标准摘要
[中文适用范围]： 涵盖品质因数的测量方法，其中一种使用地球站所在地具有已知通量密度的恒星，并考虑到各种参数引起的误差。 [外文原描述]： Gives methods for measuring the figure of merit (G/T) of earth station receiving systems using calibrated radio stars. Characteristics of the principal radio stars are specified in the appendix.
英文名称Methods of measurement for radio equipment used in satellite earth stations. Part 3: Methods of measurement on combinations of sub-systems. Section Two: Measurement of the figure of merit (G/T) of the receiving system in the 4 GHz to 6 GHz range