衍射式反射鏡成像系統(tǒng)的光學(xué)特性分析.pdf

1、東南大學(xué)碩士學(xué)位論文衍射式反射鏡成像系統(tǒng)的光學(xué)特性分析姓名：胡超然申請學(xué)位級別：碩士專業(yè)：電子科學(xué)與技術(shù)；電磁場與微波技術(shù)指導(dǎo)教師：竇文斌20120313AbstractAnalysisoftheOpticalPropertiesoftheImagingSystembasedonDiffractionMirrorStateKeyLabofMillimeterWaves，SoutheastUniversityAbstractWiththe

2、developmentoftheprecisionguidancetechnologyinfraredimagingtechnologyhasbeenmoreandmorewidelystudiedandusedIthasadvantageonangularaccuracyantielectronicjammingandautomatictargetrecognition，SOitCanbeusedinawiderangeoffield

3、siustaswarning。targetdetection，avimion，medicaltreatmentandSOonWiththemodemwarfareenvironmentanddetectionenvironmentbeingmoreandmorecomplex，ahigherdemandonimagingtechnologyhasbeenputforwardTheapplicationofinfraredimagingi

4、slimitedforitcan’tbeeffectiveimaginginthecloudsandotherbadweatherconditionⅥrhilemillimeterwavecanpenetratecloudsSOitcanrecognizethetarget，howeverithasitsdisadvantageonimagequalityandangularaccuracycomparedwithinfraredima

5、gingInfraredmillimeterwavecompoundimagingtechnologycanovercomeitsweaknesswhichimageatasinglebandInthispaperweproposeanewstructureofimagingsystemwhichhasabinarydiffractionmirrorbasedonCassegrainimagingItCanimageeffectivel

6、ysincethestructurereducesthemutualinterferenceinthedualbandWemainlydesignthesystemintheinfraredbandTomeetthedemandthesystemmusthasthe2。ofthefieldofviewmeanwhilesmallerobscurationarealsequiredThemaininnovationsandworksint

7、hispaperareasfollows：1verifytheraydiffractionpropagationmethodwhichusedintheimagingsystembasedondiffractionmirrorin3mmband2analyzethesystemandchoosethefightalgorithm、Ⅳhenweusetheraydiffractionpropagationmethodtocalculate

8、thesystem，wefindthatwemustintegralmanytimes，andeachtimewilloccupylotsofresourcesSoweireprovethesystemstructureandfinallyweuseraytracingmethodtocalculatethesystemininfraredband3Ininfraredbandweoptimizethesystem’Sfieldofvi

9、ewtoawiderange、№usethetwo—mirrorsystemprincipletodeterminetheinitialparameterofthestructure，thenweuseClanguageandraytracingmethodtocalculateopticalpath，spotpatternanddiffractedelectricfielddistributiongivenbytheStrattonC