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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时间:2017-10-08

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1、BasedonGSMmoduleandAT89C51connectiondesignandapplication---From《GSMprincipleanditsnetworkoptimization》chapterone---From《Newsinglechipmicrocomputerinterfacedeviceandtechnology》chaptersixAbstractThisarticlethroughanalyzedtheGSMmoduleandthemonolithicintegratedcircuitconn

2、ectiondesignsimplyintroducedtheTC35imodulecommonlyusedinstructionandthecodingrule,introducedemphaticallytheTC35imoduleandtheAT89C51principleofwork,theperipheryconnectionelectriccircuit,thesoftwarecontroltechnology,atthesametimehasproducedsomeTC35imoduleandtheAT89C51co

3、nnectionapplicationprocedure,proposedAT89C51whenreceivedatashouldpayattentionquestion,thusdesignedhastheGSMmodulethedatatransmissionterminal.Keywords:GSMnetwork1Summarize:Alongwithcorrespondencetechniqueofdevelopment,accordingtotheservicefunctionoftheNTTDoCoMonet,just

4、toindustrycontrolandcontrolfromadistancetherealmhavecontinuouslyextensionoftrend.Isorientationthiskindofdemand,SiemenscompanyreleasedanewgenerationwirelesscorrespondenceGSMmoldpiece-TC35i,accordingtoshouldtheshortnewsfunctionofthemoldpiece,canfastsafetycredibilityreal

5、izationcustomerinformationprocessingetc.function,specialbeapplicabletocontrolcentreandterminalequipmentsdistanceveryfar,orinconvenienceadoptionwiredcorrespondenceliequalityetc.situation,forexampletheoilwellinformationcollectbehindofdeliver,thelongrangecopyformsystem,c

6、itytransportationdirectionetc.allaccordingtotheTC35imoldpiecetorealization.2TheapplicationofGSMnetwork:GSMisGlobalSystemforMobileCommunicationsacronym,whichmeansGlobalSystemforMobileCommunicationsistheworld'sleadingcellularsystemsin14theworld.GSMisbasedonnarrowbandTDM

7、Astandardthatallowsradiofrequencyinagroupcallatthesametime8.GSM80duringtheriseinEurope,putintousein1991.Theendof1997,hasoperationsinmorethan100countries,EuropeandAsiahasbecomethestandardinfact,thatby2001,theworld's162countrieshavealreadybuilta400GSMcommunicationsnetwo

8、rk.ButtheGSMsystemcapacityislimited,usersinthenetworkoverload,ithadtoconstructadditionalnetworkfacilities.Whatisgratifyingis

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