GD/J 102-2020.Technical requirements and measurement methods for optical fiber cable cross connecting cabinet.本GD/J 102规定了光缆交接箱的基本技术要求和测量方法。...
GD/J 112-2020.Technical requirements and measurement methods of audio distributor.测量框图见图1。5.2.1.7.2测量步骤测量步骤如下:a)按图1连接测量仪器和被测设...
GD/J 097-2020.Technical requirements and measurement methods for fibre optic connector.本GD/J 097规定了光纤活动连接器(以下简称“连接器”)的技术要求和测量方...
GD/J 111-2020.Technical requirements and measurement methods of video switcher.1范围本GD/J 111规定了视频切换器的技术要求和测量方法。本GD/J 111适用于视频切...
GD/J 090-2020.Technical requirements and measurement methods for optical node ofCATV system.本GD/J 090规定了有线电视系统光工作站技术要求和测量方法。本GD/J 0...
GD/J 092-2020.Technical requirements and measurement methods for digital cable television set top box of high definition.本GD/J 092规定了高清晰度有线数字电视机顶盒(...
GD/J 108-2020.Technical requirements and measurement methods for generic cabl ing cabinet.本GD/J 108规定了综合布线柜的技术要求和测量方法。本GD/J 108适用于有源...
GD/J 088-2018.Technical specification for emergency broadcasting system in county.本GD/J 088规定了县级应急广播系统的基本结构、主要组成部分、工作模式、系...
GD/J 101-2020.Technical requirements and measurement methods for optical coupler.本GD/J 101规定了全光纤型分支器件的“光纤宽带耦合器”、“光纤波分复用耦合...
GD/J 099-2020.Technical requirements and measurement methods for CATV systemRadio-frequency coaxial connector.b)1h内使水冷却至室温，并在此温度下保持1h。然后，在...
