三維介質頻率選擇表面結構的多模網(wǎng)絡分析
MULTIMODE NETWORK ANALYSIS FOR 3-DIMENSION DIELECTRIC FSS STRUCTURES
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摘要: 該文采用多模網(wǎng)絡與嚴格模匹配相結合的方法分析了介質周期結構在電磁波斜入射情況下的散射特性。定量地分析了這種三維頻率選擇表面結構的頻率選擇特性隨入射波的頻率、入射角度、周期層和均勻層的厚度與介電常數(shù)等結構參數(shù)的變化關系,從而為三維介質頻率選擇表面的設計和應用提供了依據(jù)。Abstract: In this paper the scattering characteristics of dielectric periodic structures by an oblique incidence are analyzed by a method which combines the multimode network approach with rigorous mode matching method. The dependence of frequency selective characteristics of the 3-D frequency selective surface(FSS) structures on frequency and angle of the incident wave and the structure parameters is quantitatively studied. Therefore, some guidelines for design and application of the 3-D FSS structures are given.
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S.T.Peng,Rigorous formulation of scattering and guidance by dielectric grating waveguide,general case of oblique incidence,J.Opt,Soc.Am.A,1989,6(12),1689-1883.[2]M.J.Shian,The scattering and guidance of electrounagnetic wave by a periodic structure,Doctor thesis,Polytechnic Institute of New York,1983.［3］S.J.Xu.L.Yang.Frequency selective characteristics of dielectric periodic structrees for millineter wave application,Int,J.of Infrared and Millimeter Waves,1998,19(3),475-491.[3]S.J.Xn.L,Yang,Systmatic investigation on diffraction characteristics of dielectric periodie strcutive with arbitrary grating profiles Int,J.of Infrared and Milliueter Ways,1998,19(10),1411-1424. -
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