Analysis of Multiconductor Transmission Lines Using the CN-FDTD Method

被引:3
|
作者
Honarbakhsh, Babak [1 ]
Asadi, Shahrooz [1 ]
机构
[1] Shahid Beheshti Univ, Dept Elect Engn, Tehran 1983963113, Iran
关键词
Numerical stability; Stability criteria; Dispersion; Time-domain analysis; Transmission line matrix methods; Frequency division multiplexing; Crank– Nicolson (CN); dispersion; finite-difference time-domain (FDTD); implicit; stability; multiconductor transmission lines (MTL); CRANK-NICOLSON SCHEME; TIME-DOMAIN METHOD; COMPUTATIONAL ELECTROMAGNETICS CEM; SELECTIVE VALIDATION FSV; FINITE-DIFFERENCE; SIMULATION; LOSSY;
D O I
10.1109/TEMC.2020.2987652
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 Crank-Nicolson (CN) version of the finite-difference time-domain (FDTD) method is applied to the analysis of multiconductor transmission lines (MTLs). Stability and dispersion issues are investigated for different cases, including single and multiconductor lossless and lossy lines. It is shown that for MTLs, the stability of the CN-FDTD method is conditioned by the structure of coupling matrices. Sufficient conditions for unconditional stability are derived. Four practical problems are analyzed using the CN-FDTD method. Numerical results are compared to measurements and leap-frog method. For the first three cases, using the CN method, the Courant number can be increased by a factor of 50 with good agreement with measurement results.
引用
收藏
页码:2823 / 2831
页数:9
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