一种微波介质谐振器介电常数测量方法  

Measurement of Dielectric Properties of Dielectric Resonator at Microwave Frequency

作　　者：吴昌英[1] 丁君[1] 韦高[1] 许家栋[1] 

机构地区：[1]西北工业大学电子信息学院,陕西西安710072

出　　处：《测控技术》2008年第6期95-97,共3页Measurement & Control Technology

基　　金：陕西省自然科学基础研究计划资助(2006F15);西北工业大学科技创新基金资助(2006CR11);西北工业大学翱翔之星计划资助

摘　　要：针对现有平行板开式腔谐振法测量介电常数时会有一部分能量顺着馈线和上下金属板之间的结构传输形成辐射损耗的特点,提出了一种复介电常数测量方法,通过在馈电侧上下金属板之间增加短路板来阻挡辐射损耗。设计制作了具有短路板的介质谐振器测试系统,采用单端口工作,给出了工作在TE011模下的介电常数和损耗角正切的计算方法,并对一圆柱形介质样品进行了测量试验。When parallel plate resonator is used to measure the dielectric properties at microwave frequency, the field in it can be leaked from the structure between the feed line and two parallel conducting plates. To overcome the shortage of high radiate loss, a method of measuring complex permittivity of dielectric resonator with a short board mounted between the two parallel plates at the single feeding side is presented. The permittivity and loss tangent of one cylindrical dielectric rod are measured in TE011 mode by the given methods.

关 键 词：微波 介质谐振器 复介电常数 测量 

分 类 号：TM930[电气工程—电力电子与电力传动]