资源描述：
《Software Support for Metrology.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、SoftwareSupportforMetrologyBestPracticeGuideNo.4DiscreteModellingandExperimentalDataAnalysisRMBarker,MGCox,ABForbesandPMHarrisApril2004Version2.0SoftwareSupportforMetrologyBestPracticeGuideNo.4DiscreteModellingandExperimentalDataAnalysisRMBarker,MGCox,ABForbesandP
2、MHarrisCentreforMathematicsandScientificComputingApril2004ABSTRACTMetrology,thescienceofmeasurement,involvesthedeterminationfromexperi-mentofestimatesofthevaluesofphysicalquantities,alongwiththeassociateduncertainties.Inthisendeavour,amathematicalmodelofthemeasurem
3、entsystemisrequiredinordertoextractinformationfromtheexperimentaldata.Modellinginvolvesmodelbuilding:developingamathematicalmodelofthemeasurementsystemintermsofequationsinvolvingparametersthatdescribealltherelevantaspectsofthesystem,andmodelsolving:determiningesti
4、matesofthemodelparametersfromthemeasureddatabysolvingtheequationsconstructedaspartofthemodel.Thisbest-practiceguidecoversallthemainstagesinexperimentaldataanalysis:constructionofcandidatemodels,modelparameterisation,uncertaintystruc-tureinthedata,uncertaintyofmeas
5、urements,choiceofparameterestimationalgorithmsandtheirimplementationinsoftware,withtheconceptsillustratedbycasestudies.TheGuidelooksatvalidationtechniquesforthemaincomponentsofdiscretemodelling:buildingthefunctionalandstatisticalmodel,modelsolvingandparameterestim
6、ationmethods,goodnessoffitofmodelsolutionsandexper-imentaldesignandmeasurementstrategy.Thetechniquesareillustratedindetailedcasestudies.Version2.0cCrowncopyright2004ReproducedbypermissionoftheControllerofHMSOISSN1471–4124Extractsfromthisguidemaybereproducedprovided
7、thesourceisacknowledgedandtheextractisnottakenoutofcontextAuthorisedbyDrDaveRayner,HeadoftheCentreforMathematicsandScientificComputingNationalPhysicalLaboratory,QueensRoad,Teddington,Middlesex,UnitedKingdomTW110LWContents1Introduction11.1Mathematicalmodellinginmetr
8、ology...............11.2ScopeandstructureofthisGuide.................21.3Discretemodellingresources....................31.3.1Referencebooks.............
