Calculation and Analysis of Dispersion Characteristic of ACPW Using FDTD Method

CHEN Peng; FANG Shao-jun

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Calculation and Analysis of Dispersion Characteristic of ACPW Using FDTD Method

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- Calculation and Analysis of Dispersion Characteristic of ACPW Using FDTD Method
- Acta Electronica Sinica Vol. 34, Issue 9, Pages: 1610-1612(2006)
- 作者机构：
  
  大连海事大学信息工程学院,辽宁,大连,116026
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN814
- Published Online：25 September 2006，
  
  Published：2006
- 稿件说明：
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CHEN Peng, FANG Shao-jun. Calculation and Analysis of Dispersion Characteristic of ACPW Using FDTD Method[J]. Acta Electronica Sinica, 2006, 34(9): 1610-1612.
DOI：

CHEN Peng, FANG Shao-jun. Calculation and Analysis of Dispersion Characteristic of ACPW Using FDTD Method[J]. Acta Electronica Sinica, 2006, 34(9): 1610-1612. DOI：

摘要

利用FDTD方法对ACPW的色散特性进行了计算与分析

给出了计算ACPW的FDTD全空间计算模型

取高斯脉冲的激励

选择Mur二阶吸收边界条件

计算得出几种结构的ACPW的特性阻抗

( ω )

并绘出了Z

随频率变化的曲线.计算结果与测试值取得了良好的一致性.

Abstract

Dispersion characteristic of asymmetrical coplanar waveguide(ACPW)using finite-difference time-domain(FDTD)method is presented

a FDTD-model of ACPW is advanced

and the transient propagating waveforms along the ACPW

which are excited by retarded Gaussian pulse

are found in the time domain.After the time-domain field distributions are obtained

frequency-domain parameters such as characteristic impedance

are calculated using Fourier transformations.The results agree well with available theoretical and experimental data over a wide frequency range.

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