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  • 嵌入式 (共10000 份)
  • 用時(shí):23ms
    • 簡(jiǎn)介:南京航空航天大學(xué)碩士學(xué)位論文嵌入式8021X協(xié)議在WLAN接入認(rèn)證中的應(yīng)用研究姓名陳偉申請(qǐng)學(xué)位級(jí)別碩士專業(yè)計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師丁秋林20060101嵌入式8021X協(xié)議在WLAN接入認(rèn)證中的應(yīng)用研究IIABSTRACTWITHTHERAPIDDEVELOPMENTOFTHECOMPUTERTECHNOLOGY,NETWORKAPPLICATIONISBEINGWIDELYAPPLIEDTODAILYLIFETHEWIRELESSLANUSESTHEADVANTAGESOFBOTHWIRELESSCOMMUNICATIONTECHNOLOGYANDNETWORKTOCARRYOUTTHEWIRELESSCOMMUNICATIONWITHNETWORKINACERTAINDISTANCEFORWIRELESSNETWORK,THESECURITYISVERYIMPORTANTWLANISINTHEPERIODOFRAPIDDEVELOPMENT,MANYSTANDARDSANDPROTOCOLSAREBEINGIMPROVEDTOENHANCESECURITIESTHEDISCUSSIONOFTHESECURITYONWLANWILLBEONTHEPAPERRESEARCHTHEACCESSAUTHENTICATIONPROCEDUREOFTHEWLANATTHEBEGINNINGOFTHEPAPER,THEDEFICIENCYOFTHEWLAN’SBASICSECURITYPOLICYISANALYZED,SOTHEACCESSAUTHENTICATIONISPROPOSEDTOENHANCEITSSECURITYSEVERALPRESENTACCESSAUTHENTICATIONTECHNOLOGIESARECOMPARED,THE8021XISSELECTEDTOACTASTHEAUTHENTICATIONPROTOCOLFRAMEWORKBECAUSEITISCONSIDEREDTOBEBETTERTHENTHEEMBEDDEDAUTHENTICATIONSYSTEMISPUTFORWARDTHISSYSTEMUSETHEARMASTHEHARDWAREPLATFORMANDTHEUCLINUXASTHEOPERATIONSYSTEM,THEEXTENDAUTHENTICATIONPROTOCOLBASEDON8021XISIMPLEMENTEDONTHISENVIRONMENTINADDITION,TOADVANCETHEWLAN’SSECURITY,THEIPMACDATAFILTRATEMETHODISINTRODUCEDTOCONTROLTHEPORTTHEENCRYPTIONTECHNOLOGIESAREADOPTEDTOPROTECTTHEUSER’SPASSWORDMEANWHILE,CACHEMECHANISMISBROUGHTFORWARDTOIMPROVETHEQUERYEFFICIENCYONTHEAUTHENTICATIONINFORMATIONTHEANALYSISINDICATESTHATEMBEDDEDAUTHENTICATIONSYSTEMCANPROTECTTHEWLANFROMMAINSAFETYTHREATSEFFECTIVELYKEYWORDSWLAN,ACCESSAUTHENTICATION,8021XPROTOCOL,EMBEDDEDARM,EAP
      下載積分: 5 賞幣
      上傳時(shí)間:2024-03-13
      頁(yè)數(shù): 75
      6人已閱讀
      ( 4 星級(jí))
    • 簡(jiǎn)介:FHJI∞蘭,女Q.一型口&N“世壘M翱二癬嘻Z磐碩士學(xué)位論文滄文題目堡△蔓墨塹旦堅(jiān)查互墊濾波器的實(shí)J書研究學(xué)生姓名學(xué)號(hào)指導(dǎo)教師學(xué)科專業(yè)研究方向論文提交R期奠啟敏碩050603朱秀昌教授F亙亙墾竺里罔緣處理與多媒體通信南京郵電大學(xué)碩士研究生學(xué)位論文摘要ABSTRACTNOWADAYS,HYBRIDVIDEOENCODINGALGORITHMBASEDONBLOCK2DDCTQUANTIZATIONANDMOTIONCOMPENSATIONWHICHCHARACTERIZEDBYEXCELLENTPERFORMANCEISWIDELYUSEDINTHEVIDEOCOMPRESSION8XCA.HOWEVER,THEBLOCKBASEDMETHODSMAYCAUSEDINTENSITYDISCONTINUITYEFFECTATTHEEDGESOFBLOCKSWHENRECONSTRUCTIMAGE,CALLEDBLOCKEFFECT,WHICHCANINFLUENCETHEIMAGEQUALITY.ITISINDICATEDINTHEPRESENTRESEARCHTHATTHEDEBLOCKINGFILTERISANEFFECTIVEMETHODTOREMOVEBLOCKINGEFFECTANDIMPROVETHEQUALITYOFIMAGE.INTHEVIDEOCODECPROTOCOLH.264/AVCESTABLISHEDBYITUTANDISO/IEC,THEHI曲ADAPTABLELOOPDEBLOCKINGFILTERISINTRODUCEDANDTHEDETAILFILTERALGORITHMISALSOPROVIDED.THEDEBLOCKINGFILTERINTHEH.264HASGAINANDISTINCTEFFECTINREMOVINGBLOCKEFFECTOFDECODEDIMAGE,ESPECIALLYINTHENARROWBANDWIDTHENVIRONMENT.THEDEBLOCKINGFILTERINTHEH.264WHICHISCHARACTERIZEDBYHIGHADAPTABILITYMAYCOSTAPPROXIMATELY1/3COMPUTATIONALCAPABILITYANDINCREASECOMPUTATIONALCOMPLEXITY.THISWILLBRINGANEGATIVEEFFECTTOTHEREALTIMEOPERATIONOFTHEH.264DECODER.THERESEARCHOFTHISTHESISFOCUSONTHECOMPREHENDING,ANALYSINGANDCOMPARINGTHECAPABILITYANDIMPLEMENTATIONMETHODOFH.264DEBLOCKINGFILTERALGORITHMS.ANEFFECTIVEMACROBLOCKSBASEDDEBLOCKINGFILTERALGORITHMISPROPOSEDANDITSIMPLEMENTATIONINTHEBF561OFEMBEDDEDDSPPLATFORMISGIVEN.THISTHESISFIRSTLYINTRODUCESTHEH.264VIDEOCODINGSTANDARDS,THECAUSATIONOFBLOCKEFFECTANDTHEMECHANISMOFDEBLOCKINGFILTER.ANDTHENREPORTSTHECONSTRUCTIONOFABF561/UCLINUXCODECTESTINGSYSTEMINTHEADSPBF561DUALCORESDSPBASEDONAH.264BASELINEPROFILEDECODERWHICHFINISHEDINTHELABORATORY.THEIMPLEMENTATIONOFTHEOPTIMIZATIONOFTHEFILTERALGORITHMONEMBEDDEDDSPPLATFORMISDESCRIBEDANDANALGORITHMBASEDONTHEMACROBLOCKSINTHEDECODERISPROPOSEDASWELL.THETESTING,COMPARINGANDANALYSINGRESULTOFTHISFILTERALGORITHMISALSOPROVIDEDAFTERFINISHINGANDREPEATEDLYDEBUGGINGUSINGH.264DECODERONTHEDSPCODECPLATFORM.THEEXPERIMENTS’RESULTSHOWSTHATTHECOMPUTATIONALCOMPLEXITYOFTHEPROPOSEDMACROBLOCKSBASEDFILTERALGORITHMISREDUCEDBY35%COMPARINGWITHTHEORIGINALONEONTHECONDITIONTHATKEEPINGTHEFILTERCAPABILITY.ANDITSATISFIESTHEREQUIREMENTOFREALTIMEFILTERINGCIFSEQUENCEUSINGADSPBF561,ANDGREATLYIMPROVESTHEOUTPUTIMAGEQUALITYOFTHEDECODER。KEYWORDSVIDEOCODECH.264DEBLOCKINGFILTERBF56IUCLINUX
      下載積分: 5 賞幣
      上傳時(shí)間:2024-03-13
      頁(yè)數(shù): 59
      2人已閱讀
      ( 4 星級(jí))
    • 簡(jiǎn)介:中國(guó)科學(xué)技術(shù)大學(xué)碩士學(xué)位論文嵌入式多媒體網(wǎng)絡(luò)傳輸系統(tǒng)基于PSOS嵌入式操作系統(tǒng)的任務(wù)調(diào)度算法、H323協(xié)議棧、磁盤子系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)姓名秦婷婷申請(qǐng)學(xué)位級(jí)別碩士專業(yè)電路與系統(tǒng)指導(dǎo)教師羅玉平20070501巾國(guó)科學(xué)技術(shù)大學(xué)賴十畢業(yè)論文摘要隨著集成電路和嘲絡(luò)通信技術(shù)的不斷發(fā)展,多媒體通信逐漸成為了研究的熱點(diǎn)問(wèn)題。嵌入式系統(tǒng)以其的便攜性和專用性特點(diǎn),成為后PC時(shí)代的寵兒。將多媒體通信技術(shù)與嵌入式系統(tǒng)相結(jié)合的產(chǎn)品也成為當(dāng)今通信產(chǎn)品的發(fā)展趨勢(shì)。本文以PNXL500嵌入式多媒體系統(tǒng)為硬件平臺(tái),介紹了該嵌入式多媒體網(wǎng)絡(luò)傳輸系統(tǒng)的軟件模塊設(shè)計(jì),著重討論了H.323協(xié)議棧在PNXL500丌發(fā)環(huán)境卜的移植以及應(yīng)用程序的編寫;設(shè)計(jì)實(shí)現(xiàn)了一種應(yīng)用于嵌入式多媒體網(wǎng)絡(luò)傳輸系統(tǒng)的文件系統(tǒng);消除音視頻的抖動(dòng)問(wèn)題以及解決播放同步問(wèn)題;通過(guò)PSOS操作系統(tǒng)對(duì)視頻編解碼任務(wù)、音頻編解碼任務(wù)、H.323通信任務(wù)、GUI任務(wù)、播放任務(wù)以及文件讀寫任務(wù)進(jìn)行調(diào)度,合理分配資源提高整個(gè)系統(tǒng)的穩(wěn)定性。關(guān)鍵字嵌入式多媒體網(wǎng)絡(luò)傳輸系統(tǒng),H.323協(xié)議棧,文件系統(tǒng),PSOS
      下載積分: 5 賞幣
      上傳時(shí)間:2024-03-14
      頁(yè)數(shù): 100
      4人已閱讀
      ( 4 星級(jí))
    • 簡(jiǎn)介:西北工業(yè)大學(xué)碩士學(xué)位論文嵌入式LINUX家庭網(wǎng)關(guān)系統(tǒng)研究與實(shí)現(xiàn)姓名薛家勇申請(qǐng)學(xué)位級(jí)別碩士專業(yè)精密儀器及機(jī)械指導(dǎo)教師楊建華20050301西北工業(yè)大學(xué)碩士學(xué)位論文ABSTRNCTABSTRACTDIGITALHOMENETWORKISCALLED3CSYSTEM,WHICHINCLUDESCOMPUTER,COMMUNICATIONANDCONSUMERTECHNOLOGYITCONNECTSALLKINDSOFPOSSIBLEEQUIPMENTSTOREALIZEINFORMATIONSWITCHINGANDREMOTESURVEYANDCONTROLIFWETAKETHERESEARCHOFHOMENETWORKGATEWAYASABREAKTHROUGH,ITISPOSSIBLYTHATWECANWINAGREATADVANTAGEOVEROTHEROPPONENTSINTHEFUTURECOMPETITIONANDGAINGREATSOCIALANDECONOMICBENEFITINTHISTHEMESOMEVITALPROBLEMSOFHOWTOREALIZEHOMEGATEWAYBASEDONEMBEDDEDLINUXISPUTFORWARDANDRESEARCHEDFIRSTOFALLSOMECOMMONUSEDEMBEDDEDSYSTEMSISINTRODUCEDWECOMPARETHESESYSTEMSANDANALYZETHEADVANTAGEANDDISADVANTAGEOFTHEHOMEGATEWAYCONSTRUCTEDBYLINUX,ANDGIVETHEMETHODTOIMPROVETHEREALTIMEABILITYATTHESEEMTIMETHEWAYOFREDUCINGTHEEMBEDDEDLINUXISINTRODUCEDTHENCOMMONUSEDFILESYSTEMSUNDEREMBEDDEDLINUXAREINTRODUCEDJFFS2FILESYSTEMISANALYZEDINDETAIL,ANDAFTERTHATIMPROVEDMETHODISPUTFORWARDUSBPROTOCOLISINTRODUCED,ANDUSBDEVICEISBUILTWITHSOFTWAREANDHARDWARETHENEXAMPLEOFUSBDRIVEROFGATEWAYDEVICEISGIVENAFTERTHATWEANALYZETHEMODELOFINTELLIGENTHOMEGATEWAY,ANDPUTFORWARDTHEMETHODOFREALIZETHEHOMEGATEWAY,WHICHINCLUDESSOFTWAREANDHARDWARETHENINTRODUCETHESECURITYPROBLEMINTHEHOMEGATEWAYANDTHESOLUTIONUNDERLINUXSYSTEMKEYWORDSHOMEGATEWAY,EMBEDDEDSYSTEM,LINUX,REAL一TIME,USB11
      下載積分: 5 賞幣
      上傳時(shí)間:2024-03-13
      頁(yè)數(shù): 123
      6人已閱讀
      ( 4 星級(jí))
    • 簡(jiǎn)介:分類號(hào)丁尸單位代碼學(xué)號(hào)訓(xùn)甲仃馨功縈名茸碩士學(xué)位論文,論“題目’物星甲娜“娜‘丙封作者姓專指導(dǎo)教師姓名專業(yè)技術(shù)職務(wù)孫卉菜夕湃明夕日山東大學(xué)碩士學(xué)位論文服務(wù)器端和客戶端實(shí)現(xiàn)過(guò)程伽介紹,服定義以及的特點(diǎn)。,,接口定義語(yǔ)一言工及編譯器工對(duì)象的創(chuàng)建及其主要接口函數(shù)介紹的框架組件對(duì)象模型各接口主要函數(shù)的名字及功能列表文本、音頻、視頻傳輸模塊的實(shí)現(xiàn)模塊分析類介紹會(huì)議管理對(duì)象初始化在會(huì)議管理對(duì)象中建立遠(yuǎn)程會(huì)診對(duì)象會(huì)診中通信通道的獲取,會(huì)診中會(huì)診成員的獲取會(huì)診中會(huì)診專家的加入信息交互模塊應(yīng)用白板模塊本章小結(jié)第四章初步實(shí)現(xiàn)”二“’系統(tǒng)應(yīng)用介紹系統(tǒng)性能測(cè)試’“第五章前景與展望,桌面型多媒體遠(yuǎn)程會(huì)診系統(tǒng)的性能優(yōu)勢(shì)和技術(shù)亮點(diǎn)對(duì)未來(lái)的展望參考文獻(xiàn)致謝攻讀碩士學(xué)位期間發(fā)表的學(xué)術(shù)論文
      下載積分: 5 賞幣
      上傳時(shí)間:2024-03-14
      頁(yè)數(shù): 62
      5人已閱讀
      ( 4 星級(jí))
    • 簡(jiǎn)介:華中科技大學(xué)碩士學(xué)位論文基于自制嵌入式ARM9平臺(tái)的LINUX26移植姓名辛鑫申請(qǐng)學(xué)位級(jí)別碩士專業(yè)電路與系統(tǒng)指導(dǎo)教師嚴(yán)國(guó)萍20080602華中科技大學(xué)碩士學(xué)位論文IIABSTRACTINTHERECENTYEARS,ASTHEFASTDEVELOPINGOFNETWORKANDMEDIATECHNOLOGY,THEREAREMOREANDMOREAPPLICATIONSONNETWORKASFORTHEDIGITALMONITORINGSYSTEM,ANEWTREND,USINGINTERNETTECHNOLOGY,ISONTHEHORIZONAMAINJOBINTHISAPPLICATIONISTOIMPLEMENTANEMBEDDEDLINUXSYSTEMANDTOBUILDAWEBSERVERONLINUXSYSTEMTHISPAPERISBASEDONADV315HARDWARESYSTEM,DESIGNEDBYOUROWNCIRCUITLABANDTHISPAPERMAINLYRESEARCHESHOWTOTRANSPLANTLINUX26ANDSEVERALAPPLICATIONPROGRAMSTOANARM9PLATFORMFIRSTLY,BUILDINGACROSSCOMPILECHAINUSINGGCC,BINUTILS,GLIBCANDCORRECTLYSETTINGUPTFTPSERVICEONHOSTCOMPUTER,INORDERTODOWNLOADPROGRAMSINSDRAMBYTFTPSERVICESECONDLY,THISPAPERRESEARCHESINTOTRANSPLANTINGUBOOT,WHICHISOFSTRONGFUNCTION,TOTHEARM9PLATFORMASASYSTEMBOOTLOADERDURINGTHETRANSPLANTINGOFUBOOT,SMDK2410BOARDFUNCTIONSASABOARDLEVELPROTOTYPEALLMODIFICATIONSRELATEDONTRANSPLANTINGAREMADEBASEDONSMDK2410BOARDINTELFLASHTE28F128J3CANDNETWORKINTERFACECHIPDM9000ARESUPPORTEDINTRANSPLANTINGUBOOTTOARM9PLATFORMINTHELASTSTEPOFTRANSPLANTINGUBOOT,CODESUSEDTOCOPYLINUXIMAGEANDRAMDISKTOSDRAMINORDERTOBOOTLINUXAREWROTEINTRANSPLANTINGALINUX26141TOARM9PLATFORM,THEMAINJOBISTOCONFIGURELINUXKERNELCORRECTLYAND,INADDITION,ADDTHESUPPORTFORDM9000CHIPANDNORFLASHMTDDIVISIONINFORMATIONFINALLY,AROOTFILESYSTEMRAMDISKISCREATEDANDTHENBUSYBOXISTRANSPLANTEDAFTERTHAT,THISPAPERRESEARCHESTHEBOOTINGPROCESSOFBUSYBOXANDCORRECTLYSETSUPLINUXRCANDRCSINORDERTOSTARTRELATEDSERVICEANDPROGRAMSBESIDES,TWOMOREAPPLICATIONPROGRAMARETRANSPLANTEDASWELL,TINYLOGINANDATYPICALWEBSERVERBOA09413WHICHBASICALLYIMPLEMENTSALLNETSEVERFUNCTIONSTHISPAPEREXPATIATEDONHOWTOTRANSPLANTALINUX26KERNELANDSEVERALAPPLICATIONPROGRAMSTOTHEARM9PLATFORMTHISMAKESASOLIDFOUNDATIONFORBUILDINGUPAVIDEOSTREAMINGMEDIAWEBSERVERINTHEFUTUREKEYWORDSEMBEDDEDSYSTEMARMLINUX26UBOOTWEBSERVER
      下載積分: 5 賞幣
      上傳時(shí)間:2024-03-14
      頁(yè)數(shù): 61
      7人已閱讀
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    • 簡(jiǎn)介:電子科技大學(xué)碩士學(xué)位論文基于嵌入式系統(tǒng)的80211B無(wú)線網(wǎng)絡(luò)安全研究及應(yīng)用姓名張巖龍申請(qǐng)學(xué)位級(jí)別碩士專業(yè)計(jì)算機(jī)軟件與理論指導(dǎo)教師王曉斌20050226電子科技大學(xué)碩士論文基于嵌入式系統(tǒng)的802.1LB無(wú)線網(wǎng)絡(luò)安全研究及應(yīng)用ABSTRACTINTHISNEWERA,WIRELESSLANISONEOFTHEMOSTPROMISINGTECHNOLOGIESINTHEFIELDOFTELECOMMUNICATION.HOWEVER,ITSHOULDHAVEMORESTRICTMIASURESTOCOMMUNICATESECURELYFORITSOPENNESSOFWIRELESSMEDIA.IFSECURITYPROBLEMSARENOTSOLVEDCORRECTLY,THEYWILLRESTRICTTHEDEVELOPMENTOFWLAN.ALAS,ASWECANSEEFROMTHECURRENTSITUATION,SECURITYLAGSFARB碉AINDAPPLICATION.BUTITISSONEWTHATFEWWORKONIT.IDESCRIPT802.11BINSEVERALASPECTS,INCLUDINGACCESSCONTROL,KEYMANAGEMENT,DATATRANSFER.TOFULLYUNDERSTANDIT,LSYSTEMATICALLYSTUDIED802.11RELATEDSTANDARDS,THEORYOFAPPLIEDCRYPTOGRAPHYANDOTHERPROTOCOLSABOUTNETWORKSECURITY.ATTHEMEANTIME,IPUTFORWARDSOMEVIEWPOINTSABOUTIT.FIRSTLYIANALYZETHELATESTDEVELOPMENTABOUTWLAN.THENINTRODUCETHEWORKABOUTSTUDYINGANDDEVELOPMENTINWLAN.THEWLANINTHISPROJECTISBASEDONANIPCAMERASYSTEM,THESECURITYISSTRENGTHENEDTHROUGHREVISINGTHEWLAN,THEIMPROVEMENTSFORTHESECURITYOFWLANINCLUDETHEFOLLOWINGTWOASPECTSFIRSTLYISTHEIMPROVEMENTFORTHEAP.THISISBASEDONLINUXANDSOMEOFSOURCECODESWHICHHAVEEXISTED.ISTUDYTHEMANDREVISESOMEOFTHEMANDTHENBUILDASUITABLESOFTAP.SECONDLYISTHEWLANCARDDRIVERDEVELOPMENT.THISISBASEONVXWORKSPLATFORM。KEYWORDSWLAN,IEEES02.11,IEEE802.1IB,SECURITY,LINUX,VXWORKSII
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    • 簡(jiǎn)介:電子科技大學(xué)碩士學(xué)位論文基于嵌入式LINUX的USB20OTGIP驅(qū)動(dòng)程序研究與設(shè)計(jì)姓名熊明申請(qǐng)學(xué)位級(jí)別碩士專業(yè)通信與信息系統(tǒng)指導(dǎo)教師林水生20090501ABSTRACTABSTRACTBECAUSEOFTHEFEATURES,.SUCHASPLUGPLAY,HIGHSPEEDFORDATAEXCHANGING,THEUNIVERSALSERIALBUSUSBINTERFACEHASBEENBECOMINGAPOPULARUNIVERSALINTERFACEFORPORTABLEPERIPHERALS.HOWEVER,ITSTILLDOESNOTCOMMUNICATEBETWEENTWOPEPHERALSWITHOUTHOSTSUPPORT.FORTUNATELY,THERELEASEOFONTHEGOOTGSUPPLEMENTCOMPLETELYOVERCOMETHISPROBLEM.ANYEQUIPMENTWITHUSBOTGDEVICECANNOTONLYCOMMUNICATEWITHPERSONALCOMPUTER,BUTALSODIRECTLYEXCHANGEDATA、析TLLOTHEREQUIPMENTSBYUSBINTERFACEWITHOUTHOSTORCOMPUTERASABRIDGE.MEANWHILE,LINUXOSHASBEENBECOMINGAWIDELYUSEDEMBEDDEDOPERATINGSYSTEMBECAUSEOFTHEADVANTAGES,SUCHASOPENSOURCE,F(xiàn)REE,ANDSOON.THEKEYOFOTGFUNCTIONIMPLEMENTLIESINTHEINTEGRATEDCIRCUITSFORUSBOTGANDITSDRIVERS.INTHISPROJECT,USBOTGDRIVERBASEDONEMBEDDEDLINUXOSISDESIGNED,ANDBYUSINGSELFDESIGNEDUSB2.0OTGIP,THEOTGFUCTIONISIMPLEMENTED.THISDISSERTATIONFIRSTDISCUSSESTHEWHOLEFRAMEOFUSB2.0OTGIP,INCLUDINGEHC,OHC,DEVANDOTG;THEN,ANALYSISTHEUSBDRIVERSYSTEMOFEMBEDDEDLINUXINDETAIL,INCLUDINGTHEUSBDRIVERSYSTEMOFHOSTANDDEVICE,RELATIVEDATASTRUCTURESANDFUNCTION,ASWELL罄THEWORKINGTHEORYOFOTGDRIVER.ANDTHEN,ACCORDINGTOTHEDESIGNDEMANDOFUSB2.0OTGIP,THESYSTEMDRIVERARCHITECTUREISPRESENTED,WHICHINCLUDESOTGDRIVER,HOSTDRIVERANDDEVICEDRIVER.FINALLY,THISDISSERTATIONDESCRIBESTHESCHEDULINGALGORITHMOFUSBDRIVER,ANDDESIGNSTHEDRIVERFORTHEUSB2.0OTGIPBASINGONTHEEMBEDEDLINUXOS.INTHEEND,THISDISSERTATIONBRIEFLYINTRODUCESTHEPLATFORMFORTHEHARDWAREANDTHESOFTWARETESTING,ASWELLASTHEMETHODOFDRIVERDEBUGGING.THECONTENTSOFTHEDRIVERTESTING,SOMETESTINGRESULTSANDTESTINGCONCLUSIONSALEALSOINTRODUCED.AFTERANALYSINGTHETESTINGRESULT,THEDRIVERANDUSB2.0OTGIPACHIEVETHEEXPECTINGGOALOFUSBHOSTFUNCTION,USBDEVICEFUNCTIONANDOTGFUNCTION,WHICHLAYSTHEFOUNDATIONFORTHEFURTHERDEVELOPMENTOFOTGAPPLICATION.KEYWORDSUSBINTERFACE,OTGEMBEDEDLINUXOS,ARM,USBDRIVERIL
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    • 簡(jiǎn)介:浙江工業(yè)大學(xué)碩士學(xué)位論文基于嵌入式系統(tǒng)和CAN總線技術(shù)的自動(dòng)售貨機(jī)控制系統(tǒng)開(kāi)發(fā)姓名繆仁將申請(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)教師余世明20070401浙江工業(yè)大學(xué)碩士研究生論文根據(jù)設(shè)計(jì)的系統(tǒng)結(jié)構(gòu)劃分系統(tǒng)任務(wù)并給出了任務(wù)調(diào)度流程。另外,對(duì)控制系統(tǒng)間通信代碼作了約定說(shuō)明。最后,對(duì)冷熱飲料自動(dòng)售貨機(jī)進(jìn)行了實(shí)驗(yàn)室模塊調(diào)試和整機(jī)現(xiàn)場(chǎng)調(diào)試。結(jié)果表明本文所采用的嵌入式ARM處理器及CAN通信技術(shù)的自動(dòng)售貨機(jī)控制系統(tǒng)設(shè)計(jì)達(dá)到了預(yù)期要求,運(yùn)行情況良好。關(guān)鍵詞自動(dòng)售貨機(jī),ARM處理器,CANBUS,C/OSII實(shí)時(shí)操作系統(tǒng)
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    • 簡(jiǎn)介:中圖分類號(hào)里三窆論文編號(hào)學(xué)科分類號(hào)主2Q魚(yú)Q密級(jí)安徽理工大學(xué)碩士學(xué)位論文基于嵌入式LINUX的IPTV2.0機(jī)頂盒的設(shè)計(jì)與實(shí)現(xiàn)作者姓名王。整專業(yè)名稱進(jìn)篡扭廑旦撞本研究方向送△這丕統(tǒng)導(dǎo)師姓名潘絲撻塾援導(dǎo)師單位讓篡扭型堂墨王猩堂院答辯委員會(huì)主席論文答辯日期2012年5月30日安徽理工大學(xué)研究生處2012年6月6日獨(dú)創(chuàng)性聲明本人聲明所呈交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。據(jù)我所知,除了文中特別加以標(biāo)注和致謝的地方以外,論文中不包含其他人已經(jīng)發(fā)表或撰寫過(guò)的研究成果,也不包含為獲得塞徽理王太堂或其他教育機(jī)構(gòu)的學(xué)位或證書而使用過(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)均已在論文中作了明確的說(shuō)明并表示謝意。學(xué)位論文作者簽名墨塹日期絲陵年』月上日學(xué)位論文版權(quán)使用授權(quán)書本學(xué)位論文作者完全了解塞垡堡王太堂有保留、使用學(xué)位論文的規(guī)定,即研究生在校攻讀學(xué)位期間論文工作的知識(shí)產(chǎn)權(quán)單位屬于盥堡王太堂。學(xué)校有權(quán)保留并向國(guó)家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和磁盤,允許論文被查閱和借闐。本人授權(quán)安徽理工大學(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,可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。保密的學(xué)位論文在解密后適用本授權(quán)書學(xué)位論文作者簽名互靜簽字日期ZO/Z年石月J2日導(dǎo)師簽名\和抓簽字日期糾2年易月F2,日
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    • 簡(jiǎn)介:武漢理工大學(xué)碩士學(xué)位論文基于嵌入式WINCE60的PMP系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)姓名張仲達(dá)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師方安平20090501ABSTRACTINRECENTYEARS,ASTHEDEVELOPMENTOFSEMICONDUCTORANDMICROELECTRONICSTECHNOLOGY,THEEMBEDDEDSYSTEMSWHICHINTHECOREOFEMBEDDEDCOMPUTERTECHNOLOGYHASBEENDEVELOPPEDRAPIDLY.WITHTHEIMPROVEMENTOFPEOPLE’SCONSUMPTIONLEVEL,AVARIETYOFCONSUMERELECTRONICSHASWELLUP.IILTLLEMOBILESTORAGEDEVICESFIELD,THELIMITEDCAPACITYOFTHEFLOPPYDISKHASBEENGRADUALLYREPLACEDBYFALSHMEMORY,THEMOBILEHARDDISKHASCURRENTLYBECOMEONEOFTHEMOBILEMASSSTORAGEDEVICES.INTHEFIELDOFMULTIMEDIACONSUMERELECTRONICS,THEINITIALSIMPLEAUDIOPLAYERHASGRADUALLYBEENREPLACEDBYAUDIOANDVIDEOCONSUMERELECTRONICSDEVICES.HOWEVER,SIMPLEMOBILESTORAGEFUNCTIONORSIMPLEAUDIOANDVEDIOPLAYERHASNOTBEABLETOMEETTHEDIVERSENEEDSOFUSERS,THEAUDIOPLAYBACKSYSTEMNOTHAVEGUIGRAPHICALUSERINTERFACEHAVEINCREASINGLYEXPOSEDDISADVANTAGE.INSUCHCASE,THISPAPERDESIGNEDABEUERVISUALIZATION,MODULAR,EXTENSIBLE,PORTABLEMULTIMEDIAPLAYERPMPDEVICEBASEDONTHESTRUCTUREOF32BITARMMICROPROCESSOR.ITPROVIDEAVERYGOODDRAWFORDEVELOPMENTOFMULTIFUNCTIONALPORTABLEELECTRONICDEVICESANDHASACERTAINPRACTICALSIGNIFICANCE.INADDITION,TAKEINTOACCOUNTTHECONSUMERELECTRONICSINTERFACEFORHUMANCOMPUTERINTERACTIONREQUIREMENTS.ASWELLASTHELATEREPLACEMENTPRODUCTUPGRADES,THISPAPERINTRODUCEAPOWERFULEMBEDDEDREALTIMEOPERATINGSYSTEMWINCE6.0ASTHEIMPLEMENTATIONOFTHEDEVELOPMENTOFTHEENTIREPLATF01T11,WHICHISANINNOVATIVEOFTHISARTICLE.THISPAPER.INTHECOURSEOFTHEDESIGNOFHANDHELDDEVICES,BASEDONCOMMONALITY,PORTABILITY,LOWPOWERCONSUMPTION,USINGTHEEMBEDDEDDEVELOPMENTMETHODOLOGY,ANALYSISTHEREQUIREMENTOFMULTIMEDIAMOBILESTORAGETERMINALSANDWORKOUTTHEHANDHELDDEVICESTRUCTURE.SUCCESSFULTRANSPLANTATIONOFEBOOTANDEMBEDDEDWINCEOPERATINGSYSTEM,WHICHACCOMPLISHEDTHESOFTWAREBUILDINGOFTHEPLATFORM,ANDBASEDONTHISPLATFORM,RELATIZEDTHEDEVICEDRIVERSSUCHASHARDDRIVE,AUDIOANDSOON.INORDERTOFACILITATETHELATERPRODUCTUPGRADING,THEEBOOTISIMPROVEDINTHISARTICLE,WHICHISALSOANINNOVATIONPOINTOFTHISARTICLE.ATDESIGN.DRIVEN。12CBEENEXTRACTEDINTOASEPARATE12CSTREAMINTERFACEDRIVERFORTHESYSTEMTOINITIALIZETHECHIPOFTHEOTHERMODULES,N
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    • 簡(jiǎn)介:碩士學(xué)位論文申請(qǐng)人姓名銀兵指導(dǎo)教師李泉溪教授專業(yè)名稱控制理論與控制工程研究方向智能控制與信息處理技術(shù)河南理工大學(xué)河南理工大學(xué)電氣工程與自動(dòng)化電氣工程與自動(dòng)化學(xué)院學(xué)院二○一○二○一○年十二月基于基于Μ’NSP?處理器的嵌入式語(yǔ)音處理器的嵌入式語(yǔ)音控制技術(shù)研究控制技術(shù)研究中圖分類號(hào)中圖分類號(hào)TN912密級(jí)公開(kāi)級(jí)公開(kāi)UDCUDC6213單位代碼單位代碼10460基于Μ’NSP?處理器的嵌入式語(yǔ)音控制技術(shù)研究RESEARCHOFEMBEDDEDSPEECHCONTROLTECHNOLOGYBASEDONΜ’NSP?PROCESSOR申請(qǐng)人姓名申請(qǐng)人姓名銀兵銀兵申請(qǐng)學(xué)位申請(qǐng)學(xué)位工學(xué)碩士工學(xué)碩士學(xué)科專業(yè)學(xué)科專業(yè)控制理論與控制工程控制理論與控制工程研究方向研究方向智能控制與信息處理智能控制與信息處理技術(shù)技術(shù)導(dǎo)師導(dǎo)師李泉溪李泉溪職稱職稱教授教授提交日期提交日期201012答辯日期答辯日期201012河南理工大學(xué)
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    • 簡(jiǎn)介:廣東工業(yè)大學(xué)碩士學(xué)位論文基于WINDOWSCENET的嵌入式控制系統(tǒng)關(guān)鍵技術(shù)研究姓名閆荷花申請(qǐng)學(xué)位級(jí)別碩士專業(yè)控制理論與控制工程指導(dǎo)教師王欽若20070601廣東工業(yè)大學(xué)工學(xué)碩士學(xué)位論文ABSTRACTWITHTHEDEVELOPM∞TOFCONTROLSCIENCEANDCOMPUTERSCIONCO,THEEMBEDDEDSYSTEMSBASEDONEMBEDDEDOPERATINGSYSTEMSANDMICROPROCESSORSCHARACTERIZETHELOWCONSUMPTION,HIGHDEPENDABILITY,咖.THUS,THEEMBEDDEDSYSTEMSAREWIDELYUSEDFORINDUSTRYCONTROL,CONSUMPTIONELECTRON,NETWORKCOMMUNICATION,ETC.THEPAPERANALYSESTHERELATEDWORKOFTHEEMBEDDEDCONTMLSYSTOMGANDFURTHERRESEARCHESTHEAPPLICATIONOFWINDOWSCE.NETINTHEINDUSTRYCONTR01.THENCOMBINEDWITHTHEDESIGNPROCESSOFCONTROLSYSTEMBASEDONWINDOWSCE.NET,SEVERALVITALASPECTSARCPRESENTEDFORSIMILARDEVELOPMENTOFCONTROLSYSTEMS,NAMELY,HARDWAREDESIGN,DEVICEDRIVERDEVELOPMENT,PERFORMANCEANALYSISFORTHECONTROLSYSTEMS.SOTHETITLEOFTHEPAGERISTHEKEYTECHNOLOGYRESEARCHOFEMBEDDEDCONTROLSYSTEMSBASEDONWINDOWSCE.NET.FIRST,THEPAGERANALYSESSMLCTLL∞OFWINDOWSCE.NET,RC百ST盯TABLE,PROCESS,THREADANDMANAGEMENTOFMEMORYBEFOREILLUMINATINGTHEKEYTECHNOLOGYBECAUSETHISISTHEBASEFORSTUDYINGCONTROLSYSTEMSBASEDONWINDOWSCE.NET.SECONDLY,THEEMBEDDEDADOPTEDCOMPUTERISPCM5820,WHICH哪ORTSPC/104BUSTHATISANINDUSTRYCONTROLBUSSPECIALLYDEFINEDFOREMBEDDEDCONTROL;ITISWIDELYUSEDANDDEFINEDIEEEP966.1BYIEEEASSOCIATION.THETIMERANDDIGITALI/0AREDESIGNEDBASEDONPC/104VIAANALYZINGTHEREQUIREMENT,ATTHESAMETIME.THEKEYPRINCIPLEFIGUREISPROVIDED.THIRDLY,INTERRUPTPROCESSESANDDEVICEDRIVERTYPESOFWINDOWSCE.NETAREANALYZEDANDTHEDRIVERSOFTIMERANDDIGITALFOAREIMPLEMENTEDBYSTREAMINTERFACEMODE.ANDTHECORECODEOFDRIVERANDREGISTERTABLEFILEA∞PROVIDED.FINALLY,THEJITTERCAUSEDBYREALTIME∞HEDULINGISESPECIALLYINTRODUCED,ANDTHEJITTERANDSCHEDULABILITYARCSIMULATEDBYJITTERBUGANDTURETIME,WHICHISHELPFULFORTHECOMPLICATEDCONTROLSYSTEMDEVELOPMENT.KEYWORDSWINDOWSCE.NET;PC/104;DRIVER;MUITITASKSCHEDULING;JITTER2
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    • 簡(jiǎn)介:華北電力大學(xué)(北京)碩士學(xué)位論文基于WINDOWSCENET和ARM9內(nèi)核微處理器的嵌入式監(jiān)控系統(tǒng)通信接口的研究與開(kāi)發(fā)姓名王晏晏申請(qǐng)學(xué)位級(jí)別碩士專業(yè)控制理論與控制工程指導(dǎo)教師呂躍剛20060501摘要目前業(yè)內(nèi)的PROFIBUSDP主站搭建基本上都采用了“PCASPC?2西門子公司推出的智能通信芯片”的方案,但從技術(shù)公開(kāi)程度、價(jià)格以及嵌入式系統(tǒng)的優(yōu)勢(shì)等諸多方面考慮,我們自行設(shè)計(jì)和開(kāi)發(fā)了基于DP現(xiàn)場(chǎng)總線協(xié)議的通信卡,并且將它用于嵌入式系統(tǒng)的背景中,這是一個(gè)全新的嘗試。我們的嵌入式智能監(jiān)控系統(tǒng)使用基于ARM9內(nèi)核微處理器的SAMSUNG公司的3C2410作PROFIBUSDP現(xiàn)場(chǎng)總線的主站,通過(guò)通信接口卡的RS一485串行接口與現(xiàn)場(chǎng)的各個(gè)智能從站進(jìn)行通信。本文介紹了由WINDOWSCE.NET操作系統(tǒng)和SAMSUNG3C2410組成的嵌入式監(jiān)控系統(tǒng),并且將其運(yùn)用于基于PROFIBUSDP現(xiàn)場(chǎng)總線協(xié)議的主站搭建。詳細(xì)介紹了PROFIBUSOP通信機(jī)制和WINDOWSCE.NET的內(nèi)核,重點(diǎn)闡述了主站軟件平臺(tái)的搭建和WINDOWSCE.NET下的設(shè)備驅(qū)動(dòng)程序的實(shí)現(xiàn)。關(guān)鍵詞WINDOWSCE.NET,主站通信卡,PROFIBUSDP,驅(qū)動(dòng)程序,刪9ATPRESENT.THEINTELLIGENTPROTOCOLCHIP一/LSPC2TOSETUPTHEPROFIBUSDPMASTERSTATIONA坨SOOFTENUSED.INCONSIDERATIONOFTHEPRICEOFTHEPROJECTANDTHEADVANTAGEOFTHEEMBCDDCDSYSTEM,WCCHOOSETHEPROFIBUSDPPROTOCOLCARD,WHICHISDEVELOPEDBY吣LVES.ANDWEPUTITINTOTHEEMBEDDEDSYSTEMSETBYWINDOWSCE.NETARMG.ITISATOTALLYILCWTRIAL.OUREMBEDDEDMASTERSTATIONISBASEDONTHEMICROOFTWINDOWSCE.NETOPERATINGSYSTEMOSANDTHESAMSUNGS3C2410MAINLXMRD.ITCOMMUNICATESWITHITSSLAVESTATIONSTHROUGHTHERS485SERIALPORTTHATISINTHEDPCARD.ABRIEFINTRODUCTIONOFTHEEMBEDDEDINTELLIGENTMONITORINGSYSTEM,WHICHISBASEDONTHEEMBEDDEDOPERATIONSYSTEMOFWMDOWSCE.NETANDARM9,ISPROVIDED.THEPRACTICALAPPLICATIONOFPROFBUSDPINTHISSYSTEMISRESEARCHED.THEMASTERSTATIONPROTOCOLCHIP,DPPROTOCOLCARDISDISCUSSEDINDETAILS.THEDEVELOPMENTOFTHESOFTWAREAFFORMANDTHEDEVICEDRIVEROFTHEDPPROTOCOLCARDAREPLESENTED.WANGYANYANAUTOMATIONDEPARTMENTDIRECTEDBYPROFESSORLVYUEGANGKEYWORDSWINDOWSCE.NET,MASTERSTATIONPROTOCOLCHIP,PROFIBUSDP,ARM9,DEVICEDRIVER
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