标题: | 二维周期性阻抗表面之波导特性研究 Guidance Characteristics of Two-Dimensionally Periodic Impedance Surface |
作者: | 陈正中 John Chen 彭松村 Prof. S.T.Peng 电信工程研究所 |
关键字: | 二维周期;阻抗表面;波导;周期结构;Two-Dimensionally Periodic;Impedance Surface;Guidance;bound-wave;dispersion characteristics;periodic structure;surface wave |
公开日期: | 1998 |
摘要: | 本论文提出二维周期表面阻抗的波导特性。我们以二维周期表面阻抗(two-dimensionally periodic impedance surface)来模拟二维周期结构(two-dimensionally periodic structure),利用精确的方法,获得广泛的数值结果以解释二维周期性表面阻抗的物理现象,我们将二维周期结构的色散现象以Brillouin diagram来呈现,其中包括相位(phase)与衰减(attenuation)常数的变化。此外,我们也探讨bound-wave regions 的特性,得到在一维周期结构无法产生的色散特性。 We present here an exact formulation for the three-dimensional boundary-value problem of wave guiding by a two-dimensionally periodic impedance surface in a uniform medium. The dispersion characteristics of such a structure are rigorously analyzed in terms of the complete set of both TE- and TM-polarized plane waves in the uniform medium. The results are systematically expressed in the form of the Brillouin diagram; thereby, in comparison to the one-dimensional case, a host of new and interesting phenomena are identified and physically explained. |
URI: | http://140.113.39.130/cdrfb3/record/nctu/#NT870435086 http://hdl.handle.net/11536/64544 |
显示于类别: | Thesis |