[电子信息工程] 本科论文英文文献翻译.doc

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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,andradioincludedinyourmobi

2、lephone.Rich-mediainformationandentertainmentwillbeatyourfingertipswheneveryouwantanywherethereisawirelessnetwork.Mobilecommunicationismovingfromsimplevoicetorichmedia,whereweusemoreofoursensestointensifyourexperiences.Butnotallofthiswillhappenatonce.3Gisanevolut

3、iontoacommunicationsidealthatnoonecompletelyunderstandsyet.WhatwedoknowisthatmobilemultimediawillhittheJapanesemarketsin2001,andEuropeandNorthAmericawillfollowsoonafter.3Gbringstogetherhigh-speedradioaccessandIP-basedservicesintoone,powerfulenvironment.Thesteptow

4、ardsIPisvital.IPispacket-based,whichinsimpleterms,meansuserscanbe"online"atalltimes,butwithouthavingtopayuntilweactuallysendorreceivedata.TheconnectionlessnatureofIPalsomakesaccessalotfaster:filedownloadscantakeafewsecondsandwecanbeconnectedtoourcorporatenetworkw

5、ithasingleclick.3Gintroduceswidebandradiocommunications,withaccessspeedsofupto2Mbit/s.Comparedwithtoday'smobilenetworks,3Gwillsignificantlyboostnetworkcapacity-sooperatorswillbeabletosupportmoreusers,aswellasoffermoresophisticatedservices.3G-Athome3Gisgoingtoaffe

6、ctourhomeandsociallivesinmanyways.Theservicesthat3Genableswillhelpustomanageourpersonalinformation,simplifytaskssuchasgroceryshopping,makebetteruseofourtimeandofferservicesthatarejustfuntouse.Operatorswillbeabletodevelopmyriadnewserviceopportunitiestoattractandre

7、tainnewcustomers.Herearesomeexamples:·You'resittingonatrainandusethis"dead"timetologontoyourbankaccount,checkyourbalanceandpayafewbills-allthroughyour3Gdevice.Yousavetimeandcanbesmarteraboutmanagingyourfinances.·Onatouringvacation,youarriveinanewcity.Youhaven'tma

8、deanyreservationsinadvance,becauseyoucandothiswhenyougetthere,byusingyour3Ghandsettoobtainup-to-dateinformation,includinghotelvacancies.Havingbookedaroom,youca