资源描述：
《GPS定位系统计-毕业论文外文翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、外文资料翻译1.GPSobtainsthewide-spreadapplication,butitstillhadtheinsufficiency.GPShasbecomeaglobalhighandnewtechnologyindustry,whichisonekindofinformationinfrastructureandisenteringpeople'sdailylifegradually.Theexistenceinsufficiencyisveryobvious,itisthesystemwhichcontrolsbymilit
2、ary,anditisimpossibleatanytimeanyplaceguaranteecivil;Inthebustlingstreets,thejungle,orinthemaskandtheenvironmentbadsituation,itsusabilityisrestricted;Thesinglesystemitselfhasthelimitation,anditisimpossibletoguaranteeanyapplication.2.GLONASSreceivestheattention,butitisactuall
3、ydisappointing.GLONASSoncegavepeopletheveryoptimisticscene,therealityisheartlessbecauseoftheeconomicalandthetechnicaldualreasons,whichenableitonlyworksincompletely,nowonlyhastheinsufficiencytenstarwork,andisveryunstable.3.Galileoiforestallsopponentbyashowofstrength,withGPSco
4、mbinationapplicationforoverallmentality.TheGalileoplanliftsuphighthepurecivilflag,feelsrelievedforthehumanwiththesecuritysense.MoreoveritsannouncepubliclyandtheGPScompatibleinteraction,strengtheneditsattractionandthecompetitivepower,aswellasserviceguaranteepledge.Therichlyco
5、lorfulservicemaysatisfythedifferentscaleandtheapplicationdomaindemand.4.Themulti-systemcombinationisbetterandbetter,usingtheequipmentislimd.Manyyearslater,possiblyhasmanysatellitenavigationalsystemintheskymovement,isthebetterandbetter,oneisnotunnecessary;second,cannot14dotoo
6、usingthereceivercomplex,willotherwiseincreasethecostlargely,thebeingunablemasspromotion;third,willreceiveafterthesatellitenumberwillachievecertainnumber,thesatellitesignalmany(willnotbringtheobviousadvantageagain.Generallyhasthepairofsystemfoot.5.Theenhancementsystememergeso
7、neafteranotherincessantly,thefinaloutletisthemulti-system'scombination.Nowvarioussatellitenavigationenhancementsystememergesoneafteranotherincessantly,onlysaysbythemacrozonalityenhancementsystem,hasUS'sWAAS,Europe'sEGNOS,China'sCWAAS,Japan'sQZSS(alsohasonekindisMSAS).Oncehas
8、twocompletewholeworldguidancesystem(GNSS)work,in-orbitsatellitereaches50-60
