一种求解微波介质谐振器复介电常数的方法  

A Method for Solving the Complex Permittivity of the Microwave Dielectric Resonator

作　　者：肖芬[1] 骆超艺[2] 陈赐海[3] 

机构地区：[1]厦门大学物理系,福建厦门361005 [2]厦门理工大学电子工程系,福建厦门361021 [3]漳州师范学院物理系,福建漳州363000

出　　处：《固体电子学研究与进展》2007年第2期226-229,共4页Research & Progress of SSE

基　　金：国家863计划资助项目(2001AA325100);厦门大学"创新基金"资助项目(K70009

摘　　要：根据微波谐振系统中电场的波动方程,采用复频率和有耗导体的边界条件,导出以被测介质的复介电常数为本征值的微分和变分方程。使用MATLAB软件中的PDE工具箱,只要是能以二维形式作图表现的微波介质谐振器,都可以求解出其复介电常数,且与实验数据及不同方法计算的结果相吻合,该方法适用面广、计算精确、简洁方便。According to the wave equation of electric field,the complex frequency and the boundary condition of lossy conductor in a microwave resonant system,an eigenvalue equation whose eigenvalue is the complex permittivity of the dielectric under test is derived.Using the PDE toolbox of MATLAB,the complex permittivity of several kinds of microwave dielectric resonator are solved expediently if they can be presented in 2-dimension.The results are agree with those in the experiment and literature,which shows the met...

关 键 词：微波 介质谐振器 复介电常数 本征值 

分 类 号：TN62[电子电信—电路与系统]