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ID:31951558
大小:7.14 MB
页数:59页
时间:2019-01-29
《磁镜阵列像增强器的.研究》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
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.........................................................
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