Computation of Resonant Frequency and Field Distribution of Dielectric Resonators Using Finite-Difference Method

Chen Jin-guang; Zhang Bai-rong

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Computation of Resonant Frequency and Field Distribution of Dielectric Resonators Using Finite-Difference Method

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- Computation of Resonant Frequency and Field Distribution of Dielectric Resonators Using Finite-Difference Method
- Acta Electronica Sinica Issue 5, Pages: 97-103(1986)
- 作者机构：
  
  福州大学
- 作者简介：
- 基金信息：
- DOI：
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- Published：1986
- 稿件说明：
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[1]陈进光,张白瑢.用有限差分法计算介质谐振器的谐振频率及场分布[J].电子学报,1986(05):97-103.

Chen Jin-guang, Zhang Bai-rong. Computation of Resonant Frequency and Field Distribution of Dielectric Resonators Using Finite-Difference Method[J]. Acta Electronica Sinica, 1986, (5): 97-103.
[1]陈进光,张白瑢.用有限差分法计算介质谐振器的谐振频率及场分布[J].电子学报,1986(05):97-103. DOI：

Chen Jin-guang, Zhang Bai-rong. Computation of Resonant Frequency and Field Distribution of Dielectric Resonators Using Finite-Difference Method[J]. Acta Electronica Sinica, 1986, (5): 97-103. DOI：

摘要

本文用有限差分法得到了圆柱介质谐振器及环形谐振器放置在微带基片上或空气中的TE

onl

模式的差分方程;计算了这种结构中低次模的谐振频率

及该频率随谐振器系统参量变化的调谐特性。借助计算机绘出了场分布图及等场强图

实验结果与理论计算的偏差小于1％。

Abstract

The finite-difference method is used in the study of the electrical behaviors of ring and cylindrical dielectric resonators

which are placed on dielectric substracts and shielded by metallic cases. The resonant frequency is calculated as a function of the system parameters

and the curves of the field strength variation and the contours of individual field components are ploted. The numerical results are verified by experiments

showing a deviation of less than one percent.

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