内容说明详解chapter fundamental 1.pptx

InstrumentationMeasurements(BSE3422)EngineeringCourseBoardFundamentalsinmeasurementandErrorsExperimentalDataPresentation

InstrumentationMeasurements(BSE3422)EngineeringCourseBoardExperimentalDataandPresentationToproduceeffectivemeasurementresults,youmustRecordyourdatainamannerthatisclearpleteandwithoutambiguityPrepareareportthatdescribesthemeasurementanditsresultsforthosewhomaybeinterestedinusingthemPresenttheresultinanefficientandconvenientwayofportrayingandanalyzingdata

InstrumentationMeasurements(BSE3422)EngineeringCourseBoardMeasurementRecordingandReportingTherecordsoftheexperimentonthedatasheetshouldbecompleteenoughtospecifyexactlywhatwasdoneand,ifneedbe,toprovideaguideforduplicatingtheworkatalaterdate.Thereportpresentedattheendofameasurementshouldalsobecarefullyprepared.Itsobjectiveistoexplainwhatwasdoneandhowitwasplished.

InstrumentationMeasurements(BSE3422)EngineeringCourseBoardTheformofthereportAbstractofresultsandconclusionsEssentialdetailsoftheprocedure,analysis,data,anderrorestimatesSupportinginformation,calculations,andreferences

InstrumentationMeasurements(BSE3422)EngineeringCourseBoardGRAPHICALPRESENTATIONOFDATAGraphsareusedtohelpvisualizeanalyticexpressions,tointerpolatedataandtodiscusserrors.Todetectexperimentalerrors,itisdesirabletoplotthetheoreticaldatabeforeanexperimentisperformed.Then,astheexperimentisperformed,theactualdataarecomparedwiththepredicteddata.

InstrumentationMeasurements(BSE3422)EngineeringCourseBoardTheusualconventionistoplotthedependentvariable(i.e.,thecontrolledparameter,suchastheinputvoltage)ontheabscissa(horizontalaxis),andtheindependentvariable(i.e.,themeasuredresponsetothecontrolledparameter)ontheordinate(verticalaxis).Clarityofthepresentationisveryimp