毕业论文英文文献及翻译.docx

毕业论文英文文献及翻译.docx

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毕业论文英文文献及翻译

毕业论文英文文献及翻译

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BasedonGSMmoduleandAT89C51connectiondesignandapplication

---From《GSMprincipleanditsnetworkoptimization》chapterone

---From《Newsinglechipmicrocomputerinterfacedeviceandtechnology》chaptersix

Abstract

ThisarticlethroughanalyzedtheGSMmoduleandthemonolithicintegratedcircuitconnectiondesignsimplyintroducedtheTC35imodulecommonlyusedinstructionandthecodingrule,introducedemphaticallytheTC35imoduleandtheAT89C51principleofwork,theperipheryconnectionelectriccircuit,thesoftwarecontroltechnology,atthesametimehasproducedsomeTC35imoduleandtheAT89C51connectionapplicationprocedure,proposedAT89C51whenreceivedatashouldpayattentionquestion,thusdesignedhastheGSMmodulethedatatransmissionterminal.

Keywords:

GSMnetwork

1Summarize:

Alongwithcorrespondencetechniqueofdevelopment,accordingtotheservicefunctionoftheNTTDoCoMonet,justtoindustrycontrolandcontrolfromadistancetherealmhavecontinuouslyextensionoftrend.Isorientationthiskindofdemand,SiemenscompanyreleasedanewgenerationwirelesscorrespondenceGSMmoldpiece-TC35i,accordingtoshouldtheshortnewsfunctionofthemoldpiece,canfastsafetycredibilityrealizationcustomerinformationprocessingetc.function,specialbeapplicabletocontrolcentreandterminalequipmentsdistanceveryfar,orinconvenienceadoptionwiredcorrespondenceliequalityetc.situation,forexampletheoilwellinformationcollectbehindofdeliver,thelongrangecopyformsystem,citytransportationdirectionetc.allaccordingtotheTC35imoldpiecetorealization.

2TheapplicationofGSMnetwork:

GSMisGlobalSystemforMobileCommunicationsacronym,whichmeansGlobalSystemforMobileCommunicationsistheworld'sleadingcellularsystemsintheworld.GSMisbasedonnarrowbandTDMAstandardthatallowsradiofrequencyinagroupcallatthesametime8.GSM80duringtheriseinEurope,putintousein1991.Theendof1997,hasoperationsinmorethan100countries,EuropeandAsiahasbecomethestandardinfact,thatby2001,theworld's162countrieshavealreadybuilta400GSMcommunicationsnetwork.ButtheGSMsystemcapacityislimited,usersinthenetworkoverload,ithadtoconstructadditionalnetworkfacilities.WhatisgratifyingisthatGSMperformanceinotherareas,whichinadditiontoprovidingastandardizedlistandsignalingsystems,butalsoopenedupsomeofthemoreintelligentofthebusinesssuchasinternationalroamingandsoon.TheconvenienceofGSMmobilephoneisthatitprovidesasmartcard,knownasSIMcards,andcardcouldbeseparated,sothatthereplacementofmobilephoneusersandcustompersonalinformationinthisareaarefacilitated.

GSMnetworktoimproveafteryearsofdevelopment,isnowverymature,lessblindspots,signalstability,automaticroaming,andthecommunicationdistancefromtheimpactofthesurroundingenvironment.GSMshortmessageinparticular,flexibleandconvenient,youcancross-market,inter-provincialandevencross-bordertransmission,andeachsendashortmessageaslongasonedime,veryreliableandaffordable.Inaddition,themobilephoneSIMcardinrecentyearscanapplyfor0,somepackagesuselowercostthanfixed.Thereforetheuseofmobilephonemessagetoachievealarm,ultralong-rangeremotecontrolforindustrialequipment,transmissionofdataisaverygoodchoice.

 GSMmodule,isasimilarmobilecommunicationmodule,integratesanumberofmobilephonefunctionsonasinglesmallcircuitboard,itcansendSMSmessages,callsandsoon,themoduleissmall,butithasalotofmobilephonefunctionality,withitshaveequalisthecoreofthemobilephone,anditisinalotofapplicationshaveawiderangeofapplications,GSMmodulethroughtheuseofATcommandstocontrolit,modulescanbeconnectedtocomputerRS232serialport,canalsobeusedtocarryoutsingle-chipcontrol.Belowwecitesometypicalapplications:

2.1mobilephoneaccesscontrolsystem:

GSMAccessControlSystemusedtocontroltheelectriclockcontrol,ifyouneedtoenter,aslongasthecellphonecallusingGSMmodulesmobilenumber,willautomaticallyopenthedoor,andonlyyoucansetupcellphonenumberstoopenthedoor,andnocosts.

2.2threebillboardovertheweatherdisasteremergencyturnoff:

  Overthreebillboardsareconstantlyflipthroughthemotortoachieveanumberofadsdisplayed,becauseinstalledintheoutdoors,whenthereiswind,hailandotherweatherdisasters,billboardscouldeasilybeblownbadordamagedcarddie,wheninneedofemergencyshutdown,Youcannormallyclosedrelaycontacttocontrolthepowerofadvertising,whenyouneedtodoissend"turnoff"controlmessage,thebillboardwillautomaticallyturnoff,andautomaticallyafteracertaintimedelayautomaticallyreturntonormaljob（generallydisastrousweatherwillnotcontinueforalongtime）inadvanceifyouwanttoopenabillboard,youcansend"Open"controlmessage.

2.3engineeringsystembalancereminders:

  Someworksaresafeafterthecompletionofthenormaloperationafteraperiodoftimetosettlethebalance,iftheencountermaliciousclientstheoutstandingpurchaseprice,ofteninstalledsideveryheadache,becauseequipmenthasbeeninstalled,ifthelossofagreatcomebackdown,particularlyinthefieldcustomerverycostlywhentheclientsystemcanbeinstalledintheGSMmodule,useitallthewaytocontrolsystemorthewaysomeofthekeypoints,whenthecustomerpaidinarrearswhenthemaliciousmessagecanturnoffsomefeatures,forcingcustomerstopaythepurchasepricethenimmediatelyopenmessage,ifyouhaveasmoothrecoveryofthepurchasepricecanalsobethenameofsystemmaintenancebytheGSMmoduleremovedfromtheclientsystem.

2.4monitoringsystemsorWebserversandresetthealarm:

Monitoringsystemorwebserverrunningafteralongperiodafterdeathmaybewrong,thistimetopoweronresetistheonlysolutionatthistimethroughtheGSMmodulecancontrolsystempower,andsettoopenautomaticallyafter3secondsturnoffmode,canachievepowerreduction,inaddition,GSMmoduleinsomespecialapplicationareasalsoplayedaverylargerole,suchas:

thedisappearanceofthemainpowersupply,memoryerrors,fanshutdown,fueldepletion,itwastheinvasionandotherinformation,arenotpeopletheidealchoiceformonitoringtheengineroom.

2.5theremotecontrolofhomeappliances:

 Throughthemessagecaneasilyachievetheremotecontroltoopenricecookers,waterheatersandotherappliancesbyremotecontrolorswitchtorepairmodecanalsocontroltheair-conditioningGSMglobalwirelessmobilecommunicationnetworkcontrolalarmhost,usingtheglobalGSMshortmessagedatatransmissionmodeandvoice-enabledplatformforthecompletionofintelligentdatatransmissionandremotecontrolalarm,setthehostfamily,shops,officesafety,electricalcontrol,remotemonitoring,suchasIntelligenthomefunctions,becauseoftheglobalGSMwirelessmobilecommunicationnetworksignalcoverageareaofCanton,andtrulyrealizethelow-costhigh-qualityultra-long-distanceconvenientandflexibleintelligentwirelesscontrolandalarm,tosolvethefixed-linetelephoneorcablebroadbandnetworkwiredalarmlimitations.GSMglobalwirelessmobilecommunicationsnetworkinpopularityallovertheworld,theGSMglobalwirelessmobilecommunicationnetworkcontrolalarmcanbewidelyusedinasinglehostfamily,communityproperty,electricity,transportation,petroleum,coal,railway,municipalandpublicsecuritydepartmentsofthesecurityindustrypreventiondevices,datamonitoringandremotemonitoringsystem.WirelessRoad,with11defenseareas,2-wayCableStandoff,differentdefenseareaalarm,alarmandmessagecontrol,separatefromadefendedposition,remotecontrol,homeappliancecontrol,linkagetotakephotographswiththelatestalarmcenternetworkcharacteristics.

Features:

1.Wirelesssuspectsunderstrictsurveillance,nowiring,andeaseofinstallation.

2.Cablesuspectsunderstrictsurveillance,safeandreliable.

3.Wirelessremotecontrolsecurity/fromadefendedposition,easytooperate.

4.Adaptabilitywidelyusedglobal-bandwirelessmobilenetworks.

5.Passwordsettings,confidentialitystronger.

6.Alarm,thehigh-decibelalarmsoundtodeterthieves.

7.HostautomaticallytosixgroupsofmobilenumberstosendSMSalerts.Alarmmessageandatelephonecanbesetup

8.Hostautomaticallydialthesixgroupsofmobileorfixedtelephonewarning,start-sitemonitoring.

9.Presetscenealarmandalarmmessage

10.Withemergencyalarmfunction,canpreventthievesburglary,detectionofgasleaksandsmokefire.

11.CommunicateelectricmissingDetectandalarm,topreventtheintentionaldestructionofthepowersystemandpowerfailuremonitoring.

12.Communicateafterthelossofelectricityautomaticallyswitchtoaback-upbattery.13.AvailablethroughGSMnetworkplatformandnetworkingalarmcenter.

14.SupportedmessageinChineseorEnglishinstructions.

15.Handsetintercommode:

Matchingintercomcalls,andalarmcanbetwo-wayintercom,real-timeclearpoliceintelligencetopreventunnecessaryalarm.

3TheTC35imoldpieceintroduction

Currently,domesticalreadybeginningusageoftheGSMmoldpiecehavealot,andtheseoffunction,methodofusingdifferencenotbig.WhatthisdesignadoptionisaSiemensTC35theTC35ioftheseries.OnthiskindofwirelessmoldpiecefunctionandTC35andpermit,designtightlypacked,consumedlycontractedthephysicalvolumeofcustom