Internal Resistance of Voltage Source by Use of the Finite-Difference Time-Domain Technique

被引：0
|
作者：
Lee, Ae-Kyoung [1 ]
机构：
[1] Natl Inst Stand & Technol, Boulder, CO 80305 USA
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2009年 / 8卷
关键词：
Finite-difference time-domain (FDTD) technique; reduction of time-steps; source resistance; voltage drop; FDTD; ANTENNAS; MODEL;
D O I：
10.1109/LAWP.2009.2034544
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 introduction of the internal resistance of a voltage source is a very effective method for analyzing the electromagnetic characteristics of antennas and microstrip devices by use of the finite-difference time-domain (FDTD) technique. However, some trial and error may be needed when choosing a resistance value to obtain a stable result. This letter proposes a method to obtain a proper internal resistance of a source voltage in a FDTD code. The key to this method is to choose a resistance value such that the voltage drop due to an internal resistance is less than the amplitude of a voltage source. The reductions of total computation time-steps are shown for various antenna types.
引用
收藏
页码：1194 / 1197
页数：4
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