磁镜阵列像增强器的.研究

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1、西安理工大学硕士学位论文HomogeneityofMagnetieFieldinsideMagnetieMirmrArayDevieehasbeenealeulatedandanalyzed.ThemaximumandminimummagnetiefieldehangeratesofmagnetiemirorunderidealParametersare19.20%and35.23%resPeetively.ThevertiealandtransverseehangeratesunderexPerimentalParamet

2、ersare37.72一53.56%and2.10一57.30%resPeetively.50theefeetontheboundeleetronsbythehomogeneityofmagnetiefielddistribution15obviousthattheeseaPeProbabilityofeleetroninsidethevertiealandtransversemagnetiefieldofmagnetiemirmr15lagerwhiletheboundradius15smallerthanthatofmi

3、ddle.ModulationTransferFunetion(MTF)ofMMAllareealeulated，andtheimPaetofimagequalityareanalyzedWhenthisdevieeaPPlystotheimagingsystem，MTFofthethreegrouPsoPtimiZationPal田刀eterseanbereaehed0.53一0.54atNyquistFrequeney.BycaleulatingtheescaPeeoneangleoftheelectroninthema

4、gneticmirorfieldtoanalyzetheabilityofeonstraintingelectron，thustheanalysisofnoisesouree15eomPlete.TheexPerimenidemonstratesthateonstrainiedeleetronedueedfrommagnetiethI0ataseertainanglewhieheanbeeontroledbythevoltage.Andit15Provethatthelight一sizedPermanentmagnetean

5、eonstrainteleetronsofsuitableenergyefeetivelybytheotherexPerimentwhichalsodemonstratesthefeasibilityofmagnetiemiror翻汀aydeviee.Keywords:low一light一levelimaging:imageintensifier:magnetiemirmrarydeviee:distributionofmagnetiefield:MTF目录目录1概述.............................

6、........................................................................................................……21.1夜视技术概述..........................................................................................................……21.2微光像增强器的发展情况..…，......................

7、.........................................……，..........……31.2.1像增强器的发展历程...................................................................................……31.2.2图像增强型CCD(ICCD)............................................……，.....................……51.2.3微光像增强器的发展现状..

8、.........................................................................……61.3本文研究目的及意义.........................................................