The noise factor analyzer's operation principle and the basic noise factor measurement method, Y factor method, are described.

论述了噪声系数分析仪的工作原理和噪声系数最基本的测量方法——Y因子法。

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This paper discussed the error in the measurement of noise figure—The method of Y factor , The error is caused by mismatch of RF attenuater and IF attenuater and the others in the measurement system.

本文讨论了常用的噪声系数测试方法—Y因子法中高频及中频衰减器本身失配和测试系统中其它部分的影响所造成的测试误差。

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Many emphases are put on analyzing Y-factor method which is the most widely-used noise figure measuring method nowadays in practical engineering and study.

本文介绍了噪声系数的几种测量方法，重点分析了目前实际工程和研究中最常用的噪声系数测量方法—Y因子法。

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