ACCURATE MEASUREMENT OF THE Q-FACTOR OF AN OPEN RESONATOR IN THE W-BAND FREQUENCY-RANGE

被引：1

作者：

MONGIA, RK ^{[1
]}

ARORA, RK ^{[1
]}

机构：

[1] UNIV OTTAWA,DEPT ELECT ENGN,161 LOUIS PASTEUR,OTTAWA K1N 6N5,ONTARIO,CANADA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1992年 / 63卷 / 08期

关键词：

D O I：

10.1063/1.1143287

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

It is important to be able to measure accurately the Q factor of an open resonator to compute loss tangent of low-loss dielectric materials. In this paper, we report the results of the heterodyne detection technique used to measure the Q factor of an open resonator in the W-band frequency range. A more general algorithm is used for determining the Q factor. This algorithm offers some advantages over the commonly used "half-power frequencies" method of measurement of the Q factor. The effect of signal/noise ratio on the accuracy of measurement of the Q factor is experimentally studied. It is shown that with the set up used, it is possible to measure the Q factor to an accuracy of better than 1%.

引用

页码：3877 / 3880

页数：4

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