高精度的計算機數(shù)據(jù)采集及交換【外文翻譯】_第1頁
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1、畢業(yè)設(shè)計（論文）外文翻譯ThehighaccuracydataacquisitionisinteractivewiththecomputeLinShenetal.Thehighaccuracydataacquisitionisinteractivewiththecomputer[J].ActaHt.1995(145)：205210Abstract：Withthedevelopmentofcomputertechniquesignalpr

2、ocessingtechniqueithasbecomeanimptantwaytoprocesssavetransmitanykindofsignalbydigitalization.Howevermostofsingnalsareanalogue.Therefeitstsinneedofhighprecisiondataacquisitiontoprocesssignalusingdigitaltechniqueespecially

3、inthesituationofrequestinghigherprecision.Inthispapertheresearchofthehighprecisiondataacquisitiondevicethedevelopmentofthedisposalsoftwareofdataacquisitionareexpatiatedindetail.ThedataistransmittedtocomputerbyRS232interf

4、ace.Computercanreadtheparameterofthedeviceatanymoment.Realtimedatacollectedbycollectaretransmittedtocomputer.Keywds：DataacquisitionHighPrecisionSCMMSC1210RS232Alongwithcomputertechnologysdevelopmentthedigitalprocessingte

5、chnologyisdaybydaymatureisperfectcarriedondigitizedprocessingthememythetransmissiontoeachkindofsignalalreadytobecomethesignalprocessingtheimptantmeans.Butwecontactatpresenttheoverwhelmingmajitysignalisthesimulation.Inder

6、tousethedigitaltechniquetocarryonprocessingtoitparticularlytoaccuracyrequirementhighsituationurgentneedhighaccuracydataacquisition.Thisarticleelabatedthehighaccuracydataacquisitiondevelopmentwkexhaustively.Thisdataacquis

7、itioncarriesonthedebuggingthedatatransmissionthroughtheRS232connectionthecomputerconnection.Thecomputermaymomentarilyreadthisgatheringeachparameter.Dataacquisitionsdatarealtimetransmitsonthecomputer.Atpresentthevarioustr

8、adesoccupationsenhanceunceasinglytothedatasignalsaccuracytheaccuracyrequirementalsounceasinglyenhancestothedataacquisitionprecisionsrequest.Thehighaccuracywasalreadyadataacquisitiondesignimptantresearchdirection.Mustbehi

9、gherthanfarinmanydomainstothedataacquisitionprecisionsrequesttothespeedrequest.Fexampleinindustrydomainssoonscenemonitinglabatygeologicalprospectingseismicsens.ItsADCwhenthedataoutputspeedis10Hzmayobtain22effectiveresolu

10、tion.ADChasFastSettingSinc2theSinc3filtermaysupplythechoicehas24nonerrcoderesolutionsamplingspeedadjustable.WhenrequesthighaccuracymonocycletransfmationADCmayalsochoosetheappropriatepositiondiagram：SimulatedsignalDigital

11、signalTICpationsuperimachinesoftwareMSC1210ADCDemoProgramwhichprovidesinviewofMSC1210isasectionofcollectionsurveillancethecontrolinabodysfunctionfablesoftware.MSC1210ADCDemoProgramcandetectcomputersserialptautomaticallyt

12、hesearchgoalboardmaycarryontheestablishmenttotheMSC1210modulatsclockratelikethisthenmaymomentarilythesimulatedsignalsamplingfrequencycarryonthemediation.Atthesametimemayalsotoextractfact(Decimation)onMSC1210ADCDemoProgra

13、mtocarryontheestablishmentadjuststhesampleddatabytheoutputratingbutalsofrontendmayestablishincreases(PGA)thefilterfm.MeoverifthesystemhasthereferencesupplyMSC1210ADCDemoProgrammaythroughchangestheADCCON0register(SFRDCH)t

14、hevaluechooseinadditionusesthematerialsfinternalreferencevoltageexterireferencevoltagebutmayalsomakesthechoicetotheunipolaritythebipolarityinput.mayalsomomentarilymonittheaboveregistersactivestatusthroughMSC1210ADCDemoPr

15、ogram.inthedatademonstrationMSC1210ADCDemoProgrammaybythedecimalbasethehexadecimalsystemtheactualvoltagevaluethreewaysdemonstratedthatmaypreciselytodecimalpointlatter8.Atthesametimebutalsosomegraphicaldisplayway.Maysavet

16、heprofileinthecomputer.Thedataacquisitionappliancehastheprecisionhighthelowpowerlossthevolumesmallsoonaseriesofacteristicsmayininlaytothesensotherequipment.ItusestheRS232connectionthecomputercarriesonthecommunication.May

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