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TM0n0 圆柱腔测量介质复介电常数
引用本文:徐汝军,李 恩,周 杨,郭高凤.TM0n0 圆柱腔测量介质复介电常数[J].宇航材料工艺,2010,40(5).
作者姓名:徐汝军  李 恩  周 杨  郭高凤
作者单位:电子科技大学,成都 611731
摘    要:讨论了TM0n0模圆柱腔法测量介质复介电常数的原理,提出了一种TM0n0模圆柱腔设计的改进方法,研制了测试夹具,通过与未改进腔体比较和对石英样品复介电常数的测量。结果证明,该腔体大量抑制了圆柱腔的干扰模式数量,减小了测试误差,提高了测试准确度。

关 键 词:微波测量  复介电常数  圆柱腔

Complex Permittivity Measurement by TM0n0 Circular Cavity
Xu Rujun,Li En,Zhou Yang,Guo Gaofeng.Complex Permittivity Measurement by TM0n0 Circular Cavity[J].Aerospace Materials & Technology,2010,40(5).
Authors:Xu Rujun  Li En  Zhou Yang  Guo Gaofeng
Institution:University of Electronic Science and Technology,Chengdu 611731
Abstract:The theory of complex permittivity measurement of dielectric with circular cavity is described,a new
method of TM0n0 circular cavity design is reported,we designed the measuring system,compared with other cavity and
measurement of some kinds of dielectric. We can see many disturbing modes disappear in the cavity. This system has a
low measuring error and, makes the measurement more precise.
Keywords:Microwave measurement  Complex permittivity  Circular cavity
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