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1、附 录附录A 外文资料DataCollectionAtpresent,themanagementofChina’scollegesanduniversities’apartmentsaredevelopingtowardstandardizationandmarketdevelopment,accidentshaveoccurredinelectricity,whilesomecollegesanduniversitieshaveinstalledapartmentenergymeteringcontrolsystem,however,thesesystemsmonit
2、ortheprevalenceoflowlevel,billingaccuracyislow,electricity-sharing,thenetworknumberofthedrawbacksoflowextent.Therefore，improvingtheEnergyMeasurementmonitoringdevicehasbecomemoreurgent．Theissueofstudenthostelsincollegesanduniversitiestomonitorenergymeteringsystemtostudy，designthestudentho
3、stelsincollegesanduniversitiesoftheelectricitydatacollectorapartment.Dataacquisition,alsoknownasdataacquisition,istheuseofadevicethatcollectdatafromoutsidethesystemandenterintoaninterfacewithinthesystem.Dataacquisitiontechnologyiswidelycitedinthevariousfields.Suchascamera,microphone,alld
4、atacollectiontools.Dataisbeingcollectedhasbeenconvertedtoelectricalsignalsofvariousphysicalquantitiessuchastemperature,waterlevel,windspeed,pressure,etc.,canbeanalog,itcanbedigital.Samplecollectiongenerallymeansthatacertaintimeinterval(calledthesamplingperiod)torepeatthesamepointofdataco
5、llection.Thedatacollectedaremostlyinstantaneousvalue,butalsoafeaturewithinacertainperiodoftimevalue.Accuratedatameasurementisthebasisfordatacollection.Datameasurementmethodofcontactandnon-contactdetectionelementsvaried.Regardlessofwhichmethodandcomponentsaremeasuredobjectdoesnotaffectthe
6、statusandmeasurementenvironmentasapreconditiontoensuretheaccuracyofthedata.Verybroadmeaningofdatacollection,includingcontinuousphysicalholdthecollectionacrossthestate.Incomputer-aidedmapping,surveyingandmapping,design,digitalgraphicsorimagedataacquisitionprocessmayalsobecalled,thistimeto
7、becollectedisthegeometricvolume(orincludephysicalquantities,suchasgray)data.[1]Intoday'sfast-growingInternetindustry,datacollectionhasbeenwidelyusedinthefieldofInternetanddistributeddataacquisitionfieldhasundergoneimportantchanges.First,thedistributedcontrolapplicationsin
