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无锡职业技术学院毕业设计说明书（英文翻译）1英文Wirelessenvironmentalmonitoringthroughwirelessmobilecommunications(GPRS/CDMA)andtheInternet(INTERNET)seamlessdockingwithreal-timedataacquisition,remotetransmission,remotestorageandwebpublishingfunctions,mayfacilitatetherealizationofavarietyofremotesitemonitoringandmanagement,throughanalysisofdataminingandthecombinationofknowledgeandexperienceofexpertscanprovideremotediagnosticsoftherelevantobjectsandcontrolmanagement.Wirelessremoteenvironmentaltestingreal-timemonitoringsystemintegrationtechnology,modernsensortechnology,wirelesscommunication,computernetworktechnologyasawhole,fromthestructureandcompositionwasdividedintothreeparts:theterminalacquisitiontransmitmodules,theserverreceivesstoragemodule,Web-baseddatadisseminationandanalysismodules.Wirelessmonitoringandcontrolisaremotecontrolunitterminaldevices,monitoringandcontrolterminalsetA/DfunctionsandI/Ofunctionsasone,isresponsibleforon-sitesignals,industrialequipmentmonitoringandcontrol.DTD110RTUserieswirelessmoduleisthroughalongperiodofXi'anDataielectronicscompaniestoexploreanddevelopwithfeedbackfromusersofwirelesstelemetryremoteterminalequipment.Themoduleuses16-bitlow-power16-bitMCUcontrol,andDTD465serieswirelessmodulewithwirelesstelemetryandremotecontrol.Provides4analoginputand4analogoutputs;or4-wayswitchinput,4-wayswitchoutput.Analogcanbea0~5Vvoltagesignal,itcanbe4~20mAcurrentsignal.Industrialfieldtransmittercancaptureavarietyofanalogoutput,digitalsignal;tooutputcontrolsignalstocontroltherelayoutput.Thereisalsoaremotewirelessenvironmentalmonitoringsimulationdevice.Forunattendedmonitoringofremoteenvironmentalissues,anexperimentalsimulationsystemdesign.Modulardesign,mainlybytheenergyharvestingmodule,thecontrolcentermodule,thesensormonitorsthenodemodule,thewirelesstransmissionmoduleandLCDdisplaymodulesandothercomponents.MonitoringcenterandthemonitoringnodewithAVRAtmega16Lmicrocontrollerasthecontrolandmonitoringofenvironmentalmonitoringnodesencodedbyamplitudemodulationsignalfromthewirelesstransceivermodulesenttothemonitoringcenter.Environmentalmonitoringbytheenergyharvestingmodulessupplynodes,withoutreplacingthebattery.Thesystemislowpowerconsumption,flexibleconfigurationnode,simplestructure,canachievethetemperature,humidityandlightintensitymonitoring,wirelessanddigitaldisplay.Simulatorwirelessenvironmentalmonitoringontheinstructionstherearesofewparts.1.Monitoringanddetectionoftheterminalnodeswithacircularaircorecoilantennawithadiameteroflessthan1mmenameledwireorwireinsulationjacketmadeofatightlywound5turns.Coildiameter(3.4±0.3)cm(Onebatterycanbeusedforskeleton).Mediumbetweentheantennacoilair.Wirelesscarrierfrequenciesbelow30MHz,modulationcustom.Terminalnodeanddetectionmonitoringshallnotbeusedotherthantheprovisionsoftheantennacouplingoutside.Wirelesstransceivercircuitrytobemade,notbythewirelesssendingandreceivingfinishedmodule.Whetherthechangesinillumination,themethodusedtoachieveocclusionphotoelectricsensor.2.Playsomeofthebasicrequirementstobeinthedetectiondelayanddetectionrangetomeettherequirementsunderthepremiseimplementation.3.TestingthedetectionofthenodepowerconsumptionofnodesinFigure2showsthedistributionmap,keepadistanceD+D1=50cm,bymeasuringthebatterysupplycurrentdetectionnodeAtoestimatethepowerconsumption.CurrenttestcircuitshowninFigure3.ThefigureforthefiltercapacitorcapacitanceC,currentmeterwith3½-digitmultimeterDCcurrentfileandreadthenormalworkofthemaximumdisplayvalue.IftheD+D1reach50cm,thisitemisnottested.4.Bodyofthereportshouldincludethedesignoftheoverallsystemblockdiagram,thecorecircuitschematic,themainflow,themaintestresults.Completecircuitdiagram,itisimportanttouseaccessoriesgivensource.无锡职业技术学院毕业设计说明书（英文翻译）2Spaceconstraints,youcanvisitanytime,anywhereInternet,nolongerhavetonetworkcablingandfrustration.However,wirelesscommunicationisthatpeoplearedream-relatedtechnology,withit,wedonothavethetimeduringtheexchangeofdatabytimeandthewirelessnetworktechnologyistoomuch,afterall,goodandbad.Thecurrentpopulartechnologyforasimpleintroduction.Narrow-bandwideareanetwork.1.HSCSDHSCSD(HighSpeedCircuitSwitchedData)forwirelessuserstoprovidewirelessdatatransmissionrateof38.3kbpstransmission,itisfasterthanstandardGSMcommunicationstandard4timesfasterdatarate,canbepreparedusingthefixedtelephoneUserscomparedtothedemodulator.Atpresent,GSMnetworktimeslotineachsinglechannelcanonlysupportoneuser,HSCSDbyallowingauseratthesametime,simultaneousaccesstomultiplechannelstodramaticallyimprovedataaccessrate.Buttheflyintheointmentisthatthiswillleadtousercosts.Assumingastandarddatatransferrateis14400bps,tousewith4slotHSCSDenabledataaccessrateupto57.6Kbps.CurrentlysupportsHSCSDphonewithNOKIA's6210and6250.2.GPRSGPRS(GeneralPacketRadioServicemulti-slot)isaveryeasyinterfaceandIPpacketswitchingbusiness,itsrateupto9.6~14.4kbps,orevenreach115kbps,andcantransmitvoiceanddata.ThistechnologyistoimproveInternetaccessspeedofthecurrenthottechnology,butalsomaybeusedinwideareanetwork.GPRSisconsideredtheGSMPhase2Enhanced(GSMPhase2+)accesstechnology.AlthoughGPRSpacketdatatran