标准摘要
[中文适用范围]： 涵盖卫星地球站发射机和接收机中的上变频器和下变频器，处理自动增益控制、幅度/频率特性、群延迟/频率特性、幅度调制/相位调制转换因子、 [外文原描述]： Describes methods of measurement of the electrical characteristics of up-converters and down-converters used in satellite earth station transmitters and receivers.
英文名称Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section Four: Up- and down-converters