1、n女——茸中奸鬣火垮碩士學位論文編々墨煎逞金墊疊墼絲圭魚堂塹塑塑學位申請人姓名：墼垂垂申請碩士學位類別：全墮劌塑申請學位專業(yè)方向：瘞旦墼鱟指導教師姓名：芒璺亟燃⑨碩士學位論丈MASTER’STHESISAbstractInthispaperweconsiderthescatteringofanelectromagnetictimeharmonicplanewavebyaninfinitecylindricalconductorIfthe

2、conductorisanopenarcinR2wecanconsidertheproblemofscatteringbyallopenarcinR2WeassumethatthearcisdividedintotwopartswithdifferentboundaryvalueconditionsSoitcanbeconsideredasthefollowingscatteringproblemoftheHelmhotzequatio

3、nAUk2U=0弭=0，警=0，∥一=0。z∈R2＼f，onr，on耳，oft巧，等ikAV=0，on時，(木)The∥denotestheunitnormaltothecorrespondingboundaryUistotalwave∥isincidentwave，ddenotestheincidentdirection，besides，thescatteringwavemustsatisfySommerfeld’sradiation

4、conditionApplyingpotentialtheory，theproblemcanbereformulatedasaboundaryintegralsystemWeobtaintheexistenceanduniquenessofasolutiontothesystembyusingFredholmtheoryKeywords：Helmholtzequation；Boundaryintegralequation；Existen