GD/J 103-2020.Technical requirements and measurement methods for optical fiber cable distribution box.本GD/J 103规定了光缆分纤箱/光缆分纤盒的基本技术要求和测量...
GD/J 094-2020.Technical requirements and measurement methods for CATV system outlets(5MHz~ 1000MHz).1范围本GD/J 094规定了有线电视系统输出口(5MHz~ 1000MHz)的技术要求...
GD/J 079-2018.Emergency broadcasting system general technical specification.本GD/J 079规定了应急广播系统总体技术要求,包括应急广播系统的总体功能要求、...
GD/J 084-2018.Technical specification for emergency broadcasting of medium wave AM.1范围本GD/J 084规定了中波调幅广播的应急广播消息传输机制、应急广播消息封...
GD/J 085-2018.Technical specification for emergency broadcasting in FM.本GD/J 085规定了模拟调频应急广播消息的封装协议、基带编码和调制解调机制。本GD/...
GD/J 091-2020.Technical requirements and measurement methods for amplitude modulated optical transmiter and rceiver ofCATV system.本GD/J 091规定了有线电视系统调幅光发送...
GD/J 110-2020.Technical requirements and measurement methods of video distributor.本GD/J 110规定了视频分配器的技术要求和测量方法。本GD/J 110适用于视频分配器...
GD/J 100一2020.Technical requirements and measurement methods for two- way amplifier (5MHz~1000MHz) of CATV systems.1范围本GD/J 100规定了有线电视系统双向放大器(5MH...
GD/J 106-2020.Technical requirements and measurement methods for optical fiber distribution frame.本GD/J 106规定了光纤配线架(ODF) 的技术要求和测量方法。本GD/J 1...
GD/J 107-2020.Technical requirements and measurement methods for digital distribution frame.本GD/J 107规定了数字配线架(DDF)的技术要求和测量方法。本GD/J 107适用于...