEDESIGNOFTHECLASSECC2,NOTACHIEVEDINTHEAUTOOSEK2.0YETANDTHETASKSCHEDULINGMECHANISMOPTIMIZATIONOFTHEOPERATINGSYSTEMAREISSUEDINTHISPAPER.THEMAINCONTENTSAREASFOLLOWSFIST,THESTATUSANDPROSPECTSOFEMBEDDEDREALTIMEOPERATINGSYSTEMAREANALYZEDANDDESCRIBED.THEN,EXITINGMAINSTREAMEMBEDDEDREALTIMEOPERATINGSYSTEMWEREINTRODUCED.ANDTHECHARACTERISTICSOFTHESYSTEMARESUMMEDUP.SECOND,BYCOMPARINGTHETASKMANAGEMENTOFTHEEMBEDDEDOPERATINGSYSTEMINTHEAUTOOSEK2.0WITLLOSEKNDX2.0.0STANDARD,THETASKPROPERTIES.MEETINGCLASSECC2,WASANALYZED.ANDTHETASKCONTROLBLOCKOFECC2ISDESIGNED.TASKMANAGEMENTANDTASKSCHEDULINGFORTHECLASSECC2ISIMPLEMENTEDINTHEAUTOOSEK2.1.THIRD,ANEWTASKSCHEDULINGMECHANISMWASPRESENTEDBYAR謝YZING”STARVINGTODEATH”ISSUEOFTASKSCHEDULINGMECHANISMEXITEDINTHEAUTOOSEK2.0.ANEWMETHODTOIMPROVETHECONFIGURATIONOFTASKPRIORITYISINTRODUCED.THEVALIDITYISPROVEDBYTHESYSTEMTEST.THEN,THETESTMETHODSAREDESIGNEDANDTESTRESULTSAREANALYZED,F(xiàn)OCUSINGONTHETWOIMPORTANTPARTSCOMPLETEDINTHEAUTOOSEK2.1.FINALLY,THEFINISHEDWORKARESUMMARIZEDANDTHEFUTUREWORKARCPUTFORWARD.KEYWORDSAUTOMOTIVEELECTRONICS,EMBEDDEDSYSTEMS,OSEK/VDXSTANDARD,AUTOOSEK2.0,TASKSCHEDULINGⅡ
        下載積分: 5 賞幣
        上傳時(shí)間:2024-03-13
        頁(yè)數(shù): 56
        8人已閱讀
        ( 4 星級(jí))
      • 簡(jiǎn)介:東南大學(xué)碩士學(xué)位論文基于MX27微處理器和WINDOWSCENET操作系統(tǒng)的嵌入式系統(tǒng)開(kāi)發(fā)姓名劉元昭申請(qǐng)學(xué)位級(jí)別碩士專業(yè)軟件工程指導(dǎo)教師李冰辛川20090901ABSTRACTABSTRACTEMBEDDEDSYSTEMISACOMBINATIONOFCOMPUTERTECHNOLOGY,SEMICONDUCTORTECHNOLOGY,ELECTRONICTECHNOLOGYANDSPECIALAPPLICATION.EMBEDDEDSYSTEMISABRANCHOFCOMPUTERSYSTEM.WITHTHEINFILTRATIONOFCOMPUTERTECHNOLOGYINTHEINDUSTRY,TRAFFICANDMILITARYAFFAIRS,EMBEDDEDSYSTEMHASBECOMEAHOTSPOTOFITINDUSTRY.THEAPPLICATIONOFEMBEDDEDMICROPROCESSORGETSMOREANDMOREPOPULARINTHEEMBEDDEDSYSTEM.THEMX27MICROPROCESSOROFFREESCALEISWIDELYUSED,WITHITSHI【GHPERFORMANCE,LOWPOWERCONSUMPTION,RICHPERIPHERALINTERFACESANDOTHERADVANTAGES,USEDESPECIALLYINTHEPORTABLEDEVICESAREASUCHASPDA,HANDHEIDPCANDSOON.INTERMSOFSYSTEMSOFTWARE,WINDOWSCE.NETEMBEDDEDOPERATINGSYSTEMOCCUPIESMOREANDMOREIMPORTANTPOSITIONINTHEMARKETBECAUSEOFITSMULTIPLEPLATFORMSUPPORTINGCAPABILITY,SYSTEMCUSTOMIZINGCAPABILITYANDCONVIENTINAPPLICATIONDEVELOPMENT.THISPAPERINTRODUCESTHECONCEPTANDFEATURESOFEMBEDDEDSYSTEMATTHEFIRST.THISPROJECTISBASEDONTHEMX27MICROPROCESSOROFFREESCALEANDWINDOWSCE.NETEMBEDDEDOPERATINGSYSTEMOFMICROSOFT.ITSTUDIESTHECUSTOMIZINGANDMIGRATIONOFWINDOWSCE.NET,BSPDEVELOPMENT,BOOTLOADERDEVELOPMENT.THISPROJECTALSORESEARCHESTHEDESIGNMETHODOFDEVICEDRIVERBASEDONWINDOWSCE.NET.ANDTHEPROCESSOFDEVELOPINGDEVICEDRIVERSUCHASSERIALDRIVER,USBDRIVER,I2CDRIVER,BLUETOOTHDRIVER,NANDFLASHDRIVERANDDISPLAYDDVEREMBEDDEDSYSTEMWILLBEUSEDMOREANDMOREWIDELYINALOTOFAREAS.EMBEDDEDSYSTEM,MICROPROCESSOR,EMBEDDEDOPERATINGSYSTEM,WINDOWSCE.NET,DEVICEDRIVERII
        下載積分: 5 賞幣
        上傳時(shí)間:2024-03-13
        頁(yè)數(shù): 64
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      • 簡(jiǎn)介:東北大學(xué)碩士學(xué)位論文基于H323協(xié)議的嵌入式視頻會(huì)議系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)姓名鄭天衢申請(qǐng)學(xué)位級(jí)別碩士專業(yè)信號(hào)與信息處理指導(dǎo)教師張石20070101東北大學(xué)碩士學(xué)位論文THEDESIGNANDIMPLEMENTATIONOFEMBEDDEDVIDEOCONFERENCESYSTEMBASEDONH.323PROTOCOLABSTRACTINRECENTYEARS.誦也THERAPIDDEVELOPMENTOFNETWORKTECHNOLOGY,MULTIMEDIATECHNOLOGY,EMBEDDEDSYSTEMANDCOMMUNICATINGTECHNOLOGY,THEDEVELOPINGANDAPPLYINGOFEMBEDDEDCONFERENCINGSYSTEMBCE.,OME5ONEOFTHEHOTSPOTSOFTHEP北SENTCOMPUTERAPPLICATIONS.TODESIGNTHEEMBEDDEDVIDEOCONFERENCESYSTEMWITHGLOHLESTANDARDHASIMPORTANTMEANINGINTHEENGINEERINGANDTECHNOLOGYARES.ATFIRST,THEDEVELOPINGPROCESSOFTHEVIDEOCONFCRENEINGSYSTEMISBRIEFLYINTRODUCEDINTHISPAPERANDSOMEPROSPECTSOFTHETECHNIQUESARCGIVEN.AFTERANALYSESINGANDMASTERINGTHEIPBASEDMULTIMEDIACOMMUNICATIONSTANDARDH.323ANDTHERELATEDPROTOCOLS,STRUCTUREANDTHEKEYTECHNIQUEOFVIDEOCONFERENCESYST鋤AGEEMPHASIZED.THEARCHITECTUREOFPCASACONFERENCE锨VERANDEMBEDDEDSYSTEMASACONFERENCETERMINALISGIVEN.皿ECON£ERENCESFUCTIONS.FOREXAMPLECALLINGANDMANAGEMENT,AREMAINLYIMPLEMENTEDBYUSINGTHEPORTEDPWLIBANDOPENH323LIBRARY.THEN,TOSOLVETHELARGEDATAOFDI百TALVIDEOANDCOMPLEXCOMPRESSION,WHICHINFLUENCETHEEFFICIENCY,CHOOSETHEH.263STANDARD,WHICHISBETTERTHANOPENH323SH.261.DESIGNANDREALIZEH.263ALGORITHMINTHESYSTEM.ACCORDINGTOTHEMOTIONESTIMATEMODULERESEARCHINGANDDCT/IDCTTAKINGTOOMUCHTIME,IMPROVETHEDIAMONDALGORITHMANDADOPTZEROPROGNOSTICATEJUDGETECHNIQUETOLOWTHECAEULATIONANDRAISETHESYSTEMEFFICIENCY.ATLAST,THEHARDWAREPLATFOLM,/NTELPXA270ASPROCESSOR,ISINTRODUCED.THECHARACTERISTICSOFTHEEMBEDDEDLINUXANDBASICSTEPOFTHEEMBEDDEDDEVELOPMENTANBRIEFIN咖UCED.TAKEAUDIOANDVIDEOASANEXAMPLE,HOWTOCREATANDMUDIFYTHEDEVICEDRIVER撒DISCUSSED.TESTINGMETHODANDSUBJECTOFEMBEDDEDVIDEOCONFERENCETERMINAL齜INTRODUCEDANDTHERESULTSAREGIVEN.BYTHEABOVEMENTIONEDPROCESS.MAKETHE32MFALSHEMBEDDEDSYSTOM,TOBEAPOWERFULVIDEOCONFERENCETERMINAL.111ESYSTEMHASPRACTICALVALUE.THETECHNOLOGICALPARAMETERCALLSATISFYTHEREQUIREMENTSOFTHEREALTIMEINTERACTIONOFVIDEOANDAUDIOINVIDEOCONFERENCESYSTEMAT11NET.KEYWOR山H.323;PXA270;H.263;DIAMONDALGORITHM;EMBEDDEDLINUX一Ⅲ一
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      • 簡(jiǎn)介:桂林理工大學(xué)碩士學(xué)位論文基于H264的嵌入式視頻編碼服務(wù)器研究與實(shí)現(xiàn)姓名涂兵申請(qǐng)學(xué)位級(jí)別碩士專業(yè)檢測(cè)技術(shù)與自動(dòng)化裝置指導(dǎo)教師肖洪祥20090401桂林理工大學(xué)碩士學(xué)位論文ABSTRACTWITHTHERAPIDDEVELOPMENTOFMODEMTECHNOLOGY,ITDRIVETHERAPIDDEVELOPMENTOFNETWORKS,MICROELECTRONICTECHNOLOGY,VIDEOCOMPRESSIONARITHMETIC.DIGITALIZATIONANDNETWORKINGWILLBETHEINEVITABLEDEVELOPMENTTRENDOFTHEVIDEOSURVEILLANCEFIELD.THECORECOMPONENTOFVIDEOSURVEILLANCEISTHEVIDEOENCODINGSERVERANDITISUSEDCOLLECTIONTHEMONITORINGPOINTSAUDIOANDVIDEODATAANDACCEPTTHECONTOLOFMONITORINGCENTERORTHEUSER’S.THEEMBEDDEDSYSTEMSHAVESOMEADVANTAGESBASEDONDIGITALENCODE,SUCHASITISCASETREATMENTBYCOMPUTER,LONGDISTANCETRANSMISSION,HIGHRELIABILITYANDEASYINSTALLATION,USEOFFLEXIBLEANDLIGHTWEIGHTANDSOON.THISPAPERSTUDYBACKGROUNDISINNOVATIONPROJECTOFGUANGXIGRADUATEEDUCATIONOF2008”EMBEDDEDVIDEOCODINGSERVERRESEARCH”ITEMNUMBER2008105960811M2.THEMAINCONTENTSOFTHISPAPERISDESIGNEDBASEDONARM93C2440AANDDSPTMS320DM642EMBEDDEDVIDEOENCODINGSERVCRS.THEVIDEOENCODINGSERVERCANTOVIDEOSIGNALCOMPRESSIONENCODINGBYH.264SOTHATVIDEOSIGNALCANBCREALTIMETRANSIMISSIONUNDERCONDITIONSOFLOWBANDWIDTH.THE3C2440ACHIPREALTIMECONTROLANDREGULATIONTHEEACHMODULEOFENTKESYSTEMANDDM642VIDEOPROCESSINGCHIPFORVIDEOCAPTURESIGNALINREALTIMECOMPRESSIONCODING.THISPAPERHAVEFMISHEDHARDWARECIRCUITANDSOFTWAREINTEGRATEDDESIGN.THESYSTEMHARDWARECIRCUITDESIGNUSEDARM9ANDDSPDUALCOREDUALCHIPFORVIDEOCODINGSERVERANDHARDWARECIRCUITSDESIGNEDGIVEADETAILEDDESIGNSCHEMATICANDSOFTWAREARCHITECTUREDESIGNUSEMODULARANALYSISDESIGNIDEASANDFORWARDSEVERALMAJORSOFTWAREMODULESTOTHEENTIRESYSTEMSOFTWAREARCHITECTUREDESIGN.THESOFTWAREARCHITECTUREDESIGNHAVEGIVEDEACHMODULEANDTHECORRESPONDINGDATASTRUCTUREANDFLOWCHART.THEGOALOFTHISPAPERHASACHIEVEDTHEFOLLOWINGPOINTS1,DESIGNANDIMPLEMENTATIONINTEGRATEDWITHTHEDM642ANDARM9BASEDONH.264VIDEOENCODINGSERVERSANDITCANABLETOCONDUCTREALTIMEVIDEOCAPTUREOFDATACOLLECTIONANDTRANSMISSIONANDTRANSPLANTATIONTHEH.264ARITHMETICONDM642.2,DESIGNTHEFRAMEWORKOFTHEENTIRESYSTEMSOFTWAREANDINTEGRATEDINTOTHEHARDWARESYSTEMANDITCANCODINGVIDEOSIGNALBASEDONH.264.THESUCCESSRESEACHOFTHESYSTEMCANOFFERPOWERFULANDHIGLLELIABILITYANDTHEINTEGRITYOFTHEPROGRAMFORVIDEOSURVEILLANCE,STREAMINGMEDIA.THESYSTEMTESTRESULTSARESATISFACTORYANDBASICALLYREALIZETHEREALTIMEVIDEOSIGNALACQUISITIONANDENCODINGONTHELABORATORYTAN.Ⅱ
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      • 簡(jiǎn)介:分類號(hào)UDC密級(jí)學(xué)位論文基于H.264的嵌入式視頻網(wǎng)絡(luò)監(jiān)控系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)作者姓名指導(dǎo)教師申請(qǐng)學(xué)位級(jí)別學(xué)科專業(yè)名稱論文提交日期學(xué)位授予日期評(píng)閱人秦亞磊劉輝林教授東北大學(xué)信息科學(xué)與工程學(xué)院碩士學(xué)科類別工學(xué)計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)2011年6月論文答辯日期2011年6月2011年7月答辯委員會(huì)主席喬建忠趙宏、孟莉東北大學(xué)2011年6月獨(dú)創(chuàng)性聲明本人聲明,所呈交的學(xué)位論文是在導(dǎo)師的指導(dǎo)F完成的。論文中取得的研究成果除加以標(biāo)注和致謝的地方外,不包含其他人己經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果,也不包括本人為獲得其他學(xué)位而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均己在論文中作了明確的說(shuō)明并表示謝“孓OR4學(xué)位論文作者簽名彳瑩垂茲日期DLC辱F詛乙1口學(xué)位論文版權(quán)使用授權(quán)書(shū)本學(xué)位論文作者和指導(dǎo)教師完全了解東北大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定即學(xué)校有權(quán)保留并向國(guó)家有關(guān)部門(mén)或機(jī)構(gòu)送交論文的復(fù)印件和磁盤(pán),允許論文被查閱和借閱。本人同意東北大學(xué)可以將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫(kù)進(jìn)行檢索、交流。作者和導(dǎo)師同意網(wǎng)上交流的時(shí)間為作者獲得學(xué)位后半年叫一年口一年半口兩年影學(xué)位論文作者簽名。樂(lè)理奄簽字日期。乙叭牟俄Z鬮繃I/I沖11咐∥IⅪ導(dǎo)師簽名翻彤年簽字日期7_JTL.∥砂∥
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      • 簡(jiǎn)介:論文題目基于H264的嵌入式流媒體視頻播放系統(tǒng)的設(shè)計(jì)專業(yè)學(xué)位類別工程碩士學(xué)號(hào)200991231287作者姓名嚴(yán)清指導(dǎo)教師董強(qiáng)博士分類號(hào)密級(jí)UDC注1學(xué)位論文基于H264的嵌入式流媒體視頻播放系統(tǒng)的設(shè)計(jì)(題名和副題名)嚴(yán)清(作者姓名)指導(dǎo)教師董強(qiáng)博士電子科技大學(xué)成都夏彥翔高工中國(guó)通信服務(wù)福建電信技術(shù)公司福州方圓(姓名、職稱、單位名稱)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)學(xué)位類別工程碩士工程領(lǐng)域名稱軟件工程提交論文日期201209論文答辯日期201211學(xué)位授予單位和日期電子科技大學(xué)2012年12月答辯委員會(huì)主席評(píng)閱人注1注明國(guó)際十進(jìn)分類法UDC的類號(hào)。
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      • 簡(jiǎn)介:浙江大學(xué)電氣工程學(xué)院碩士學(xué)位論文基于H264的嵌入式視頻服務(wù)器的設(shè)計(jì)與開(kāi)發(fā)姓名周強(qiáng)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)電工理論與新技術(shù)指導(dǎo)教師楊仕友費(fèi)章君20100120浙江大學(xué)碩一I二學(xué)位論文ABSTRACTINRECENTYEARS,WITHTHERAPIDPROGRESSOFINTERNETTECHNOLOGY,COMPUTERTECHNOLOGYANDVIDEOIMAGEPROCESSINGTECHNOLOGY,VIDEOSURVEILLANCETECHNOLOGYISDEVELOPINGTOWARDNETWORKING,DIGITALANDINTELLIGENTDIRECTION.MEANWHILETHEVIGOROUSVIDEOSURVEILLANCEMARKETHASAHIGHERDEMANDFORVIDEOIMAGECLARITYANDSTABILITY.FORTHISREASON,WEDESIGNANDDEVELOPAHIGHPERFORMANCEEMBEDDEDVIDEOSERVER.THENETWORKVIDEOSERVERBASEDONTHEFREESCALEVIDEOPROCESSINGCHIPIMX27RUNNINGONTHELINUXOPERATINGENVIRONMENT.USINGSHORTCONNECTIONTOCOMPLETETHEINTERACTIONBETWEENTHESERVERANDCLIENTS,WHICHEFFECTIVELYSAVESYSTEMRESOURCESANDREDUCETHECPUUTILIZATIONOFTHESEVER.MOREOVER,INORDERTOOBTAINHIGHQUALITYVIDEOIMAGES,THESERVERADOPTSANADAPTIVEDEINTERLACINGALGORITHMBASEDONTHEUSEOFSPLICINGANDINTERPOLATIONONSTATICANDMOVINGPICTURERESPECTIVELYTOREALIZEDEINTERLACINGOFTHEVIDEOIMAGE,WHICHGUARANTEESTHEINTEGRITYOFTHEVIDEODATAANDIMPROVETHEVIDEOCLARITY.INTHEENDOFTHISPAPER,THEPRINTSCREENOFTHESERVERISGIVEN,ACHIEVINGTHEDESIREDDESIGNEDGOAL.THEREAREFIVECHAPTERSINTHISPAPERTHEFIRSTCHAPTERMAINLYINTRODUCESTHEBACKGROUNDANDSIGNIFICANCEOFTHISTOPIC,THEHISTORYANDCURRENTSTATUSOFVIDEOSURVEILLANCESYSTEM,THEADVANTAGESOFEMBEDDEDNETWORKVIDEOSURVEILLANCESYSTEM,ANDTHETRENDOFVIDEOSURVEILLANCESYSTEMDEVELOPMENTISDISCUSSEDINTHEEND.THESECONDCHAPTERISMAINLYFOCUSEDONSOMEKEYTECHNOLOGYOFTHISTOPIC,INCLUDINGVIDEOCOMPRESSIONALGORITHM,H.264ENCODINGTECHNOLOGY,ARMCOREPROCESSOR’EMBEDDEDLINUXOPERATIONSYSTEMFEATURES,F(xiàn)INALLYINTRODUCEDVIDEOIMAGEDEINTERLACER.THETHIRDCHAPTERISMAINLYINTRODUCEDVIDEOSERVER’SHARDWAREARCHITECTURE,INCLUDINGIMX27CHIPS,TVP5150CORECHIPSANDVIDEOSERVERSCIRCUITMODULEDESIGN.THEFOURTHCHAPTERISFOCUSEDONVIDEOSERVERSOFTWAREDESIGN,INCLUDINGSOFTWAREARCHITECTURE,BOOTLOADERINTRODUCTION,LINUXOPERATIONSYSTEMMIGRATION,F(xiàn)ILESYSTEMPRESENTATIONANDPRODUCTION,F(xiàn)INALLYHIGHLIGHTINGTHEAPPLICATIONSOFTWAREDESIGN.THEFIFTHCHAPTERISALLENGINEERAPPLICATIONOFTHEVIDEOSERVERWEDEVELOPED,ANDTHERESULTISALSOGIVEN,F(xiàn)INALLYTHENEXTSTEPWESHOULDTAKETOIMPROVETHEVIDEOSERVERISALSOGIVENINTHEENDOFTHISPAPER.KEYWORDSEMBEDDEDLINUXSYSTEM;H.264;DEINTERLACINGTRANSFORMATION;SHORTCONNECTIONS;VIDEOTRANSMISSION;一LL
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        上傳時(shí)間:2024-03-14
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