Methods of measurement for equipment used in terrestrial radio - relay systems ; measurements for sub - systems ; frequency modulators ; identical with iec 60487 - 2 - 4 , edition 1984 地面无线电中继系统设备的测量方法.第2部分:分系统测
Methods of measurement for equipment used in terrestrial radio - relay systems ; simulated systems ; measurement of mutual interference ; identical with iec 60487 - 3 - 5 , edition 1982 地面无线电中继系统设备测量方法.第3部分:仿真系统
Methods of measurement for equipment used in terrestrial radio - relay systems ; simulated systems ; measurement for f . d . m . transmission ; identical with iec 60487 - 3 - 4 , edition 1982 地面无线电中继系统设备测量方法.第3部分:仿真系统
Methods of measurement for equipment used in terrestrial radio - relay systems ; simulated systems ; measurement for sound - programme transmission ; identical with iec 60487 - 3 - 6 : 1984 地面无线电中继系统设备的测量方法.第3部分:模拟系统
Methods of measurement for equipment used in terrestrial radio - relay systems ; measurements common to sub - systems and simulated radio - relay systems ; identical with iec 60487 - 1 : 1984 地面无线电中继系统用设备的测量方法.第1部分:子系统
Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - service channels 数字微波无线电发射系统使用设备测量方法.地面无线电中继系统的测量.业务频道
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
Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - protection switching 数字微波无线电发射系统使用设备测量方法.地面无线电中继系统测量方法.保护开关
Methods of measurement for equipment used in terrestrial radio - relay systems . part 1 : measurements common to sub - systems and simulated radio - relay systems 地面无线电接力系统所用设备的测量方法.第1部分:分系统和模拟无线电中继系统通用测量方法
Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - adaptive equalizer 数字微波无线电传输系统使用设备的测量方法.地面无线电中继系统的测量.自适应均衡器
