-
簡介:浙江大學信息科學與工程學院碩士學位論文具有QOS機制的嵌入式網絡智能監(jiān)控系統(tǒng)設計姓名王維寧申請學位級別碩士專業(yè)電路與系統(tǒng)指導教師金心宇20080501浙江大學碩士論文ABSTRACTTRADITIONALLY,SURVEILLANCESYSTEMSREQUIREMANUALOPERATION,MAKINGTHESYSTEMFALLIBLEANDSLOWINRESPONSE.WHAT’SMORE,MOSTSURVEILLANCESYSTEMSINUSETODAYPROVIDEVIDEOSERVICEATLOWBITRATEANDLOWFRAMERATE,CAUSINGLOSSINSURVEILLANCEQUALITY.THUSENHANCINGTHEQ試ITYOFSERVICEWIMQOSMECHANISMANDIMPLEMENTINGPATTEMRECOGNITIONTECHNOLOGYTODEVELOPANAUTOMATICSURVEILLANCESYSTEMHAVESIGNIFICANTPRACTICALMEANING.INTHISTHESIS,WEADDRESSTHEDESIGNANDIMPLEMENTATIONOFANEMBEDDEDAUTOMATICSURVEILLANCESYSTEM,BASINGONTHEC7EMBEDDEDPLATFORM.WITHREGARDTOTHEREQUIREMENTOFQUALITYOFSERVICE,WEPROPOSEDATRANSMISSIONMECHANISMFORIMPROVINGTHEQUALITYOFREALTIMEMULTIMEDIASURVEILLANCESERVICE.BYIMPLEMENTINGANENCODINGSTRATEGYFORDATATRANSMISSIONINCHANNELS、衍T王LK啦PACKAGELOSSRATE,WEIMPROVEDTHEQUALITYOFVIDEOSERVICEANDSOLVEDTHEPROBLEMOFRELIABLEMULTIMEDIADATATRANSMISSION.FURTHERMORE,OURRESEARCHANDIMPLEMENTATIONOFAUTOMATICSURVEILLANCESYSTEMGREATLYIMPROVEDTHEAUTOMATICITYOFSURVEILLANCESYSTEMS.THETHESISDOCUMENTEDTHEREQUIREMENTANALYSIS,MODULEDESIGNANDALGORITHMIMPLEMENTATION,INCLUDINGTHEDIVISIONOFFUNCTIONALMODULES,DESIGNOFTHEQOSMECHANISMANDTHEIMPLEMENTATIONOFAUTOMATICSURVEILLANCE.TESTRESULTSSHOWTHATTHEPERFORMANCEOFTHESYSTEMMEETSREQUIREMENTSANDTHATTHESYSTEMGREATLYPROMOTEDTHEEFFICIENCYANDQUALITYOFSURVEILLANCE.THESYSTEMISVERYPRACTICALANDFORWARDLOOKING.KEYWORDSEMBEDDEDSYSTEM,REALTIMEVIDEOSURVEILLANCE,NETWORKTRANSMITTION,QUALITYOFSERVICE,PATTEMRECOGNITIONII
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 83
大小: 7.26(MB)
子文件數:
-
簡介:復旦大學碩士學位論文低成本可重USB20SIE核及其嵌入式應用研究姓名林一帆申請學位級別碩士專業(yè)微電子學與固體電子學指導教師曾曉洋20070525摘要作為通用串行總線,USB具有連接結構簡單、支持熱插拔、可擴展性強、功耗小等眾多優(yōu)點。1996年,USBL.0標準發(fā)布;1998年,在對1.0版本標準進行修改之后,更加成熟豹USBI,L標準正式發(fā)密。麗USB2.0振準在2000年發(fā)表,它巍增了毫逮穰或,將傳輸遽攀由L。L箴本黢12MBPS穗離翔480MBPS。經過卡余舉的發(fā)展,USB接口現在融經被數字產懿廣泛應用。隨著目前片上系統(tǒng)SOC發(fā)展的趨勢,將USB接豳與整個系統(tǒng)結合來實現單片集成可以大大降低系統(tǒng)的成本。為此,針對片上系統(tǒng)需求,需要設計可重利瘸REUSABLE豹USB2。0接墨臻駭,矮戮替錢鑫猿立芯片交瑰囂USB接掰。穰據上述需求和實際應用的要求,本論文提出了一稀硬件可裁減、軟侔可配羲的低成本USB2,0數字接口引擎SIE的IP核。在焱持USB2.0商速模式,以及協(xié)議定義的控制傳送、批嫩傳送、中斷傳送和同步傳送四種傳輸模_式的同時,充分保持了瓔軟瓣靈活性糟核瓣片上惑線接日靈活易改,可以方便實現對各耱片上總線標漆嬲支持;P菝支耪的滾熹數、配置靜緩存RAM大,J、W在綜合露任意裁減;而每個端點的用途、工作時的屬性和分配到的緩存大4,N究全由軟件配擻。這使得本IP核可以滿怒各種應用的不同需求。同時,根據USB總線時分復用的特性,本文采用了所有端點共享固~綴存SRAM的策略,減少了綴存RAM占舔黲電籍囂獲,降低了整令設詩熬成本。為在實現充分口核驗證的同時盡爨縮短驗證時湔,本文撼出了基予BOOTLOADER的FPGA驗證技術GENIE,該驗證方案不僅適用于本IP核的驗證,同時也適合各種麓于CPU豹SOC系統(tǒng)。勇務,本文瞧磅完了零USB2。0SIEIP孩在三款不弼穩(wěn)槳茲售惠安全冀上系統(tǒng)蒜片中的嵌入姣應用,以及配合本臻棱所進行鮑避~步軟硬件開笈,迸一步驗誠該IP核的藏本功能和所能達到的性能技術指標。關鍵詞USB2。0、IP棱、SOC、AMBA、舞步時鋒壤數據交換、低成零、翠核一驗證孛燙分類號“124402
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 70
大?。?2.49(MB)
子文件數:
-
簡介:學校代碼10270分類號學號122502319碩士專業(yè)學位論文“嵌入式”“嵌入式”自畫像自畫像創(chuàng)作的探索與嘗試創(chuàng)作的探索與嘗試走進維米爾時代的生活走進維米爾時代的生活專業(yè)學位類別藝術專業(yè)領域美術作者姓名王蓉指導教師孫化一、徐立答辯日期2015年5月27日ABSTRACABSTRACTTHEPAPER’SSUBJECTISAROUNDSELFPORTRAITSERIALSTHEWORKS,INSTEADOFEXPRESSINGSOMECONCEPTS,AREATTEMPTINGTOEXPLOREAPATTERNOFMANIFESTATIONOFPORTRAITURES,WHICHARETAKINGMYSELFASACREATIONOBJECT,GIVINGMETHEBIGGESTFREEDOMMOSTTRADITIONALPORTRAITURESHAVEBEENPORTRAITCENTERED,RESULTINGINSOMESTYLIZATION,WHATEVERTHEPICTURES’FRAMEWEREDESIGNEDTHERENOWNEDWORKLASMENINAS,DRAWNBYVELASQUEZPAINTERISACORNERASASUPPORTINGROLEINTHEPICTURE,BUTALSOCANCOMPLETEEXPRESSTHEIRINNERWORLD,ISADISTINCTIVESELFPORTRAITSINSPIREDBYSOLUTEVERMEER,ASERIESOFPAINTINGDRAWNBYJINSHANGYI,ITHINKOFVERMEER’SCLASSICWORKSCANBECOMBINEDWITHASELFPORTRAITBYDOINGSO,ICANREALIZEMYCREATIONANDEXPRESSMYRESPECTANDMEMORIALFORTHEMASTERTHEREASONWHYITAKEVERMEERS’WORKSASSETTINGSOFPORTRAITUREISTHATIWANTTOEXPLOREWHATICALL‘EMBEDDEDPATTERN’FORTHEART,WHICHMEANSYOUCOULDCREATEAPAINTINGBYPLACINGMODERNPEOPLEINTOCLASSICSYOULIKETHISSETOFCREATIONSISBASEDUPONVERMEERS’WORKSANDLOYALTOITSCLASSICALMOOD,BUTOBVIOUSLYTHEORIGINALSHAVEBEENCHANGEDDRAMATICALLYANDHAVEINTERESTINGCONTRASTSWITHNEWWORKS,VISUALLYFEELINGSOMEILLUSIONSOFPERVERSIONOFTIMEANDSPACEPEOPLEANDOBJECTSINMYWORKSCONSISTOFAVIRTUALWORLD,COMINGFROMMYIMAGINATIONOFPEOPLE,OBJECTSANDTHEIRLIVINGSFOURCENTURIESAGOUNLIKEVERMEERS’WORKSPURSUINGREPRODUCTIONOFREALITY,MINEISTOPURSUEEXPRESSIONOFIDEALIZATIONWHATIWANTTOEXPRESSISNOTAUNITYOFOBJECTIVEPHENOMENONANDTHEPICTURE,BUTTHESUPERPOSITIONOFMINDANDILLUSIONIAMATTEMPTINGTOEXPRESSMYWILLINGNESSANDIDEALSTHROUGHSELFPORTRAIT,WHICHCANREFLECTPLAINANDWARMLIFEILOVE,ANDBYWHICHCANCHASEANDRECALLFOOTPRINTOFMASTERINASIMILARBUTDIFFERENTWAY,THETIMEDISTANCEANDSPATIALDISTANCEINTOTHEWORKSINSPACECONVERSIONWILLWORSHIPANDRESPECTPASSEDTOVERMEER,ISALSOTRANSMITTEDTOTHECURRENTAUDIENCEKEYWORDSKEYWORDSREALISMSELFPORTRAITEMBEDDEDPATTERN’
下載積分: 5 賞幣
上傳時間:2024-03-12
頁數: 39
大?。?3.01(MB)
子文件數:
-
簡介:ATHESISSUBMITTEDTOZHENGZHOUUNIVERSITYFORTHEDEGREEOFMASTERTHEAPPLICATIONRESEARCHONWINCE6.0EMBEDDEDSYSTEMUSEDINTHEPORTABLEROMANSPECTROMETERBYLIYEGAOSUPERVISORPROF.YANLIDUOPTICALENGINEERINGSCHOOLOFPHYSICALENGINEERINGMAY,2013摘要摘要隨著技術的進步,尤其是現場檢測的需要,便攜式拉曼光譜儀的需求越來越多。打破幾大國外品牌在該領域的壟斷地位,開發(fā)出擁有我國自主知識產權的便攜式拉曼光譜儀技術與儀器,具有十分重要的意義。本文的應用研究是基于拉曼散射的物理學原理基礎,利用殼層隔絕納米粒子增強拉曼光譜SHINERS技術,提高了拉曼光譜檢測靈敏度,同時也增強了其空間分辨率,使得拉曼光譜分析技術更加適用于痕量物質檢測領域及市場。為了設計出與SHINERS技術相匹配的便攜式拉曼光譜儀,本文根據其工作原理對便攜式拉曼光譜儀系統(tǒng)進行了總體設計,根據設計要求及相關參數選擇合適的軟硬件組成系統(tǒng)。便攜式拉曼光譜儀的WINCE6.0嵌入式系統(tǒng)由一款基于ARML1內核的3C6410芯片為微處理器和WINCE6.0嵌入式操作系統(tǒng)所組成。便攜式拉曼光譜儀嵌入式應用程序的設計是在.NETCOMPACTFRAMEWORK2.0基礎上,使用C≠}語言,通過VISUALSTUDIO2005集成開發(fā)環(huán)境開發(fā)出來;具有光譜儀的參數設置、光譜數據的采集、預處理、存儲以及光譜圖形顯示等功能擁有良好的用戶交互界面、移植性好、便于操作。最后通過相關樣品的實驗測試,證實該便攜式拉曼光譜儀的嵌入式應用程序運行精確流暢,滿足設計要求。關鍵詞拉曼光譜SHINERS技術WINCE6.0嵌入式系統(tǒng)3C6410C撐嵌入式應用程序
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 56
大小: 9.05(MB)
子文件數:
-
簡介:Y1099013碩士研究生學位論文新疆大學論文題目中文論文題LJ英文研究生姓名學科、專業(yè)學位類別研究方向導師姓名職稱WINDOWSCENET嵌入式操作系統(tǒng)本地化研究及實現THERESE{TRCHANDREALIZATIOTLOFLOCALIZEDWINDOWSCENETEMBEDDEDOPERATINGSYSTEM努爾麥麥提優(yōu)魯瓦斯計算機應用技術工學碩士網絡技術應用吾守爾斯拉術教授博導論文答辯日期2007年6月2日學位授予日期2007年月口鋱3ABSTRACTMICROSOFTWINDOWSCE.NETOCCUPIESTHEDOMINANTSTATUSINEMBEDDEDOPERATINGSYSTEMS.CHINESEVERSIONOFWINDOWSCE.NETALREADYWIDELYAPPLIEDINTHEDOMESTICMARKET.ALONGWITHPOPULARIZATIONOFEMBEDDEDINTELLIGENCEEQUIPMENT,REALIZATIONSOFLOCALIZEDWINDOWSCE.NETHAVEBECOMETHEIMPORTANTTECHNICALISSUEWHICHURGENTLYNEEDSTOSOLVEINTHEDEVELOPMENTOFXINJIANGNATIONALECONOMYANDTHESOCIETY.THISPAPERINCLUDESTHESUMMARYOFRESEARCHINGONTHELOCALIZATIONOFWINDOWSCE.NET。THEMAINLYSOLVEDISSUEASBELOW.1COMBINETHEDEVELOPMENTEXPERIENCEOFREALIZATIONOFUYGHURINFORMATIONPROCESSINGBASEDONWINDOWSDESKTOPVERSION,HASANALYZEDANDDISSECTEDTHEMAINSYSTEMSTRUCTUREOFWINDOWSCE.NET,HASMASTEREDTHEKEYTECHNOLOGYJUST1IKESYSTEMMODEL.INTERNATIONALIZATION,LOCALIZATIONOFWINDOWSCE.NETOPERATING.2THROUGHDISSECTEDFONTMECHANISMOFWINDOWSCE.NET,HASESTABLISHEDTHEUYGHURFONTS,ANDHASPROVIDEDTHEFOUNDATIONOFDISPLAY,PRINTUYGHURSCRIPTSONWINDOWSCE.NET.3THROUGHDEVELOPEDINPUTMETHODPROCEDURE,HASREALIZEDTHEUYGHURKEYBOARDINPUTANDTHESOFTWAREBASEDKEYBOARDINPUTONWINDOWSCE.NET.4THROUGHANALYZEDTHEINTERNATIONALIZATIONANDTHELOCALIZATIONMECHANISMOFWINDOWSCE.NET,HASDESIGNEDUYGHURLOCALIZATIONENVIRONMENT,ANDUSEDTHECOMPILEANDDECOMPILEFUNCTIONOFRESOURCESCOMPILER,HASEXTRACTEDWINDOWSCE.NETGRAPHICALUSERINTERFACERESOURCESANDLOCALIZEDTHEM,HASCONSTRUCTEDUYGBURGRAPHICALUSERINTERFACERESOURCESWHICHBASEDONWINDOWSCE.NETPLATFORM,ANDREALIZEDTHESUPPORTOFUYGHURGRAPHICALUSERINTERFACEONWINDOWSCE.NET.5PROVIDEDTHESUPPORTOFUYGHURSCRIPTSFORAPPLICATIONWHICHBASEDONWINDOWSCE.NET.HASREALIZEDCUSTOMMADETOWINDOWSCE.NETKERNELANDBURNINGITINEMBEDDEDENVIRONMENTWHICHBASEDONWINDOWSCE.NET。HASCOMPLETEDTHEFULLYLOCALIZATIONOFWINDOWSCE.NET.THEDEVELOPMENTOFLOCALIZEDWINDOWSCE.NETHASTHEVITALROLETOII
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 62
大?。?1.82(MB)
子文件數:
-
簡介:2006屁研究‘L碩士學位論文一89598。{學楦代碼10269學號YS0324025霉熬滯熬箍擎碩士學位論文USB20OTG技術在嵌入式系統(tǒng)中的研究與實現TH。RESE盯CHANDIMPIEMENMLIONOFOSBOTGTECHN010黟JNELNBEDDEDSYSTEM系所_吐彗塹柱堂L摳一專業(yè)研究方向姓名指導教師計算機應聃戰(zhàn)術嵌△,TG璉_刊.蓋~王茉盥副教籃2006年1月華東師范大學計算機科學技術系ABSTRACTWITHMEDEVELOPMENTOFMLLLTIMEDIA,NETWORK,MASSSTORAGETECHNOLOGYAILDSOON,THEPERIPHERALDEVICESNEEDAMOREAILDMOREHI曲ERTRANSFERSPEEDIMERF如E.WITHTHECHALLENGC,ITALSOBRINGSABRI曲TCRFUTUREFOR也EEMBEDDEDINTERFACETECHNOLOGY。USBINTERFACEHASBEENLLILIVERSALBET、VEENPCANDPERIPHEMLDEVICES,AND恤E訂ANSFERSPEEDDEFINEDIN也EUSB2.OSPECIFICATIONHASREACHED480MB/S.THEMOREIMPORTAMM血GIS協(xié)ATUSBOTGL.0SPEC試CATIONDEVELOPEDAMC也ODTOCOMMULLICATEBETWEENTWOUSBDEVICESWI廿10UTPC,WHICHISIMPOSSIBLEBEFORE.SOMEKINDSOFOTGDEVICESHAVEAPPEAREDINTTLEMARKET,TODORESEARCHONSUCHKINDOFNEWTECHNOIOGYWITH掣EAT如NLREISVERYMEANINGML,ESPECIAUYINEMBEDDEDSYSTEMFIELD.NEM萄ORPURPOSEOFUSBIFTORELEASEUSB0TGL.OSPEC篩CATIONISTOIM蘆OVETHECONLLNUILICATIONABILITYBET、VEENPONABIEDEVICES.111ISHASASIGNIFICANTMEANINGINEMBEDDEDSYSTEMFIELDBECAUSEUSBIMERFACEISSIMPLEANDEASYTOUSE.WIMTHEFASTDEVELOPMENTOF32BITCPUSSUCHASARM,THEPERFOMANCEOFEMBEDDEDSYSTEMHASIMPROVEDVERYMUCH.EMBEDDEDSYSTEMISUSUAILYSTABLE,SMALL,LOWPOWERAND眥IVERSAL,BUTTHECPU’SPEEDLLASREACHEDHANDRCDSOFMHZ療DMSEVERALMHZ.SO,GENERALPURPOSEUSEDEMBEDDEDSYSTEMHASBEENUSEDINHIGH.PERFOⅡNANCEAREAS.THISISHELP如LTOIINPROW吐IETECHNOLOGYOFEMBEDDEDSYSTEMINTCRFACE.THISPAPERISGOINGTODORESEARCHONUSB2.OOTGTCCHN0109Y,WHICHISUSEDINEMBEDDEDSYSTCM.INEMBEDDEDSYSTEM,MOREANDMOREHARDWAREANDSO行WARERESOURCESNEEDTOBEMANAGED,SO,ADEDICATEDMANAGERISNEEDEDINSUCHACOMPLEXSYSTEM,T11EMANAGERISSOCAUEDEⅡ1BEDDEDOSOPERATINGSYSTEM.EMBEDDEDOSISNOTASCOMPREHENSIVEASPCOS,ITCANBEMMMEDDOWNACCORDMGTOREQUIREMENT.NONLYMALLAGESHARDWAREAILDSO行WARERESOURCETHATISCURRENTLYIILUSE,SOME0SISSMALL,E街CIENTARLDREALTIME.NOWADAYS,MEREAREMANYEMBEDDED0SINTHEMARKET,SUCHASVXWORKS,PALMOS,NECULEUS,WMDOWSCE,UCLI刪XA11DSOON.UCLINUXISPOPULARAMONGLINUX‰SA11DMANYCOMPAILIESBECAUSEITSSOURCECODEISOPENA11D行EE.T11ISP印ERISGOINGTODORESEARCHINUCLINUXPLATFBM.BYNOW,ALTHOU曲THEREISS。MEKINDOFOTGPRODUCTS印PEAREDIILTHEMARKET,BUTTHECONTROISYSTEMOFMOSTOFMEMARESIMPLE.SO,IT’SINCONVENIEMFORMEMTOTRANSPLANTA11DREDEVELOP.EMBEDDEDSYSTEMISMOREAILDMORECOMPLEX,POWERFUIAND、VIDELYUSED.ACCORDINGT0THECUⅡEMSITUATION,IT’SNECESSARYTODE印RESEARCHONOTGTECHNOLOGY證
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 82
大小: 2.38(MB)
子文件數:
-
簡介:江蘇大學博士學位論文STATCOM非線性H/H混合控制與模塊化嵌入式數字系統(tǒng)研究姓名孫運全申請學位級別博士專業(yè)農業(yè)電氣化與自動化指導教師孫玉坤20080608STATCOM非線性馬肥混合控制與模塊化嵌入式數字系統(tǒng)研究有很好的自適應性,當外界環(huán)境變化或出現故障時,通過同級子系統(tǒng)之間以及子系統(tǒng)和較高層次系統(tǒng)之間的信息交換,相關層次的子系統(tǒng)的結構與功能進行調整,從而實現了整個系統(tǒng)的動態(tài)平衡,因此整個系統(tǒng)反應靈活,柔性好,可靠性高。采用標準化組件和標準化通訊接口規(guī)范,各層之間可以通過明確的接口進行交互,因此不需要關心層內結構的細節(jié)。各個組件一般實現不同的功能范疇,要求功能相對獨立,組件之間耦合為松耦合。這樣可以實現所謂的“即插即用”功能,并使得控制軟件的調試、維護和升級都得到簡化。隨后,在硬件設計方面,詳細地設計了基本控制單元執(zhí)行層和協(xié)調層。根據基本控制單元執(zhí)行層的功能要求,設計了模塊化嵌入式單相控制單元。該單元采用基于ARM內核的32位LPC2129局部控制器和CPLD設計方案,完成了對基本控制單元執(zhí)行層的觸發(fā)電路、驅動單元、通信單元、同步電路及保護等電路單元的設計。根據協(xié)調層的功能要求,采用雙DSP方案,設計了模塊化嵌入式主控制器單元。DSP56F8071完成采集、判斷及控制策略等功能,而DSP56F8072貝IJ負責整個系統(tǒng)的運行、協(xié)調及人機交互等功能。同時,還對STATCOM保護進行了初步討論,提出了主電路故障檢測方案,給出了控制性保護是STATCOM裝置中一種特殊而且有效的保護,并且具體說明了控制性保護在STATCOM中的實現方法。最后,結合硬件平臺和STATCOM的兩種運行方式,對STATCOM控制系統(tǒng)的軟件進行了設計。利用UC/OS.II嵌入式實時多任務操作系統(tǒng),提高了系統(tǒng)軟件的移植性、維護性和擴展性。關鍵詞STATCOM;多電平主電路;混合型級聯;開關角魯棒系數;參數攝動;觚混合控制;分布式控制系統(tǒng)嵌入式實時多任務操作系統(tǒng)
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 178
大小: 12.52(MB)
子文件數:
-
簡介:江蘇大學碩士學位論文H264編碼算法研究及嵌入式應用姓名陳波申請學位級別碩士專業(yè)計算機應用技術指導教師鮑可進20080607江蘇大學碩士學位論文ABSTRACTISOILLT鋤ATIONALORGAILIZATIONFORST卸DARDIZATIONAJLDITUINTENLATIONALTBLECOMMUNJCATIONUNIONWORKTOGETHERTO、№RKOUTANEWVIDE0CODINGSTALLDARDH.264,INORDERTOOBTAINBETTERCOMPRESSION齜LD脅SMISSIONPERFO冊ANCE.THEH.264ST砒LDARDIIL仃ODUCTIONMENEWTE6TLILOLO西ESOFCILRRERLTVIDE0ENC0DIN島INCLUDMGMULTI.SLICESIZEMODEL,44INTE酉AL仃{MSFO肌ATIOILIILTMPREDICTION,MEEFRECTOFFILTERINGT0BLOCL【,∞仃OPYCODINGOFMEREL嘶6CATION鋤DS0ON.C0MPAREDWIMOTLLER譏DEOCODINGST鋤DARDOFEXISTING,THENEWTECLLILOLOGYALLOWSH.264CODINGST鋤DARDC缸G就ALLI曲ERCOMPRESSIONRATIO觚DBETTERIILLAGEQUALITYIILTLLES鋤ECIRCLLINSTAJLCES.SO,ITH嬲900D印PLICATIONPROSPECT.WITHABROAD印PLICATIONOF鋤BEDDEDSVSTENLS,IRRLPLENLENTATIONMEVIDE0CODECIILTHE伽BEDDED町,STENLSHASBCCOMETHEFOCUSANDDI伍CULTONEOFH.264SNIDY.ILLNLISPAPER,ONTLLCBASISOFDETAILEDANALYSISOFH.264CODINGME0ⅨSTUDYMEC鋤PAI印ESTIMATES鋤DCHOOSEMEMODEOFALGORIT№SOFAHI曲DEGREEOFCOMPLEX時,A11DTH朗ACCOMPLISHMENTREALTIMEVIDE0CAPTUREEILCODINGSYST鋤BASEDONH.264IILTLLEPⅪ屹55OFEMBEDDEDPLATF0咖..FIRSTLY,UNDERF鋤ILIARTHETHE0巧OFVIDE0E11CODINGPREMISE,IN仃0DUCETHES仃U曲LREAILDLEVELOFTHEH.264ENCODER,AILDMULTIANALYSJSTHEKEYTECHNOLO星;YAILDEILCODINGPERF.OM肌CEOFH.264.COMP撕SONOFH.264、MPEG2、MPEG4AILDH.263ENCODINGPERF.ONLLALLCEF.ROM鉚。嬲PECTSOFSUBJECTIVE鋤DOBJECTIVE.FROMTHETESTRE蚰LTS,H.264H勰BETTERC0DINGP晌肌鋤CEBOTHTHEASPECTOFSUBJECTIVE0ROBJECTIVE.SECONDLY’DETAILEDANALVSISOFSEARCHA191DTLLIILOFTLLEMOTIONESTIMATION,MLDCOMP棚TLLEP柏M鋤CEOFSEVER2LLSEARCHAL;YORITHM.THERESULTSSHOWTHATTHEWRHOLESE卸CHH嬲TLLEBESTSEARCHPERF.O姍ANCE,BUTAHI曲DE伊EEOFCOMPLEXI吼SO,NOT嘶TABLEFORAPPLICATIONINPRACTICE.BUT,TLLE缸TAL鰣T11MOF廿LRCEST印SE砌、DI鋤ONDSE烈℃H、HEXA霉RONALSE铘.CHA1霉RORITHNL鋤DMIXED嬲YNLM矧CALINULTIHEXAGONALSEARCHALGORITILMCAN鏟EATLYIMPROVESEARCHSPEEDWITHOUTAS甜。吣CH鋤GE加SE卸CHPE而冊鋤CC.THIRDLY’鋤叩HATICSTUDYMODESELECTIONOFRATEDISTORTIONOPTIIN訖ATIONA190RI廿LMB嬲EDONLA鯽1百ALL,齜LDINCRE嬲ESPEEDOFMODESELECTIONBYIINPROV鋤ENTMERATEDISTORTIONOPTIM協(xié)TIONA190RIⅡLM.THERESULTSSHOWTLLAT廿LEIIILPROV‘近MODELALGOTLLM鋤S孫,CT岫E1A唱EDEGREE,MORE0V盯WITHOUTIIILP∞TTLLECODINGPERF砷ANCEM旬0R.FINALIYH.2“伽CODINGA190柵瑚APPLICATIONONPⅪ心55OFEMBEDDCDPLATFB他TOACCOMPLISHMALTREAL.T岫EVIDEOCAPTURE鉍CODINGSYST∞LB嬲EDON鋤BEDDEDLILLUX.X264OFH.264伽CODING∞脅A他WILLBE仃觚SPL鋤TEDT0PⅪ心55T0ACHIEVEⅡLECOLLCCTIONOFVID∞COMP他SSIO瑪ANDOPTIIILIZE廿LE∞CODINGSO腳A他.EXP渤鋤TALRESULTSSHOW廿LATTLLEENCODINGSOFTWAREOFOPTI皿IIZATIONC鋤∞COMPLISLLIILENTOFTI心BASICREALTIMEVID∞∞CODINGFORCOLLECTION“D∞.KEYWORDSH.264,MOTIONESTIMATIO瑪MODESELECTION,鋤BED1EDLINUX,CODEOPTIMIZATIONⅡ
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 72
大?。?10.94(MB)
子文件數:
-
簡介:1S,。87.15{7中圖分類號TN915衡級上海大學碩士學位論文SHANGHAIUNIVERSITYMASTER,STHESIS題單載波頻域均衡I目技術的研究作者學科專業(yè)導師寸YⅢ完成日期李偉通信與信息系統(tǒng)鄒困良2005。1}海大學壩卜學位論文單載波頻域均衡技術的佃F究ABSTRACTTHEFOURTHGENERATIONWIRELESSCOMMUNICATIONTECHNOLOGYISDEVELOPINGQUICKLYIN21“CENTURY.ITINCLUDESBROADBANDWIRELESSACCESS、BROADBANDWIRELESSLAN、MOBILEBROADBANDSYSTEMANDINTERACTIVEBROADCASTNETWORK.ITWILLHAVESOMECHARACTERISTICSASFOLLOWS1HIGHERSPEEDRATECOMMUNICATION;2WIDERNETWORKSPECTRUM;3INTEGRATEDMULTIPLESERVICE;4HIGHERINTELLIGENTPERFORMANCE;5BETTERCOMPATIBILITY;6HIGHERQUALITYMULTIMEDIACOMMUNICATION.SINGLECARTIERFREQUENCYDOMAINEQUALIZATIONSCFDEISONEOFTHECORETECHNOLOGIESIN4GMOBILECOMMUNICATIONSYSTEMANDHASPARTICULARPREDOMINANCEINTHEMULTIMEDIADATATRANSMISSION.ATFIRST.THEBASICPRINCIPLES,SYSTEMCONSTRUCTIONANDCHARACTERISTICSOFSCFDETECHNOLOGYAREINTRODUCED.ITISEMPHASIZEDINTHESTRUCTUREOFDECISIONFEEDBACKEQUALIZATIONANDISIOVERDEEPFREQUENCYSELECTIVEFADINGCHANNELS.BASEDONTHESYSTEMMODEL,PARAMETERANDSYSTEMSIMULATIONFLOWCHART,MAUABISINTRODUCEDFORTHESIMULATIONOFSCFDESYSTEM.ANDITISCOMPAREDWITHTHEOFDMSYSTEM.SECONDLY,THEEQUALIZATIONOFSISOSCFDESYSTEMISDISCUSSEDINTHEPAPER,FOCUSINGONANALYSISOFADAPTIVEFILTERARITHMETICTHATISFREQUENCYDOMAINLMS.THEPAPERALSORESEARCHESTHESTRUCTUREOFEQUALIZER,ANDITMAINLYRESEARCHESLINEAREQUALIZERANDDECISIONFEEDBACKEQUALIZERUSEDINSCFDESYSTEM.FINALLY,THESYSTEMWITHTHECOMBINATIONOFSCFDEANDMIMOTECHNOLOGYAREANALYZEDINTHEPAPER,MIMOCANIMPROVETHECAPACITYOFCOMMUNICATIONSYSTEMANDSPECTRUMUTILIZATIONWITHOUTINCREASINGTHEBANDWIDTH.ITCANEFFECTIVELYIMPROVETHESYSTEMCAPACITYANDPERFORMANCE;ALSOCANENHANCETHECOVERSCOPEOFNETWORKANDRELIABILITY.THETHREEKINDSOFSTRUCTURESOFMIMOSCFDESYSTEMOVERFREQUENCYSELECTIVEFADINGCHANNELS,ANDSIMULATESANDANALYZESITSPERFORMANCECOMBINEDWITHTHESTBCAREMAINLYRESEARCHED.THERESULTSINDICATEFDFDEISMORESUITABLEFORTHEWORSECONDITIONOFTHECHANNEL.KEYWORDSOFDM,SCFDE,ADAPTIVEFILTER,MIMO,EQUALIZATIONII
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 87
大?。?2.19(MB)
子文件數:
-
簡介:上海大學碩士學位論文H264流媒體無線傳輸研究實現及其在嵌入式視頻監(jiān)控中的應用姓名胡書衛(wèi)申請學位級別碩士專業(yè)控制理論與控制工程指導教師周維民20090101上海大學碩士學位論文保障本系統(tǒng)的健壯性、可靠性和服務質量。4根據視頻監(jiān)控的需要,構建了簡單的無線網絡,并且在無線視頻監(jiān)控中實現流媒體傳輸,在確定傳輸控制中各參數后,對傳輸進行測試。經測試,本論文設計的H.264無線流媒體傳輸丟包率控制在1%以內,接收端收到的每個發(fā)送端有效數據量在95KBPS,并且接收端接收到的視頻ⅥJV分量的PSNR值均達到了35DB以上,傳輸性能有了較好的質量保障。關鍵詞流媒體RTP/RTCPH.264差錯控制擁塞控制VI
下載積分: 5 賞幣
上傳時間:2024-03-12
頁數: 83
大小: 3.37(MB)
子文件數:
-
簡介:學校代號10731學號092080802015密級公開蘭州理工大學碩士學位論文H.264優(yōu)化算法及其在嵌入式WINCE6.0中的應用LIYI‘.1_‘L■■■■■■■■■■RH.264OPTIMIZATIONALGORITHMANDITSAPPLICATIONINEMBEDDEDWINCE6.OBYLIJIAQIB.E.GUIZHOUUNIVERSITY2005ATHESISSUBMITTEDINPARTIALSATISFACTIONOFTHEREQUIREMENTSFORTHEDEGREEOFMASTEROFSCIENCELNAUTOMATIONOFELECTRICPOWERSYSTEMSINTHEGRADUATESCHOOLOFLANZHOUUNIVERSITYOFTECHNOLOGYSUPERVISORPROFESSORHAOXIAOHONGA白RIL,2012/。
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 70
大?。?2.47(MB)
子文件數:
-
簡介:天津大學碩士學位論文G7231協(xié)議及相關通信業(yè)務在嵌入式系統(tǒng)上的實現姓名鄧小勇申請學位級別碩士專業(yè)通信與信息系統(tǒng)指導教師張為201006ABSTRACT”UNIFIEDCOMMUNICATION”ISAMOREHUMANCOMMUNICATIONCONCEPT,CLOSERTOTHEGOALOF5WCOMMUNICATION,WITHLARGERDEVELOPMENTSPACEANDWIDEMARKET.THISPAPERISBASEDONTHETHOUGHTOF”UNIFIEDCOMMUNICATION”,USINGG723.1SPEECHCODECPROTOCOL,DESIGNEDASPEECHANDFILECOMMUNICATIONSYSTEMBASEDONC/SMODE.THESERVERENDRUNSONTHEPCLINUX,FOLLOWEDBYAMYSQLDATABASE.THECLIENTENDRUNSONTHELINUXAIMEMBEDDEDPLATFORMW90P710FROMWINBONDCO.INORDERTOMEETTHEREALTIMEREQUIREMENTSINSPEECHCOMMUNICATION,BEFORETHESYSTEMDESIGN,ITNEEDSTOIMPROVETHEEODECRATE.ACCORDINGTOTHEITUTSOURCE,OPTIMIZETHECODEBOTLLINALGORITHMANDASSEMBLY.INALGORITHM,MAINLYFROMSIMPLIFYSEARCHING,REEURSIVINGITERATIONANDSPACEFORTIMETHREEASPECTSTOREWRITETHECODESINSOMEMODULES.ATTHESAMETIME,CHANGETHEBASICOPERATIONFUNCTIONFROMCTOASSEMBLYLANGUAGE.BYTESTED,THEOPTIMIZATIONRESULTSIMPROVEDTHESPEEDOFTHECODCCGREATLY,ANDTHESPEECHMOSVALUEREACHESTO3.4.THESYSTEMUSESTHEUDPSOCKETMECHANISMTOTRANSFERINFORMATIONMUTUALLY.THESERVERENDUSESJAVA,ANDREALIZEDTHENECESSARYTIPS,THERESPONSETOADMINISTRATORS’OPERATIONSANDTHERESPONSETOCLIENTS’REQUESTSBYUSINGGRAPHICALINTERFACEANDMULTITHREADMECHANISM.THESERVERENDPROGRAMLINKSTOBACKENDMYSQLDATABASE,REALIZEDTORECORD,MODIFYANDREADTHEUSERGROUPSANDUSERS’INFORMATIONBYUSINGSQL.ANDTHEDATABASEDESIGNMEETSTHETHIRDPARADIGM.ATTHESAMETIME,THECLIENTEND,WHICHISEMBEDDEDINTOTHEARMSYSTEM,USESCLANGUAGE,ANDSATISFIESTHEUSERS’VARIOUSOPERATINGREQUIREMENTSBYUSINGMULTITHREADPROGRAMMING.WBLL,THECONTROLINFORMATIONFROMCLIENTENDSHOULDBESENTTOTHESERVERENDTORECORDANDTHENFORWARDED,BUTTHEDATASHOULDBESENTTOANOTHERCLIENTDIRECTLY,ACCORDINGAVOIDINGTHESERVERCOMMUNICATIONCONGESTION.ATTHESAMETIME,THENETWORKOVERTIMEANDRESPONSEOVERTIMEFUNCTIONSAREDESIGNEDINTHESYSTEM,SOTHESYSTEMCANSTILLWORKAFTEROVERTIME.KEYWORDSUNIFIED.COMMUNICATION,G723.1,EMBEDDEDSYSTEM,MYSQL
下載積分: 5 賞幣
上傳時間:2024-03-13
頁數: 72
大小: 5.55(MB)
子文件數:
-
簡介:19年6月考試嵌入式系統(tǒng)期末大作業(yè)0001試卷總分100得分100一、單選題共31道試題共77分1在MDK軟件的仿真界面查看存儲器應該使用下列哪一個調試窗口()AWATCH窗口BMEMY窗口CUART窗口D外設窗口正確答案B2以下哪一項不是LPC1768微控制器的引腳P06的功能()AP06通用數字輸入輸出功能BI2SRX_SDA-接收數據CRD2-CAN2接收器輸入DMAT20-定時器2的匹配輸出,通道0正確答案C3在MDK軟件開發(fā)工程時,下載到微控制器的文件格式是()ABIN格式BEXE格式COUT格式DHEX格式正確答案D4下列哪一種不屬于嵌入式操作系統(tǒng)()AVXWKSBWINDOWS95CWINDOWCEDΜCOS正確答案B5將LPC1768微控制器的P02和P03分別設置為TXD0和RXD0,而不改變其他引腳的設置,則程序代碼應該為()APINSEL0PINSEL00XFFFFFF0F|0X00000050BPINSEL0PINSEL0|0XFFFFFF5FCPINSEL1PINSEL10XFFFFFF0F|0XFFFFFF5FDPINSEL1PINSEL1|0XFFFFFF5F正確答案AC7個D8個正確答案D12LPC1758微控制器的SRAM大小為()A8KBB32KBC64KBD128KB正確答案C13LPC1768控制串口0的FIFO控制器U0FCR0X81,則此時串口0的FIFO觸發(fā)點為()A1字節(jié)B4字節(jié)C8字節(jié)D14字節(jié)正確答案C14在LPC1768微控制器中控制GPIO輸出高電平的寄存器是()AFIODIRBFIOPINCFIOSETDPINSEL1正確答案C15LPC1768微控制器屬于什么內核()ACTEXM0BCTEXM3CCTEXM4DCTEXA正確答案B16當引腳功能選擇寄存器PINSEL0的10位為01表示()AP00引腳定義為GPIOP00BP00引腳定義為RD1CP00引腳定義為TXD3DP00引腳定義SDA1正確答案B
下載積分: 6 賞幣
上傳時間:2024-03-11
頁數: 8
大小: 0.03(MB)
子文件數:
-
簡介:19年6月考試嵌入式系統(tǒng)期末大作業(yè)在MDK軟件的仿真界面查看存儲器應該使用下列哪一個調試窗口()AWATCH窗口BMEMY窗口CUART窗口D外設窗口正確答案B以下哪一項不是LPC1768微控制器的引腳P06的功能()AP06通用數字輸入輸出功能BI2SRX_SDA-接收數據CRD2-CAN2接收器輸入DMAT20-定時器2的匹配輸出,通道0正確答案C在MDK軟件開發(fā)工程時,下載到微控制器的文件格式是()ABIN格式BEXE格式COUT格式DHEX格式正確答案D下列哪一種不屬于嵌入式操作系統(tǒng)()AVXWKSBWINDOWS95CWINDOWCEDΜCOS正確答案B將LPC1768微控制器的P02和P03分別設置為TXD0和RXD0,而不改變其他引腳的設置,則程序代碼應該為()APINSEL0PINSEL00XFFFFFF0F|0X00000050BPINSEL0PINSEL0|0XFFFFFF5FCPINSEL1PINSEL10XFFFFFF0F|0XFFFFFF5FDPINSEL1PINSEL1|0XFFFFFF5FD5V正確答案DLPC1768微控制器的AD采集模塊有多少個通道()A4個B5個C7個D8個正確答案DLPC1758微控制器的SRAM大小為()A8KBB32KBC64KBD128KB正確答案CLPC1768控制串口0的FIFO控制器U0FCR0X81,則此時串口0的FIFO觸發(fā)點為()A1字節(jié)B4字節(jié)C8字節(jié)D14字節(jié)正確答案C在LPC1768微控制器中控制GPIO輸出高電平的寄存器是()AFIODIRBFIOPINCFIOSETDPINSEL1正確答案CLPC1768微控制器屬于什么內核()ACTEXM0BCTEXM3
下載積分: 6 賞幣
上傳時間:2024-03-15
頁數: 9
大?。?0.04(MB)
子文件數:
-
簡介:微機與嵌入式實驗微機與嵌入式實驗201211位、停止位1位、無奇偶校驗、無硬件流控制。RS232串口通信的目的在于發(fā)送控制指令和傳輸數據,同時獲得反饋信息;2、在設置中文件屬性菜單中選擇II設置,設置行延遲為1并勾選“在每一行后添加換行符”;3、將串口線與開發(fā)板連接并通過超級終端監(jiān)聽串口數據;4、將模式開關撥到全ON的模式;5、給開發(fā)板上電;6、在超級終端中鍵入‘A’,如果開發(fā)板連接正常,開發(fā)板回應一個‘’,否則重復上面的步驟;7、按下。光標移到下一行;8、選擇“傳送發(fā)送文本文件”并找到添加傳送文件PROGRAMBOOT_BTXT9、程序會自動啟動,出現一行一行的信息來反映程序的進程,例如“ERASINGFLASH““BLANKCHECKING““PROGRAMMING““VERIFYINGFLASH“最后出現“PROGRAMMINGFINISHED“。第二步、利用BOOTLOADER編譯文件系統(tǒng)IMAGES1、將模式開關撥到ONOFFONONONON模式;2、將開發(fā)板上電;3、敲擊進入BOOTLOADER的菜單界面;4、選擇適當的選項(‘0’是編譯BOOTLOADER,‘1’是編譯KERNELIMAGE,‘2’是編譯ROOTDISKIMAGE)5、當窗口顯示“USB驅動準備好傳輸”,將USB線連接上;6、在WINDOWSEXPLER中一個USB新硬件被找到,將IMAGE拷貝到USB盤符中;7、拷貝完畢后選擇彈出USB設備;8、在監(jiān)聽窗口中會顯示“PRESSANYKEYTOSTARTPROGRAM”按下任意鍵開始編譯;9、編譯結束后就可以在超級終端中看到燒寫好的系統(tǒng),可以進入系統(tǒng)查看。
下載積分: 6 賞幣
上傳時間:2024-03-17
頁數: 8
大?。?0.03(MB)
子文件數: