片状介质材料复介电常数优化计算及测量  

Optimal computation and measurement of permittivity of flake dielectric materials

作　　者：周建军 张宁[1] 颜锦奎[1] 

机构地区：[1]上海大学通信与信息工程学院,上海200444

出　　处：《上海大学学报（自然科学版）》2017年第5期674-681,共8页Journal of Shanghai University:Natural Science Edition

基　　金：上海市重点学科建设资助项目(S30108);上海市委重点实验室资助项目(08DZ2231100)

摘　　要：采用终端短路同轴开口波导技术,将开口同轴波导作为传感器,测量样品加载时的复反射系数,运用优化迭代反演求得待测材料的相对介电常数.详细介绍了所采用的理论模型和测量系统,测量了一些常见介质材料的复反射系数,复反射系数参考值与理论计算值基本吻合,证明了该方法的合理性及可行性.Based on an open-ended flanged coaxial probe technique, this paper measures complex permittivity of flake dielectric materials loading at the end of a probe. The method compares measured values and theoretically calculated values, the measured values being processed by optimization iteration computation. This paper introduces a theoretical model and the measurement system in detail. Feasibility and rationality of the presented method are shown by measuring some common materials.

关 键 词：开口同轴波导 复反射系数 相对介电常数 优化迭代方法 

分 类 号：O441.5[理学—电磁学]