英语翻译
real-timeaccess,andin-networkprocessingmakeaqualitativedifferenceinourabilitytoperceivewhatishappeningthroughoutlargephysicalstructures.Inenvironmentalmonitoringandcondition-basedmaintenance,thepurposeofdatacollection,thepartiesresponsibleforusingthedataandthescopeofdisseminationareclear.Thesituationbecomesmuchlessclearinmorecasualsettingsinwhichmoregeneralhumanactivityoccurs,suchasthehome,theworkplace,atransportationterminal,orashoppingvenue.Inthesecases,manypotentiallyinterestedpartiescanhavevaryingusesforthedata.Moredetailedsensing---suchasoccupancy,motion,andevenphysiologicalstate---furtheramplifiesconcernsoverproperuseanddissemination.Indeed,imagedata,suchasthatobtainedbythesurveillancecamerasinpervasiveusetoday,canbeviewedasanextremelypowerfulsensor,butnetworkaccessandautomatedanalysisarelimited.Thesesocialfactorsareaninherentconcernwithsensornetworktechnology.Fortunately,thisareahasbecomeanactivefocusofresearchwhilethetechnologyisstillinitsearlystages.Insummary,thearticlespannovelsensornetworkapplications,embeddednetworktechnology,andsystemsdesignchallenges.Thethreeprojectsdescribedin"SensorNetworkApplications"demonstratethatdeployingsensornetworkstomonitorthenaturalenvironmentrequiresanunderstandingofearthsciencecombinedwithsensor,communications,andcomputertechnology.
In"EnvironmentalSensorNetworks,"KirkMartinezandhiscoauthorsfromtheUniversityofSouthamptondescribetheirGlacsWebprojectfocusingonongoingresearchinsubglacialbeddeformationanddiscussthechallengesencounteredinextractingdatagatheredbysensornodesdeployedinremotelocations.