Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - general 数字微波无线电发射系统设备测量方法.地面无线电中继系统测量方法.总则
Methods of measurement for radio equipment used in satellite earth stations - part 2 : measurements for sub - systems - section ten - high - power amplifier 卫星通信地球站无线电设备测量方法第2部分:分系统测量第十节:高功率放大器
Methods of measurement for equipment used in terrestrial radio - relay systems . part 2 : measurements for sub - systems . section four - frequency modulators 地面无线电接力系统所用设备的测量方法.第2部分:分系统测量.第4节:调频器
By acquiring these parameters , the paper can compute the concentration of fly ash which provided the theoretical basis of the measuring system 从而为系统测量飞灰含碳量提供了理论支撑。论文完成了测量系统的安装和标定工作。
Methods of measurement for equipment used in terrestrial radio - relay systems . part 2 : measurements for sub - systems . section eight - radio receivers 地面无线电接力系统所用设备的测量方法.第2部分:分系统测量.第8节:无线电接收机
Methods of measurement for equipment used in terrestrial radio - relay systems . part 2 : measurements for sub - systems . section seven - radio transmitters 地面无线电接力系统所用设备的测量方法.第2部分:分系统测量.第7节:无线电发射机
Methods of measurement for radio equipment used in satellite earth stations - part 2 : measurements for sub - systems - section four : up - and - down converters 卫星通信地球站无线电设备测量方法第2部分:分系统测量第4节:上变频器和下变频器
Methods of measurement for equipment used in terrestrial radio - relay systems . part 2 : measurements for sub - systems . section five - frequency demodulators 地面无线电接力系统所用设备的测量方法.第2部分:分系统测量.第5节:频率解调器
Methods of measurement for equipment used in terrestrial radio - relay systems . part 2 : measurements for sub - systems . section three - r . f . branching networks 地面无线电接力系统所用设备的测量方法.第2部分:分系统测量.第3节:射频分支网络
Methods of measurement for equipment used in terrestrial radio - relay systems ; measurements for sub - systems ; stand - by channel switching equipment ; identical with iec 60487 - 2 - 2 , edition 1981 地面无线电中继系统设备测量方法.分系统测量.备用信
