英文课演讲 物联网IOT.ppt

文档介绍：OfThings(IOT)(物联网)(唯一标识对象)andtheirvirtualrepresentations(虚拟表示形式)-’putingresources(hardwareandsoftware)work().TherelationshipworklayerPerceptionlayerPerceptionlayeristheskinandfacialfeaturesofIOT,worklayeristhenervecenteofIOT,andusedtotransmitinformationApplicationlayeristhebrainofIOT,(感知层)Perceptiontechnology(感知技术):PerceptionmaterialsinformationRFID(RadioFrequencyIdentification)(无线电频率识别)technology:IntelligentidentificationMicroelectromechanicalsystem(MEMS)(微机电系统):GatheringinformationGPS/GIStechnology:globalpositioning/geographicinformationsystem(全球定位/地理信息系统)work(WSN)technology(无线传感器网络)Wi-Fi(WirelessFidelity,wi-work,,work,work(GSMsystembasedonwirelesspacketswitchingtechnology,providesend-to-end,wide-areawirelessIPconnection)works(广播和电视网络),NGB(works):putingSystemIntegrateIndustryApplicationResourcePackage