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1、附 录附录A 外文资料DataCollectionAtpresent,themanagementofChina’scollegesanduniversities’apartmentsaredevelopingtowardstandardizationandmarketdevelopment,accidentshaveoccurredinelectricity,whilesomecollegesanduniversitieshaveinstalledapartmentenergymeteringcontrolsystem,however,thesesyst
2、emsmonitortheprevalenceoflowlevel,billingaccuracyislow,electricity-sharing,thenetworknumberofthedrawbacksoflowextent.Therefore，improvingtheEnergyMeasurementmonitoringdevicehasbecomemoreurgent．Theissueofstudenthostelsincollegesanduniversitiestomonitorenergymeteringsystemtostudy，de
3、signthestudenthostelsincollegesanduniversitiesoftheelectricitydatacollectorapartment.Dataacquisition,alsoknownasdataacquisition,istheuseofadevicethatcollectdatafromoutsidethesystemandenterintoaninterfacewithinthesystem.Dataacquisitiontechnologyiswidelycitedinthevariousfields.Such
4、ascamera,microphone,alldatacollectiontools.Dataisbeingcollectedhasbeenconvertedtoelectricalsignalsofvariousphysicalquantitiessuchastemperature,waterlevel,windspeed,pressure,etc.,canbeanalog,itcanbedigital.Samplecollectiongenerallymeansthatacertaintimeinterval(calledthesamplingper
5、iod)torepeatthesamepointofdatacollection.Thedatacollectedaremostlyinstantaneousvalue,butalsoafeaturewithinacertainperiodoftimevalue.Accuratedatameasurementisthebasisfordatacollection.Datameasurementmethodofcontactandnon-contactdetectionelementsvaried.Regardlessofwhichmethodandcom
6、ponentsaremeasuredobjectdoesnotaffectthestatusandmeasurementenvironmentasapreconditiontoensuretheaccuracyofthedata.Verybroadmeaningofdatacollection,includingcontinuousphysicalholdthecollectionacrossthestate.Incomputer-aidedmapping,surveyingandmapping,design,digitalgraphicsorimage
7、dataacquisitionprocessmayalsobecalled,thistimetobecollectedisthegeometricvolume(orincludephysicalquantities,suchasgray)data.[1]Intoday'sfast-growingInternetindustry,datacollectionhasbeenwidelyusedinthefieldofInternetanddistributeddataacquisitionfieldhasundergoneimportantchanges.F
8、irst,thedistributedcontrolapplicationsin
