标准摘要
[中文适用范围]： 这里，系统总体性能定义为包括终端设备、台站RF/IF设备、天线和卫星转发器在内的系统性能。因此，实际整体系统性能的测量 [外文原描述]： Describes methods of measurement on overall system performances on satellite earth stations.
英文名称Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurements on satellite earth stations - Section 12: Overall system performance