光缆通信系统传输性能测试方法
The measurement methods of transmission performances on optical fiber cable communication systems
The measurement methods of transmission performances on optical fiber cable communication systems
Interference calculation methods of coast radiotelephone station operating in high frequency bands
The specifications of encoding parameters of digital television for studio
The specifications for digital audio sourcecoding
Technical requirements and measurement methods of infrared remote control radiation unit for television broadcast receivers
Measuring methods for meteorological radar parameters
Generic specification for weather radars
Methods of measurement for the digital microwaveradio relay communication equipments
Universal requirements and measurement methods of parameters for radio transmitting equipment
Interface for signal chain of sound and televisionbroadcasting transmitting equipments