GD/J 109-2020.Technical requirements and measurement methods for horizontal twisted pair cable.6测量方法6.1 通则在进行电缆的电气特性和传输特性测量时，除另有...
GD/J 087-2018.Technical specification for emergency broadcasting of digital terrestrial television.本GD/J 087规定了地面数字电视应急广播消息的封装,还规定了地面...
GD/J 082-2018.Specification of emergency broadcasting message format.本GD/J 082规定了应急广播消息的协议结构、语法语义及编码规则。本GD/J 082适用于应急广...
GD/J 096-2020.Technical requirements and measurement methods for optical splitter.盒式封装光分路器宜直接引出φ2. 0mm尾纤插头。盒式封装光分路器外形、尺寸...
GD/J 113-2020.Technical requirements and measurement methods of audio switcher.5.3.2. 5.2测量步骤测量步骤如下:a)按图6连接测量仪器和被测设备;b) 在被测系统的...
GD/J 095-2020.Technical requirements and measurement methods for diverters and distributors (5MHz ~ 1000MHz) of CATV systems.本GD/J 095规定了有线电视系统用分支器和分配...
GD/J 115-2020.Technical requirements and measurement methods for optical ampl ifier of CATV system.本GD/J 115规定了有线电视系统掺铒光放大器技术要求和测量方法。...
GD/J 093-2020.Technical requirements and measurement methods for passive combiners (5MHz~ 1000MHz) of CATV system.测量步骤如下:a)设置网络分析仪为“传输”模式，工...
GD/J 098-2020.Technical requirements and measurement methods for bow-type drop optical cable of CATV system.本GD/J 098规定了有线电视系统蝶形光缆的技术要求和测量方...
GD/J 117-2020.Technical requirements and measurement methods for MSTP transport system equipment.本GD/J 11 7规定了MSTP传输系统设备的技术要求和测量方法。本GD/J ...
