CHARACTERIZATION OF CORRUGATED WAVE-GUIDES BY MODAL-ANALYSIS

被引:48
作者
ESTEBAN, J
REBOLLAR, JM
机构
[1] E.T.S.I. de Telecomunicación, Universidad Politénica de Madrid, Ciudad Universitaria
关键词
D O I
10.1109/22.81662
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A general formulation for the characterization of corrugated waveguides is presented. The formulation is based on modal expansion in the different smooth-walled waveguides which constitute the corrugated structure and on the use of mode matching at discontinuities. The use of an admittance matrix formulation and a suitable root-finding algorithm leads to a rigorous and efficient technique. Dispersion curves are presented for corrugated waveguides of circular and rectangular cross sections. As predicted by other authors, complex modes have been obtained for deep corrugations. The effet of the finite thickness and width of teeth and slots on the dispersion behavior is also shown.
引用
收藏
页码:937 / 943
页数:7
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