GB/T 11299.3-1989
卫星通信地球站无线电设备测量方法 第1部分:分系统和分系统组合通用的测量 第3节:中频范围内的测量
Methods of measurement for radio equipment used in satellite earth stations--Part 1: Measurements common to sub-systems and combinations of sub-systems--Section Three-Measurements in the i.f. range