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簡(jiǎn)介：F953835綴堡炙學(xué)碩士學(xué)位論文～基于嵌入式系統(tǒng)的GPS／DR／；MM組合定位導(dǎo)航系統(tǒng)研究與實(shí)現(xiàn)院系專(zhuān)業(yè)姓名指導(dǎo)教師完成日I期信息科學(xué)與J程學(xué)院一電路與系統(tǒng)田小芳、陸。起涌副教授2006年6月5F學(xué)校代碼10246學(xué)號(hào)032021029復(fù)口大學(xué)碩學(xué)位論文ABSTRACTVEHICLELOCATIONANDNAVIGATIONSYSTEMVLSSISTHEINDISPENSABLEANDIMPORTANTSECTIONININTELLIGENTTRANSPORTATIONSYSTEMITS，THEINTELLIGENTVEHICLELOCATIONANDNAVIGATIONISTHEREPRESENTATIONOFNEWSTYLEVEHICLEELECTRONICPRODUCTS，WHICHISIMPORTANTTOIMPROVETHECITYTRAFFICCONDITIONANDENSURETHESAFTYOFVEHICLETHEGLOBLEPOSITIONSYSTEMGPSIALLOWSAUSERWITHTHEPROPEREQUIPMENTACCESSTOACCURATEPOSITIONINGINFORMATIONANYWHEREONTHEGLOBE，BUTITHASPOORSHORTTREMACCURACYWHENTHESIGNALOFGPSISOUTAGEDEADRECKONINGSYSTEMHASSUPERIORSHORTTERMERRORPERFORMANCE，BUTHASINFERIORLONGTERMACCURACYTHEINTEGRATIONOFGPS／DRCANREDUCETHEERROROFDRANDENABLETHENAVIGATIONWHENGPSISLOSTTHEKALMANFILTERCALLINCREASETHECAPABILITYOFGPS，DRBASEDONOPTIMALESTIMATIONTHELOCATIONINFORMATIONOFTHEBUSISTRANSFERREDTOTHEMONITORCENTERVIAGPRSANDISRECTIFIEDBYMAPMAPTCHINGMM，SHOWNONTHEDIGITALMAPTHEINTEGRATEDTECHNOLOGYOFGPS／DR／MMISUSEDTODESIGNTHEEMBEDDEDLOCATIONANDNAVIGATIONSYSTEMTHEBASICPRINCIPLEOFGPS／DR／MMISRESEARCHEDANDANALYZED，ANDALOWCOSTEMBEDDEDINTEGRATEDLOCATIONANDNAVIGATIONSYSTEMISDESIGNEDTHEDEVELOPMENTENVIRONMENTOFARM2410ISESTABLISHEDBASEDONWINDOWSCENETANDEVCTHEDATACOLLECTIONANDPROCESSIONOFGPSANDDRANDTHEDIGITALMAPSOFTWAREISIMPLEMENTEDONTHEARM2410THESOFTWAREOFMONITORCENTERONTHEPCISIMPLEMENTEDANDTHESERIALPORTDRIVEROFRS232TONETISDEVELOPEDTECEIVETHEDATAOFREMOTEVEHICLETERMINALKEYWORDSEMBEDDEDSYSTEM，GLOBLEPOSITIONSYSTEMGPS，DEADRECKONINGDR，MAPMATCHING，INTEGRATEDLOCATIONANDNAVIGATIONSYSTEM2

簡(jiǎn)介：華中科技大學(xué)碩士學(xué)位論文代建組織績(jī)效形成的嵌入式集成模擬研究姓名吳婷申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)管理科學(xué)與工程指導(dǎo)教師胡斌20090515華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTTHEORGANIZATIONALPERFORMANCEFORCONSTRUCTIONAGENTSYSTEMINGOVERNMENTINVESTMENTPROJECTSISSTUDIEDBYINTERGRATINGQUALITATIVESIMULATIONANDSYSTEMDYNAMICSFIRST,AFTERCLARIFINGTHEBACKGROUND,SOURCEANDPURPOSEOFTHERESEARCH,THERESEARCHONORGANIZATIONALPERFORMANCEFORCONSTRUCTIONAGENTSYSTEMATHOMEANDABROADARESURVEYEDTHESTUDIESONITSPERFORMANCEEVALUATION,THEORGANIZATIONALCULTUREANDITSIMPACTONTHEFORMATIONOFORGANIZATIONALPERFORMANCEARESUMMARIZEDINDETAILTHEINTEGRATEDSIMULATIONINTHEMANAGEMENTFIELDISALSOINTRODUCEDSECONDLY,THEANALYSISOFTHETRADITIONALMANAGEMENTANDITSDRAWBACKSAREGIVENTHEPAPERALSOINTRODUCESTHECHARACTERISTICSANDADVANTAGESOFCONSTRUCTIONAGENTSYSTEMANDITSDEVELOPMENTINOURCOUNTRYTHIRD,THERELEVANTTHEORYANDRESEARCHMETHODSOFORGANIZATIONALPERFORMANCEARESTUDIEDAVARIETYOFSIMULATIONONMANAGEMENTSYSTEMSANDANALYSISOFINTEGRATEDSIMULATIONAREINTRODUCEDTHEN,BASEDONORGANIZATIONALPERFORMANCEMODEL,THEORGANIZATIONALPERFORMANCEISSTUDIEDFROMTHREEASPECTSORGANIZATIONALMANAGEMENT,ORGANIZATIONALCULTUREANDITSINFLUENCEONORGANIZATIONALPERFORMANCEORGANIZATIONALMANAGEMENTOFTHEIMPACTONORGANIZATIONALPERFORMANCEISSIMULATEDBYSYSTEMDYNAMICS,THEEVOLUTIONOFTHEORGANIZATIONALCULTUREISSIMULATEDBYQUALITATIVESIMULATION,ANDITSIMPACTONORGANIZATIONALPERFORMANCEISALSOEMBEDDEDINTHESYSTEMDYNAMICSMODELTWOTYPESOFSIMULATIONAREEMBEDDEDTOSTUDYTHEORGANIZATIONALPERFORMANCEFORCONSTRUCTIONAGENTSYSTEMINTHEINTEGRATIONMODELALSO,BASEDONORGANIZATIONALPERFORMANCEMODEL,ANEXAMPLEISGIVEN,INWHICHTHESIMULATIONISRUNANDITSRESULTSAREANALYZEDBYCOMPARINGWITHTHETRADITIONALMANAGEMENTFINALLY,THEPAPERISCONCLUDEDSOMEPROBLEMSAREPOINTEDOUTANDSEVERALIMPROVEMENTSAREPROPOSEDKEYWORDSINTEGRATEDSIMULATION,SYSTEMDYNAMICS,QUALITATIVESIMULATION,CONSTRUCTIONAGENTSYSTEM,ORGANIZATIONALPERFORMANCEII

簡(jiǎn)介：嵌入式交叉調(diào)試器解決了在低配置目標(biāo)主機(jī)上不能直接運(yùn)行調(diào)試器的問(wèn)題，實(shí)現(xiàn)在主機(jī)端運(yùn)行調(diào)試器，目標(biāo)端使用調(diào)試代理，兩者通過(guò)網(wǎng)絡(luò)或串口進(jìn)行連接完成嵌入式交叉調(diào)試的任務(wù)。為了開(kāi)發(fā)出一款界面友好的嵌入式源碼級(jí)交叉調(diào)試器，對(duì)遠(yuǎn)程串行通訊協(xié)議數(shù)據(jù)包的格式和調(diào)試代理GDBSERVER存在的弊端進(jìn)行了分析，在此基礎(chǔ)上增加了對(duì)調(diào)試代理的控制，實(shí)現(xiàn)了目標(biāo)程序的自動(dòng)下載和調(diào)試控制的功能，并且對(duì)調(diào)試代理增加了重啟的功能，避免了部分理弊端的產(chǎn)生。交叉調(diào)試器主機(jī)端和目標(biāo)端的連接是交叉調(diào)試的基礎(chǔ)，為了能夠在沒(méi)有網(wǎng)絡(luò)設(shè)備的目標(biāo)機(jī)上實(shí)現(xiàn)調(diào)試功能，使用虛擬網(wǎng)絡(luò)設(shè)備的驅(qū)動(dòng)虛擬出一個(gè)網(wǎng)絡(luò)設(shè)備，用于交叉調(diào)試器基于USB的網(wǎng)絡(luò)連接。對(duì)基于USB的虛擬網(wǎng)絡(luò)的原理以及要修改的層次結(jié)構(gòu)進(jìn)行了分析，調(diào)試時(shí)主機(jī)端（WINDOWS系統(tǒng)）使用NDIS，目標(biāo)端使用USB設(shè)備控制器來(lái)實(shí)現(xiàn)USB虛擬網(wǎng)絡(luò)的功能。圖形界面操作的調(diào)試器使調(diào)試過(guò)程變的相對(duì)簡(jiǎn)單，為此對(duì)調(diào)試器加入了具有圖形化操作功能的顯示模塊。顯示模塊是用戶(hù)直接接觸的模塊，該模塊能夠讓用戶(hù)使用圖形界面對(duì)調(diào)試器進(jìn)行操作，如設(shè)置與清除斷點(diǎn)，查看與修改內(nèi)存，查看與修改寄存器等，另外顯示模塊對(duì)于調(diào)試程序而言能夠提供源碼顯示視圖。

簡(jiǎn)介：由于指紋的唯一性、不變性的特點(diǎn)，指紋識(shí)別技術(shù)成為最可靠、最成熟的生物識(shí)別技術(shù)，并越來(lái)越廣泛地應(yīng)用到各種領(lǐng)域。目前自動(dòng)指紋識(shí)別系統(tǒng)大多是基于PC平臺(tái)的，但隨著時(shí)代的發(fā)展，市場(chǎng)開(kāi)始對(duì)自動(dòng)指紋識(shí)別系統(tǒng)提出小型化的要求。而嵌入式自動(dòng)指紋識(shí)別系統(tǒng)由于其便攜性、易用性的特點(diǎn)，較好得滿(mǎn)足了這一特點(diǎn)，逐漸成為自動(dòng)指紋識(shí)別系統(tǒng)的主流。本文結(jié)合嵌入式技術(shù)和指紋處理算法，針對(duì)嵌入式自動(dòng)指紋識(shí)別系統(tǒng)進(jìn)行了研究，主要從系統(tǒng)硬件設(shè)計(jì)、系統(tǒng)軟件設(shè)計(jì)、指紋算法移植和優(yōu)化三個(gè)方面對(duì)整個(gè)系統(tǒng)設(shè)計(jì)進(jìn)行了介紹。針對(duì)系統(tǒng)設(shè)計(jì)中的一些關(guān)鍵單元和關(guān)鍵問(wèn)題，本文給出了解決方法。本文所做的工作主要包括以下幾個(gè)方面首先，本文為嵌入式自動(dòng)指紋識(shí)別系統(tǒng)的實(shí)現(xiàn)提出了一套切實(shí)可行的硬件方案。方案詳細(xì)討論了各個(gè)關(guān)鍵模塊的硬件選型和原理圖設(shè)計(jì)。該方案以PXA255處理器為核心，滿(mǎn)足了大部分場(chǎng)合下自動(dòng)指紋識(shí)別系統(tǒng)的需求。其次，本文針對(duì)所提出的硬件平臺(tái)設(shè)計(jì)了一套比較完整的系統(tǒng)軟件解決方案，并詳細(xì)闡述了各個(gè)功能模塊的軟件設(shè)計(jì)方法。該軟件方案較好地滿(mǎn)足了系統(tǒng)功能需求，并且易于在該方案的框架下擴(kuò)展各種功能。最后，本文針對(duì)嵌入式平臺(tái)，對(duì)指紋識(shí)別算法進(jìn)行了移植和優(yōu)化，使之能夠滿(mǎn)足實(shí)時(shí)性的需求。在優(yōu)化過(guò)程當(dāng)中，參考其他文獻(xiàn)，總結(jié)了一些優(yōu)化原則和優(yōu)化方法，大大提高了算法的運(yùn)行速度。對(duì)于一般的嵌入式軟件優(yōu)化，該優(yōu)化原則和方法同樣很有意義。試驗(yàn)證明，本文設(shè)計(jì)的指紋識(shí)別系統(tǒng)在便攜性、可靠性、實(shí)時(shí)性和設(shè)備成本方面都基本達(dá)到令人滿(mǎn)意的效果。

簡(jiǎn)介：點(diǎn)擊查看更多基于M16C-62與R8C-17的嵌入式數(shù)控系統(tǒng)設(shè)計(jì).pdf精彩內(nèi)容。

簡(jiǎn)介：語(yǔ)音識(shí)別和嵌入式是當(dāng)今熱點(diǎn)，其產(chǎn)品應(yīng)用前景十分廣闊，將語(yǔ)音識(shí)別應(yīng)用到嵌入式系統(tǒng)中，更是能夠發(fā)揮兩者的優(yōu)點(diǎn)。本文主要研究嵌入式孤立字語(yǔ)音識(shí)別，主要研究設(shè)計(jì)語(yǔ)音識(shí)別算法動(dòng)態(tài)時(shí)間規(guī)整算法DTW和隱馬爾科夫算法HMM，然后編寫(xiě)了基于LINUX和ARM芯片的音頻驅(qū)動(dòng)并對(duì)其進(jìn)行了測(cè)試。本文在語(yǔ)音識(shí)別算法方面，首先建立了語(yǔ)音識(shí)別系統(tǒng)的發(fā)聲模型，然后對(duì)語(yǔ)音進(jìn)行預(yù)處理，即對(duì)數(shù)字信號(hào)預(yù)加重、分幀和加窗，接著對(duì)語(yǔ)音信號(hào)提取特征參數(shù)，提取特征參數(shù)的方法采用線(xiàn)性預(yù)測(cè)倒譜系數(shù)法和美爾倒譜系數(shù)法，再接下來(lái)是要對(duì)提取出來(lái)的特征矢量進(jìn)行矢量量化，從而壓縮數(shù)據(jù)。最后重點(diǎn)分析設(shè)計(jì)了動(dòng)態(tài)時(shí)間規(guī)整DTWDYNAMICTIMEWARPING識(shí)別算法和隱馬爾科夫HMMHIDDENMARKOVMODEL識(shí)別算法。DTW主要是通過(guò)尋找動(dòng)態(tài)時(shí)間規(guī)整函數(shù)來(lái)使輸入模塊與參考模塊之間的誤差達(dá)到最小，從而得出語(yǔ)音識(shí)別的相似誤差。隱馬爾科夫HMM識(shí)別算法主要是解決求觀察值概率的問(wèn)題、求最佳狀態(tài)序列的問(wèn)題和在什么情況下觀察值概率最大的問(wèn)題?；谝陨蟽蓚€(gè)模型基礎(chǔ)，本文設(shè)計(jì)了MATLAB語(yǔ)音識(shí)別代碼，得到了期望識(shí)別結(jié)果。在嵌入式方面，本文采用的操作系統(tǒng)為L(zhǎng)INUX系統(tǒng)，硬件平臺(tái)使用友善之臂的MINI2440開(kāi)發(fā)板，主要使用了開(kāi)發(fā)板上聲卡資源和LED資源，以及調(diào)試所用的串口。編寫(xiě)了音頻驅(qū)動(dòng)DEVDSP和DEVMIXER，它們分別對(duì)應(yīng)著音頻驅(qū)動(dòng)的兩個(gè)部分，一個(gè)是主要用來(lái)錄音播音的，另一個(gè)是用來(lái)對(duì)聲音的大小進(jìn)行控制。驅(qū)動(dòng)編譯成功后，然后加載進(jìn)系統(tǒng)內(nèi)核，并通過(guò)音頻測(cè)試程序來(lái)測(cè)試上述兩個(gè)設(shè)備。在開(kāi)發(fā)應(yīng)用試驗(yàn)方面，本文是通過(guò)語(yǔ)音來(lái)控制LED燈，不同的語(yǔ)音信號(hào)發(fā)出時(shí)LED燈就會(huì)處于不同的狀態(tài)，以達(dá)到語(yǔ)音控制嵌入式設(shè)備的目的。最后提出了語(yǔ)音控制機(jī)場(chǎng)地勤服務(wù)的應(yīng)用，并做了一些語(yǔ)音識(shí)別技術(shù)的研究，為后續(xù)研究打下基礎(chǔ)。