外文翻译--3g技术_学位论文.doc

外文翻译--3g技术_学位论文.doc

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时间:2018-07-21

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1、外文资料翻译学院:电子工程学院系(专业):电子信息工程班级:电子061姓名:学号:指导教师评语:签名:年月日一:外文原文3GTECHNOLOGYAlthoughthetechnologybehind3Gmayseemcomplicated,thewaysinwhich3Gwillaffectallofourlivesareeasytoimagine.Justimaginehavingacombinedcamera,videocamera,computer,stereo,andradioincludedinyourmobilephone.Rich-medi

2、ainformationandentertainmentwillbeatyourfingertipswheneveryouwantanywherethereisawirelessnetwork.Mobilecommunicationismovingfromsimplevoicetorichmedia,whereweusemoreofoursensestointensifyourexperiences.Butnotallofthiswillhappenatonce.3Gisanevolutiontoacommunicationsidealthatnoone

3、completelyunderstandsyet.WhatwedoknowisthatmobilemultimediawillhittheJapanesemarketsin2001,andEuropeandNorthAmericawillfollowsoonafter.3Gbringstogetherhigh-speedradioaccessandIP-basedservicesintoone,powerfulenvironment.ThesteptowardsIPisvital.IPispacket-based,whichinsimpleterms,m

4、eansuserscanbe"online"atalltimes,butwithouthavingtopayuntilweactuallysendorreceivedata.TheconnectionlessnatureofIPalsomakesaccessalotfaster:filedownloadscantakeafewsecondsandwecanbeconnectedtoourcorporatenetworkwithasingleclick.3Gintroduceswidebandradiocommunications,withaccesssp

5、eedsofupto2Mbit/s.Comparedwithtoday'smobilenetworks,3Gwillsignificantlyboostnetworkcapacity-sooperatorswillbeabletosupportmoreusers,aswellasoffermoresophisticatedservices.3G-Athome3Gisgoingtoaffectourhomeandsociallivesinmanyways.Theservicesthat3Genableswillhelpustomanageourperson

6、alinformation,simplifytaskssuchasgroceryshopping,makebetteruseofourtimeandofferservicesthatarejustfuntouse.Operatorswillbeabletodevelopmyriadnewserviceopportunitiestoattractandretainnewcustomers.Herearesomeexamples:·You'resittingonatrainandusethis"dead"timetologontoyourbankaccoun

7、t,checkyourbalanceandpayafewbills-allthroughyour3Gdevice.Yousavetimeandcanbesmarteraboutmanagingyourfinances.·Onatouringvacation,youarriveinanewcity.Youhaven'tmadeanyreservationsinadvance,becauseyoucandothiswhenyougetthere,byusingyour3Ghandsettoobtainup-to-dateinformation,includi

8、nghotelvacancies.Havingbookedaroom,youca

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