Dispersion Analysis of Periodically Loaded Transmission Lines with Twist Symmetry Using the Mode-Matching Technique

被引：5
|
作者：
Zetterstrom, Oskar [1 ]
Valerio, Guido [2 ]
Mesa, Francisco [3 ]
Ghasemifard, Fatemeh [1 ]
Norgren, Martin [1 ]
Quevedo-Teruel, Oscar [1 ]
机构：
[1] KTH Royal Inst Technol, Div Electromagnet Engn, S-11428 Stockholm, Sweden
[2] Sorbonne Univ, Lab Genie Elect & Elect Paris, CNRS, F-75252 Paris, France
[3] Univ Seville, Dept Fis Aplicada 1, ETS Ingn Informat, Seville 41004, Spain
来源：
APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 17期
关键词：
higher symmetry; mode-matching; twist symmetry; WAVE-GUIDE; LUNEBURG LENS; GLIDE; PROPAGATION; 5G;
D O I：
10.3390/app10175990
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A mode-matching formulation is presented and used to analyze the dispersion properties of twist-symmetric transmission lines. The structures are coaxial lines periodically loaded with infinitely thin screens, which are rotated with respect to each other to possess twist symmetry. The results obtained using the proposed formulation are in good agreement with those of commercial simulators. Furthermore, using the presented mode-matching formulation, it is demonstrated that the propagation characteristics in the twist-symmetric structures are linked to the scattering and coupling of the higher order modes. The physical insight offered by this analysis is valuable for the design of various electromagnetic devices, such as filters, antennas, and phase-shifters.
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收藏
页数：12
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