欢迎来到天天文库
浏览记录
ID:37348811
大小:4.67 MB
页数:58页
时间:2019-05-22
《激光全息干涉法测量液相扩散系数及图像处理研究》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、大连交通大学硕士学位论文激光全息干涉法测量液相扩散系数及图像处理研究姓名:涂娟申请学位级别:硕士专业:机械电子工程指导教师:费继友20081213AbstractTheimageprocessingtechnologyhavebeenappliedtomoreandmorefields弱wellasitisdevelopingrapidly.Digitalimageprocessingtechnologyisdevelopingtowardshighprocessingquality,itsalgori
2、thmshavebeenoptimized,itsspeedhavebeenhigher,anditisultimateobjectivetosolvepracticalproblemstobeappliedtoothersubjects.Withthemasstransferprocessresearchinchemicalengineeringgraduallydeepenedanditsapplicationfieldexpanded,concentrationdistribution,diffu
3、sioncoefficientandmasstransfercoefficienthavebecometheextremelyimportantfactorsaswellasthedesignanddevelopmentinchemicalengineering.Laserholographicinterferometrymethodhassomeadvantagesuchasnon-contactmeasure,hi曲sensitivity,moreinformation,hilghprecision
4、andsoon.Associating诚ththismethod,ameasuresysteminmasstransferprocessiSestablishedbasedontheimageprocessingtechnology.Basedonamultitudeofliterature,thepaperreviewedthatthetheoryresearchtechniqueandtheexperimentalresearchtechniqueofthediffusioncoefficients
5、,anddigitalimageholographicinterferometryWasUSedinthemeasurementofliquidmassdiffusioncoefficients,SOweemployeddigitalimageholographicinterferometrymeasurementofliquidmassdiffusioncoefficients.Anexperimentalopticalsystembasedondigitalimageholographicinter
6、ferometrymeasurementofliquidmaSsdiffusioncoe伍cientsWaSdesignedandconstructed.Basedontheestablishmentofthereal—timedigitalimageholographicinterferometrymeasurementofliquidmassdiffusioncoefficientsbeampathexperimentalsystem,improvethequalityofthedigitalhol
7、ographicinterferometryimage,enhancethestabilityoftheexperimentalsystemandimprovetheaccuracyoftheexperimentalsystem.Accordingtocharacteristicsoftheinterferograms,employingsuchkeytechniquesofdigitalimageprocessingastheimageenhancing,theinterferencefringesr
8、ebuildingandthephaseunwrappingtoprocesstheinterferograms,andthekeytotheimageprocessingisthephaseunwrapping,thephaseunwrappingalgorithmbasedontheSolutionofdiscretePoissonequationispresentedinthispaper,thephasedifferenceWaso
此文档下载收益归作者所有