2-D FDTD method for exact attenuation constant extraction of lossy transmission lines

被引：11
|
作者：
Wang, BZ [1 ]
Shao, W [1 ]
Wang, YJ [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2004年 / 14卷 / 06期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
attenuation constant; iteration; transmission lines; two-dimensional finite-difference time-domain (2-D FDTD) method;
D O I：
10.1109/LMWC.2004.828004
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：
The two-dimensional finite-difference time-domain (2-D FDTD) method is undeniably efficient for full-wave analysis of uniform transmission lines. However, conventional 2-D FDTD method ignores the spatial attenuation along the propagation direction and yields approximate results. We propose a new 2-D FDTD method for extracting exact attenuation constants of lossy transmission lines. In the proposed method, we take the variation of field components with the propagation direction into consideration and describe an iterative process for finding exact attenuation constants. Numerical experiments show that, compared with the conventional 2-D FDTD method, results given by the iterative process agree much better with analytical solutions or measured data.
引用
收藏
页码：289 / 291
页数：3
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