Methods of measurement for radio equipment used in satellite earth stations - part 1 : measurements common to sub - systems and combinations of sub - systems - section five : noise temperature measurements 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5节:噪声温度测量
Methods of measurement for radio equipment used in satellite earth stations . part 1 : measurements common to sub - systems and combinations of sub - systems . section five : noise temperature measurements 卫星地面站用无线电设备的测量方法.第1部分:分系统和分系统组合件通用的测量.第5节:噪声温度测量