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本文简要介绍在我们实验室建立的频率在8.2—12.4GHz的精密电介质测量系统,其中较详细论述了设计单模TE_(01n)螺旋腔的原理性问题及结构。该系统可用频率调谐法或长度调谐法来测量。按我们已发表的计算方法,对固体材料测量结果的部分数据和相应的理论误差分析数据,分别用图、表给出,从分析中得出一些对电介质测量有实用价值的结论。 此外,也给出了用频率调谐法测得的螺旋波导在某些典型频率下对TE_(01)模的衰减数据。
This article gives a brief introduction of the precision dielectric measurement system built in our laboratory at 8.2-12.4 GHz. The principle and design of a single-mode TE 01n spiral cavity are discussed in detail. The system can be used frequency tuning method or length tuning method to measure. According to our published calculation method, some data of solid material measurement results and corresponding theoretical error analysis data are respectively shown in the figures and tables. From the analysis, some conclusions are drawn that there is practical value for dielectric measurement. In addition, the attenuation data of the TE 01 mode at some typical frequencies of the spiral waveguide measured by the frequency tuning method are also given.