无线网络++wireless_sensor+networks+08

《无线网络++wireless_sensor+networks+08》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、WirelessSensorNetworks巨型机说：“我认为全球大概只需要五台计算机就够了”；PC机说：“每个家庭的桌面上都应该有一台电脑”;PocketPC说：“太大了，应该每人口袋里放一台”;WSN说：“每粒沙子都应该是一台计算机”。1OutlineGeneralCommentsWirelessSensorNetworkApplicationsArchitectureofWSNOverviewofSensorHardwareCharacteristicofWSNOurWork2OutlineGeneralCommentsWirelessSenso

2、rNetworkApplicationsArchitectureofWSNOverviewofSensorHardwareCharacteristicofWSNHotIssuesOurWork3Sensornetwork:AnewresearchhotspotAugust2003BusinessWeekprojects"SensorsandSensorNetworks".tobeoneof4KeyTechnologyWavesoftheFuture《国家中长期科学和技术发展规划纲要》将传感器网络列为重点研究领域4Faster,Smaller,Numer

3、ousMoore’sLaw“Stuff”(transistors,etc)doublingevery1-2yearsBell’sLawNewcomputingclassevery10yearsyearlog(peoplepercomputer)Source:TheMoteRevolution:LowPowerWirelessSensorNetworkDevicesStreamingDatato/fromthePhysicalWorld5What’sareWirelessSensorNetworksWirelessnetworksareusuallyc

4、omposedofsmall,low-costdevicesthatcommunicatewirelesslyandhavethecapabilitiesofProcessing,SensingandStoringThepurposeistomeasuredifferentphysicalparametersinagivenenvironment,inordertocharacterizeitsproperties,ortotakedecisionsdependingonthesemeasurements.6EnablingTechnologiesEm

5、beddedNetworkedSensingControlsystemw/SmallformfactorUntetherednodesExploitcollaborativeSensing,actionTightlycoupledtophysicalworldEmbednumerousdistributeddevicestomonitorandinteractwithphysicalworldNetworkdevicestocoordinateandperformhigher-leveltasksExploitspatiallyandtempora

6、llydense,insitu,sensingandactuation7OutlineGeneralCommentsWirelessSensorNetworkApplicationsArchitectureofWSNOverviewofSensorHardwareCharacteristicofWSNHotIssuesOURWORK8WirelessSensorNetworkApplicationsMilitaryApplicationsEnvironmentalApplicationsHealthApplicationsHomeApplication

7、sIndustrialApplicationsOtherCommercialApplicationsApplication<——>WSN9MilitaryApplicationsenemytracking,battlefieldsurveillancetargetdetectionandclassification10AnExample:CounterSniperSystemUsingthearrivaltimesoftheacousticeventsatdifferentsensorlocations,theshooterpositioncanbea

8、ccuratelycalculatedusingthespeedofsoundandthelo