数字电视地面广播传输系统帧结构、信道编码和调制
Framing structure, channel coding and modulationfor digital television terrestrial broadcasting system
检测标准
数字电视地面广播传输系统帧结构、信道编码和调制
Framing structure, channel coding and modulationfor digital television terrestrial broadcasting system
中波广播网覆盖技术
Covering technique of the medium-wave broadcastingnetwork
30 MHz~1GHz 声音和电视信号电缆分配系统抗扰度测量方法和限值
Measurements and limits of immunity of cabled distribu-tion systems primarily intended for sound and television signalsoperating between 30 MHz and 1 GHz
30 MHz~1GHz 声音和电视信号的电缆分配系统辐射测量方法和限值
Measurements and limits of radiation of cabled distributionsystems primarily intended for sound and televisionsignals operating between 30 MHz and 1 GHz
卫星紧急无线电示位标性能要求
Performance requirements for satellite emergency positionindicating radio beacons
电视和声音信号电缆分配系统 第2部分:设备的电磁兼容
Cabled distribution systems for television and sound signals Part 2:Electromagnetic compatibility of equipment
对空情报雷达站电磁环境防护要求
Requirements of electromagnetic enviroment protection fornair defense surveillance radar station
对海远程无线电导航台和监测站 电磁环境要求
Electromagnetic environment requirement for sea long rangenradio navigation stations and monitors
短波广播网覆盖技术规定
Technical bases of HFBC coverage
