高頻方法的改進及在等離子體涂敷中的應用.pdf

1、南京理工大學碩士學位論文高頻方法的改進及在等離子體涂敷中的應用姓名：周環(huán)申請學位級別：碩士專業(yè)：電磁場與微波技術指導教師：樊振宏陳如山20100601Abstract碩士學位論文AbstractWiththedevelopmentoftheelectromagnetictechnology，analyzingtheelectromagneticcharacteristicoftheelectricallylargesizetargets

2、becomesimportantTherapidanalysistheRCSofelectricallargetargethasallimportantsignificanceonthestealthtechnologyandantistealthtechnologyIt’SveryefficienttosolvetheRCSofelectricallargetargetbyphysicaloptics(PO)andshootingan

3、dbouncingrays(SBR)methods，andbasedonhighfrequencymethod，anapproachenablingacceleratedshootingandbouncingrays(SBR)simulationstodeterminethebackscatteringpropertiesofelectricallylargeandcomplexobjectsispresentedAndthen，Iti

4、sefficienttostudynearfiledRCSofscatteringtargetsandthescatteringcharacteristicofplasmacoatedtargetbasedonthemethodofPOforMilitarydevelopmentThemainworkofthisdissertationisasfollows：FirstlythePOandtheSBRmethodsinhighfrequ

5、encymethodsareintroducedindetailinthepaperandMonostaticbistaticequivalenceisusedtoacceleratePOandSBRsimulationstodeterminetheRCSofelectricallylargeandcomplexobjectsSecondlythethesisintroducestheconceptofnearzoneandfarzon

6、e，thepropertiesofnearzonetargetEMscatteringFinallyasaresultofthedevelopmentforradarstealthytechnique，thepropertiesofplasmaandtheeffectsoftheparametersofplasmaonthereflectioncoefficientarestudied：Thenthescatteringfieldsfr

7、ominhomogeneousplasmacoatedtargetsarediscussedindetailPhysicsoptics(PO)isappliedtocalculateRCSofmissilecoatedbyinhomogeneousplasmaKeywords：Electromagneticscattering，RCS，PO，SBRraytracing，Monostaticbistatieequivalence，near