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1、附 录附录A 外文资料DataCollectionAtpresent,themanagementofChina’scollegesanduniversities’apartmentsaredevelopingtowardstandardizationandmarketdevelopment,accidentshaveoccurredinelectricity,whilesomecollegesanduniversitieshaveinstalledapartmentenergymeteringcon
2、trolsystem,however,thesesystemsmonitortheprevalenceoflowlevel,billingaccuracyislow,electricity-sharing,thenetworknumberofthedrawbacksoflowextent.Therefore，improvingtheEnergyMeasurementmonitoringdevicehasbecomemoreurgent．Theissueofstudenthostelsincolleg
3、esanduniversitiestomonitorenergymeteringsystemtostudy，designthestudenthostelsincollegesanduniversitiesoftheelectricitydatacollectorapartment.Dataacquisition,alsoknownasdataacquisition,istheuseofadevicethatcollectdatafromoutsidethesystemandenterintoanin
4、terfacewithinthesystem.Dataacquisitiontechnologyiswidelycitedinthevariousfields.Suchascamera,microphone,alldatacollectiontools.Dataisbeingcollectedhasbeenconvertedtoelectricalsignalsofvariousphysicalquantitiessuchastemperature,waterlevel,windspeed,pres
5、sure,etc.,canbeanalog,itcanbedigital.Samplecollectiongenerallymeansthatacertaintimeinterval(calledthesamplingperiod)torepeatthesamepointofdatacollection.Thedatacollectedaremostlyinstantaneousvalue,butalsoafeaturewithinacertainperiodoftimevalue.Accurate
6、datameasurementisthebasisfordatacollection.Datameasurementmethodofcontactandnon-contactdetectionelementsvaried.Regardlessofwhichmethodandcomponentsaremeasuredobjectdoesnotaffectthestatusandmeasurementenvironmentasapreconditiontoensuretheaccuracyoftheda
7、ta.Verybroadmeaningofdatacollection,includingcontinuousphysicalholdthecollectionacrossthestate.Incomputer-aidedmapping,surveyingandmapping,design,digitalgraphicsorimagedataacquisitionprocessmayalsobecalled,thistimetobecollectedisthegeometricvolume(orin
8、cludephysicalquantities,suchasgray)data.[1]Intoday'sfast-growingInternetindustry,datacollectionhasbeenwidelyusedinthefieldofInternetanddistributeddataacquisitionfieldhasundergoneimportantchanges.First,thedistributedcontrolapplicationsin
