Methods of measurement for equipment used in terrestrial radio - relay systems ; measurements for sub - systems ; radioreceivers ; identical with iec 60487 - 2 - 8 : 1986 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 in the baseband ; identical with iec 60487 - 3 - 2 : 1981 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 ; measurements for sub - systems ; radio transmitters ; identical with iec 60487 - 2 - 7 : 1986 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 digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - antenna 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.天线
Methods of measurement for equipment used in terristrial radio - relay systems ; measurement for sub - systems ; r . f . branching network ; identical with iec 60487 - 2 - 3 : 1984 地面无线电中继系统设备测量方法.第2部分:分系统测量
Methods of measurement for equipment used in terrestrial radio - relay systems ; measurements for sub - systems ; frequency demodulators ; identical with iec 60487 - 2 - 5 : 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 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 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
The main block in the system is implemented in fpga , and soft - core was developed by verilog hdl . two ports were set in the system 整个中继系统都是在硬件上实现，主要核心是fpga ，使用了verilog来描述实现以太网中继模块的功能。
