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1、成都理工大學(xué)畢業(yè)設(shè)計(jì)(論文)工程地震儀數(shù)據(jù)采集與傳輸系統(tǒng)的研制作者姓名專業(yè):信息工程(電子方向)指導(dǎo)教師:摘要地震勘探儀器是集傳感技術(shù)、電子技術(shù)、計(jì)算機(jī)技術(shù)、數(shù)據(jù)傳輸技術(shù)、通訊技術(shù)等為一體的綜合系統(tǒng)。工程地震勘探主要用于解決礦山、鐵路、建筑等各種工程地質(zhì)問(wèn)題。隨著工程勘探的不斷深入,勘探環(huán)境日益復(fù)雜,由此帶來(lái)數(shù)據(jù)采集、數(shù)據(jù)傳輸?shù)葐?wèn)題。論文針對(duì)數(shù)據(jù)采集和傳輸環(huán)節(jié)相關(guān)技術(shù)進(jìn)行研究,其主要內(nèi)容包括:(1)分析目前工程地震儀存在的問(wèn)題和不足,提出研究方向和思路;(2)數(shù)據(jù)采集部分采用24位Δ-ΣA/D轉(zhuǎn)換器,設(shè)計(jì)了其外圍接口電路;(3)采用nRF無(wú)線收發(fā)集成芯片
2、設(shè)計(jì)數(shù)據(jù)傳輸單元,實(shí)現(xiàn)工程地震數(shù)據(jù)的無(wú)線傳輸;(4)完成了工程地震數(shù)據(jù)采集和數(shù)據(jù)傳輸?shù)南到y(tǒng)調(diào)試。上述研究成果,對(duì)于便攜式工程地震儀的研制打下堅(jiān)實(shí)基礎(chǔ)。一些技術(shù)還可應(yīng)用于其他信號(hào)采集和信號(hào)處理領(lǐng)域。關(guān)鍵詞:工程地震儀,數(shù)據(jù)采集,數(shù)據(jù)傳輸,便攜式。II成都理工大學(xué)畢業(yè)設(shè)計(jì)(論文)DevelopmentoftheDataAcquisition&TransmissionSystemoftheEngineeringSeismographAbstract:Theseismicexplorationinstrumentisasystemincludingsensort
3、echnology,electronictechnology,computertechnology,datatransmission,communicationtechnology.Theengineeringseismicsurveyismainlyaimedtosolvetheengineeringgeologicalproblemsuchasmine,railwayandarchitecture.Astheadvanceofengineeringseismicsurvey,thecircumstanceoftheexplorationismorea
4、ndmorecomplex.Theproblemisthatthereisagreatamountofdatawhichneedstobeacquiredandtransferred.Theresearchisontheinterrelatedtechnologyconcernedwithdataacquisitionandtransmission.Themaincontentsareasfollowings.(1)Theproblemandlackoftheengineeringseismicinstrumentatpresentareanalyzed
5、andresearchwaysareputforward;(2)Thesignalsamplingelementadoptsthe24bitsΔ-Σanalogtodigitalconverterandtheperipheralinterfacecircuitisdesigned;(3)ThedatatransmissionelementadoptsthenRFsinglechiptransceiverandrealizesthewirelesstransmissionoftheengineeringseismicdata;(4)Thedebugging
6、oftheengineeringseismicdatagatheringandtransfersystemhascompleted.Theaboveresearchachievementshaveestablishedthebasisoftheportableengineeringseismicinstrumentandsomeoftheaboveresearchcouldbeappliednotonlyinengineeringseismicexplorationbutalsoinrelatedsignalexplorationandcommunica
7、tionarea.Keywords:Engineeringseismicinstrument,Signalacquisition,Signaltransmission,Portable.II成都理工大學(xué)畢業(yè)設(shè)計(jì)(論文)目錄第1章引言11.1課題研究意義11.2國(guó)內(nèi)外發(fā)展現(xiàn)狀21.3儀器功能特點(diǎn)31.4研究?jī)?nèi)容及方法41.4.1目前工程地震儀存在的問(wèn)題41.4.2本論文研究?jī)?nèi)容及方法41.5論文結(jié)構(gòu)安排4第2章系統(tǒng)方案設(shè)計(jì)62.1系統(tǒng)總體方案62.2地震檢波器簡(jiǎn)介72.2.1動(dòng)圈式地震檢波器72.2.2壓電式檢波器72.2.3渦流地震檢波器72.3數(shù)據(jù)采集
8、方案82.4數(shù)據(jù)傳輸方案9第3章數(shù)據(jù)采集單元設(shè)計(jì)103.1Δ-Σ模數(shù)轉(zhuǎn)換技術(shù)10