A NEW METHOD FOR MEASURING QUALITY FACTOR OF CAVITY RESONANTORS

Liu Kai

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A NEW METHOD FOR MEASURING QUALITY FACTOR OF CAVITY RESONANTORS

更新时间：2025-12-08

- A NEW METHOD FOR MEASURING QUALITY FACTOR OF CAVITY RESONANTORS
- Acta Electronica Sinica Issue 1, Pages: 109-112(1964)
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- Published：1964
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[1]刘闿.测定谐振腔Q值的一个方法[J].电子学报,1964(01):109-112.

Liu Kai. A NEW METHOD FOR MEASURING QUALITY FACTOR OF CAVITY RESONANTORS[J]. Acta Electronica Sinica, 1964, (1): 109-112.
[1]刘闿.测定谐振腔Q值的一个方法[J].电子学报,1964(01):109-112. DOI：

Liu Kai. A NEW METHOD FOR MEASURING QUALITY FACTOR OF CAVITY RESONANTORS[J]. Acta Electronica Sinica, 1964, (1): 109-112. DOI：

摘要

正

测Q值最常用的简便方法是用波长计吸收线来定出半功率点的频宽

然后依公式Q=f

/Δf计算。这个方法在测定的Q值与波长计本身Q值同量级时就失效了

至于更高的Q值当然完全不能用这个方法。用其他方法测定高Q腔在设备上需要得比较复杂

手续也较繁。这

Abstract

A new method which is based upon the conventional wave meter method is described.Improvement is made by adding simple circuits to change the measuring signal to sharp pulses

and the latter is used for Z-modulation of the oscilloscope to give spot markers. Quality factors much higher than the wave-meter itself can also be measured with easy.

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