智能家居技术外文翻译.docx
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智能家居技术外文翻译.docx
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智能家居技术外文翻译
外文翻译原文及译文
学院
计算机学院
专业
计算机科学与技术
班级
学号
姓名
指导教师
负责教师
2012年6月
SmartHomeTechnology
Linkyourhome'slighting,entertainmentandsecuritysystemswithnewautomatedhometechnology.
Smarthomeisexpectedtooffervariousintelligentservicesbyrecognizingresidentsalongwiththeirlifestyleandfeelings.Oneofthekeyissuesforrealizingthesmarthomeishowtodetectthelocationsofresidents.Currently,theresearcheffortisfocusedontwoapproaches:
terminal-basedandnon-terminal-basedmethods.Theterminal-basedmethodemploysatypeofdevicethatshouldbecarriedbytheresidentwhilethenon-terminal-basedmethodrequiresnosuchdevice..
Thereisagrowinginterestinsmarthomeasawaytoofferaconvenient,comfortable,andsaferesidentialenvironment.Ingeneral,thesmarthomeaimstoofferappropriateintelligentservicestoactivelyassistintheresident’slifesuchashousework,amusement,rest,andsleep.Hence,inordertoenhancetheresident’sconvenienceandsafety,devicessuchashomeappliances,multimediaappliances,andinternetappliancesshouldbeconnectedviaahomenetworksystem,asshowninFig.1,andtheyshouldbecontrolledormonitoredremotelyusingatelevision(TV)orpersonaldigitalassistant(PDA).
Especially,attentionhasbeenfocusedonlocation-basedservicesasawaytoofferhigh-qualityintelligentservices,whileconsideringhumanfactorssuchaspatternofliving,health,andfeelingsofaresident.Thatis,ifthesmarthomecanrecognizetheresident’spatternoflivingorhealth,thenhomeappliancesshouldbeabletoanticipatetheresident’sneedsandofferappropriateintelligentservicemoreactively.Forexample,inapassiveserviceenvironment,theresidentcontrolstheoperationoftheHVAC(heating,ventilating,andairconditioning)system,whilethesmarthomewouldcontrolthetemperatureandhumidityofaroomaccordingtotheresident’scondition.Variousindoorlocation-awaresystemshavebeendevelopedtorecognizetheresident’slocationinthesmarthomeorsmartoffice.Ingeneral,indoorlocation-awaresystemshavebeenclassifiedintothreetypesaccordingtothemeasurementtechnology:
triangulation,sceneanalysis,andproximitymethods[8].Thetriangulationmethodusesmultipledistancesfrommultipleknownpoints.ExamplesincludeActiveBadges,ActiveBats,andEasyLiving,whichuseinfraredsensors,ultrasonicsensors,andvisionsensors,respectively.Thesceneanalysismethodexaminesaviewfromaparticularvantagepoint.RepresentativeexamplesofthesceneanalysismethodareMotionStar,whichusesaDCmagnetictracker,andRADAR,whichusesIEEE802.11wirelesslocalareanetwork(LAN).Finally,theproximitymethodmeasuresnearnesstoaknownsetofpoints.AnexampleoftheproximitymethodisSmartFloor,whichusespressuresensors.
Alternatively,indoorlocation-awaresystemscanbeclassifiedaccordingtotheneedforaterminalthatshouldbecarriedbytheresident.Terminal-basedmethods,suchasActiveBats,donotrecognizetheresident’slocationdirectly,butperceivethelocationofadevicecarriedbytheresident,suchasaninfraredtransceiverorradiofrequencyidentification(RFID)tag.Therefore,itisimpossibletorecognizetheresident’slocationifheorsheisnotcarryingthedevice.Incontrast,non-terminalmethodssuchasEasyLivingandSmartFloorcanfindtheresident’slocationwithoutsuchdevices.However,EasyLivingcanberegardedtoinvadetheresident’sprivacywhiletheSmartFloorhasdifficultywithextendibilityandmaintenance.
Homeautomationhascomealongwayfromthemanualtimerhookeduptothelivingroomlight.Today's"smart"homeautomaticallyregulatesheat,airandlight,distributesaudioandvideoaroundthehouse,controlsaccesstoyourhomeandcanevenremindyoutoexercise!
Newtechnologiesandproductadvanceshavemadehometechnologysystemsmoreaffordablethaneverandhavebroughthomesystemsintegrationintothemainstream.Accordingtoastudydonein2004bytheNationalAssociationofHomeBuildersResearchCenterandtheConsumerElectronicsAssociation,nearlyhalfofallnewhomesbeingbuiltintheU.S.arenowusingstructuredcopper"smart"wiringtoenabletheinstallationofnewhometechnologysystems.
HowitWorks
Therearefourmaintypesofnetworksyoucaninstallinyourhometosupporttheavailablenewtechnology.Eachhasitsadvantagesanddisadvantagesdependingonwhetheryouarewiringanewhomeorupgradinganexistinghome.
∙Structuredwiringinvolvesrunningspecializedhighperformancecablingthroughoutyourhome.Itprovidesahighlyreliableandsecurenetworkthatdistributesdatasignalsforphones,computers,TVsandaudiocomponents.It'sidealfornewconstructionbutnotalwayseasytoinstallinanexistingho
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- 智能家居 技术 外文 翻译
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