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《基于pci總線(xiàn)的航天測(cè)控?cái)?shù)據(jù)錄取系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)》由會(huì)員上傳分享,免費(fèi)在線(xiàn)閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、電子科技大學(xué)碩士學(xué)位論文基于PCI總線(xiàn)的航天測(cè)控?cái)?shù)據(jù)錄取系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)姓名:熊璐申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):通信與信息系統(tǒng)指導(dǎo)教師:周先敏20060401摘要隨著我國(guó)航天事業(yè)的發(fā)展,國(guó)內(nèi)己成功研制出集多種功能為一體的航天測(cè)控綜合基帶設(shè)備。從衛(wèi)星上高速下傳的數(shù)據(jù)由地面衛(wèi)星接收站轉(zhuǎn)發(fā)為基帶信號(hào)送至數(shù)據(jù)中心,速度可達(dá)上百兆波特率,并要求系統(tǒng)能夠正確接收,存入計(jì)算機(jī)中進(jìn)行后續(xù)數(shù)據(jù)的分析和處理。本課題正是在這種應(yīng)用背景下,通過(guò)設(shè)計(jì)基于PCI總線(xiàn)的數(shù)據(jù)錄取系統(tǒng),對(duì)航天測(cè)控系統(tǒng)地面站綜合基帶設(shè)備數(shù)字接收機(jī)所接收的中頻采樣信號(hào)和解調(diào)后的數(shù)據(jù)進(jìn)行接收和存儲(chǔ),將其送到監(jiān)控計(jì)算
2、機(jī)中進(jìn)行調(diào)制方案驗(yàn)證和數(shù)據(jù)分析,從而進(jìn)一步完善了航天測(cè)控系統(tǒng)的設(shè)計(jì)。作者的主要工作包括:1.通過(guò)分析高速數(shù)據(jù)錄取所采用的兩種不同方式和系統(tǒng)所要求達(dá)到的技術(shù)指標(biāo),進(jìn)行了系統(tǒng)方案的設(shè)計(jì)。2,確定硬件的設(shè)計(jì)方案,包括芯片選型、電源設(shè)計(jì)、時(shí)鐘網(wǎng)絡(luò)設(shè)計(jì)、存儲(chǔ)容量及速度的選擇、PCI接口設(shè)計(jì)等。繪制硬件原理圖和PCB板,同時(shí)分析了高速數(shù)字電路中PCB設(shè)計(jì)所需要注意的問(wèn)題。3.實(shí)現(xiàn)PCI9054與計(jì)算機(jī)PCI總線(xiàn)的接口,包括總線(xiàn)仲裁,寄存器讀寫(xiě)操作,EEPROM的配置和下載,DMA傳輸,中斷響應(yīng)等功能。4.設(shè)計(jì)實(shí)現(xiàn)系統(tǒng)的FPGA邏輯部分,并研究了高速大容量SDRAM控
3、制器和進(jìn)行乒乓存儲(chǔ)操作邏輯時(shí)序,實(shí)現(xiàn)了數(shù)據(jù)流的連續(xù)傳輸。5.利用Driverworks開(kāi)發(fā)了使PCI硬件正常工作的Windows設(shè)備驅(qū)動(dòng)程序。研究了Scatter/GatherDMA驅(qū)動(dòng)程序的開(kāi)發(fā),并給出了應(yīng)用程序的設(shè)計(jì)方法。實(shí)現(xiàn)了用戶(hù)對(duì)硬件的控制和通信,保證數(shù)據(jù)流能夠按要求正確的存儲(chǔ)在計(jì)算機(jī)磁盤(pán)中。6.進(jìn)行了軟硬件的聯(lián)合調(diào)試。關(guān)鍵詞:PCI,F(xiàn)PGA,SDRAM控制器,WDM設(shè)備驅(qū)動(dòng)程序,Scatter/GatherDMAA8STRAeTA8STRAe了Withthedevelopmentofaerospaceindustry,themultifunc
4、tionalterminalequipmentforbasebandhasbeendevelopedinrecentyears+Thehighspeeddataflowtransmittedfromthesatellitesisreceivedbythesatellitecommunicationearthstationandthensenttothedataterminalcenter,thespeedofwhichiSuptohundredsofmegabytesbaudrate.InordertOreceivethedatacorrectlyand
5、storeitincomputerforanalysisandprocess,akindofspacetrackingdatarecordingsystembasedOnPCIbusisdesignedandrealizedinthisdissertation,whichenhancethespacetrackingsystem’Sintegrality.Theauthor’Smainwork{SaSfollow:1.AccordingtOthetechnicaltargetofthesystem,designthewholesystembyanalyz
6、estwodifferentmethodsofhighspeeddatarecording.2.Designthehardwaresystem,whichfocusOiltheselectionofchipsonthePCIcard,thepowernetwork,thespeedandcapacityofthestorage,thePCIinterfaceandSO011.Atthesametime.discussedsomeproblemswhichneedtObepaidattentiontowhendesignthePCBboardinorder
7、tOreduceEMIandimprovethedigitalcircuit’Sperformance.3.RealizetheinterfacebetweenPCI9054andthePCtbus,includingthebusarbitration,readandwriteoftheregisters,theconfigurationoftheEEPROM,theDMAtransfer,interruptresponseandSOOn,4.Completethedesignofsystem’SlogicfunctionwithFPGA.TheSDRA
8、M’ScontrollerandPing—Pongoperationisstud