天馈，天馈系统的简称，天馈系统是指天线向周围空间辐射电磁波。
驻波比是衡量雷达发射机和天馈系统工作状态的一项重要指标。
This paper introduces a kind of measuring method of standing wave ratio on-line.
本文给出了一种简便的天馈系统性能参数的细微特征分析方法。
In this paper, a simple and convenient method for minute features analysissing of performance parameter of the antenna and cable system is presented.
天馈系统的标定可利用气球放飞的定标球，接收机的标定可利用标准信号源。
The calibration of antenna system can be carried out using a calibration hung under a balloon, and the calibration of the receiver can be carried out using a standard signal generator.
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