APPLICATION OF THE FD-TD METHOD TO THE ANALYSIS OF CIRCUITS DESCRIBED BY THE 2-DIMENSIONAL VECTOR WAVE-EQUATION

被引:28
作者
GWAREK, WK
MORAWSKI, T
MROCZKOWSKI, C
机构
[1] Warsaw University of Technology, Faculty of Electronics, Institute of Electronics, 00-665, Warszawa
关键词
D O I
10.1109/22.216473
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
In the paper a class of microwave circuits described by a two-dimensional vector wave equation is defined. It is proposed to refer to them as vector two-dimensional or 2-DV circuits to distinguish them from circuits described by a two-dimensional scalar wave equation (typically referred to as 2-D circuits). It is shown that the 2-DV class contains some types of: planar circuits filled with anizotropic medium, two-dimensional waveguide discontinuities and circular waveguide discontinuities. Calculation of dispersion characteristics of inhomogeneously filled hollow waveguides is an eigenvalue problem belonging to the 2-DV class. Application of the finite-difference time-domain (FD-TD) method to the analysis of 2-DV circuits is described. The efficiency of this method is shown by means of several examples of various kinds of circuits
引用
收藏
页码:311 / 317
页数:7
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