Essence of the Upper and Lower Bound to the Variational Capacitances in the Equivalent Networks of Coaxial Discontinuities

ZHANG Wen-zheng; ZHANG Xiao-juan

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Essence of the Upper and Lower Bound to the Variational Capacitances in the Equivalent Networks of Coaxial Discontinuities

更新时间：2025-07-16

- Essence of the Upper and Lower Bound to the Variational Capacitances in the Equivalent Networks of Coaxial Discontinuities
- Acta Electronica Sinica Vol. 39, Issue 7, Pages: 1645-1650(2011)
- 作者机构：
  
  1. 中国科学院电子学研究所,北京,100190
  2. 中国科学院研究生院,北京,100049
  3. 中国科学院电子学研究所北京,100190
  4. 中国科学院研究生院北京,100049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN813
- Published：2011
- 稿件说明：
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ZHANG Wen-zheng, ZHANG Xiao-juan. Essence of the Upper and Lower Bound to the Variational Capacitances in the Equivalent Networks of Coaxial Discontinuities[J]. Acta Electronica Sinica, 2011, 39(7): 1645-1650.
DOI：

ZHANG Wen-zheng, ZHANG Xiao-juan. Essence of the Upper and Lower Bound to the Variational Capacitances in the Equivalent Networks of Coaxial Discontinuities[J]. Acta Electronica Sinica, 2011, 39(7): 1645-1650. DOI：

摘要

应用泛函近似方法求解了一类同轴阶梯不连续性结构等效变分电容下限值;证明了几类常见同轴不连续性等效网络中变分电容上、下限值的同一性

并据此从本征模式函数的角度给出了该上、下限值的物理解释.

Abstract

The lower bound to the equivalent variational capacitance of a coaxial step discontinuity was solved with Functional Approximation Methods;the identity between the upper bound and lower bound to the equivalent networks' variational capacitances was proved for several common coaxial discontinuities

basing upon the identity essence of the upper bound and lower bound to the variational capacitance was obtained from the standpoint of eigen mode function.

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