基于Matlab的矩形波导场分布仿真实验研究

Matlab1,2,1,1(1.,163318;2.,163314):,Matlab,TE10,,:;;Matlab;:TN011;TP391.9:A:100224956(2010)0320074204ResearchonsimulationexperimentsoffielddistributionofrectangularwaveguidebasedonMatlabLXiuli1,LiYanju2,WangMingji1,LiXianli1(1.CollegeofElectronicScience,DaqingPetroleumInstitute,Daqing163318,China;2.OilFieldThermalPowerPlant,DaqingOilFieldElectricPowerGroup,Daqing163314,China)Abstract:BasedonthepresentstateoftheExperimentofElectromagneticFieldsandWavescourse,usingMatlabgraphtechnologysimulatesthethree2dimensionaldistributionoftime2varyingelectromagneticfieldsinexperimentalteaching.ThedistributionofTE10modelofrectangularwaveguideisgiven.Thepracticeprovesthatvisualizingabstractconceptsofelectromagneticfieldsarehelpfulforstudentstounderstandcharacteristicsofelectromagneticwavepropagation.Keywords:electromagneticfield;rectangularwaveguide;Matlab;simulation:2009203217:2009207202::(1971),,,,,.E2mail:[e-mail],,,,,,,,,[1],,Matlab,MatlabMathWorks,Matlab,,,,[224]Matlab,,1,,,,,1ISSN1002-4956CN11-2034/TExperimentalTechnologyandManagement27320103Vol.27No.3Mar.20101:x=0x=a;y=0y=b,(=0),TEM,TETMTEmnEH[526]:Ex=jk2cnbH0cosmaxsinnbyej(t-z)(1)Ey=jk2cmaH0sinmaxcosnbyej(t-z)(2)Ez=0(3)Hx=jk2cmaH0sinmaxcosnbyej(t-z)(4)Hy=jk2cnbH0cosmaxsinnbyej(t-z)(5)Hz=H0cosmacosnbxej(t-z)(6):;mn0,TE,TE,TE;kc,k2c=(m/a)2+(n/b)2;,=2-k2cfc,fc=12ma2+nb2(7)fc,,,,fc,,,,TE10[7]2,a=22.86mm,b=10.16mm,,f9.84GHz,TE102.1MatlabTE10:m,n,a,bfkc(1)(6),,t,for,meshgrid(),xyz,xyzx,yz,,quiver3(),holdon,meshgrid()xyz,quiver3(),quiver3(),,holdoff,get2frame(),,,t,movie(),Matlab2257,:Matlab,t,,g(g=2/),+z,,3(a),(b),(c),(d)4(,),,3(b)3(e)3TE10,,,m=1,n=0,Ey,y;HxHy,xz,y,y=7.5mm2.2,,:Js=enH,1m,Js[8]x=0x=aJs|x=0=Js|x=a=-eyH0ej(t-z)(8)y=0Js|y=0=exH0cosax-ezjH0asinaxej(t-z)(9)y=bJs|y=b=-exH0cosax-ezjH0asinaxej(t-z)(10)Matlab,4(a),(b),(c),(d)4674TE10,53(b)4(b),,5TE103Matlab,TE10,,,,(References):[1],,,.[J].,2004(12):1612162.[2],,.Matlab[M].:,2002.[3],,.Matlab[M].:,2004.[4],,.Matlab[J].,2005(8):64267.[5],.[M].:,1999.[6],,,.[M].:,2005.[7].[M].:,2008.[8],.[M].:,2008.77,:Matlab