This article introduces the method of extending noisefigure meter HP 8970a measurement frequency range.
本文介绍了扩展噪声系数表hp 8970a测量频率范围的方法。
2
A new method of noisefiguremeasurement is presented.
本文提出了一种新的噪声系数测量方法。
3
This paper discussed the error in the measurement of noisefigure—The method of Y factor , The error is caused by mismatch of RF attenuater and IF attenuater and the others in the measurement system.