GD/J 116-2020.Technical requirements and measurement methods for wavelength divison multiplex ing sy stem equipment.本GD/J 116规定了波分复用系统设备的技术要求和测量...
GD/J 081-2018.Technical specification for emergencey broadcasting security protection-Digital signature.本GD/J 081规定了应急广播信息主体文件、应急广播消息指令文...
GD/J 089-2018.Technical specification for emergency broadcasting loudspeaker system.本GD/J 089规定了应急广播大喇叭系统架构和总体要求,县/乡/村前端、传输覆盖...
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...
GA/T 1019-2013.Technical specifications for vehicle image inspection in video.1范围GA/T 1019规定了视频中车辆图像检验的步骤和方法。GA/T 1019适用于法庭科学领...
GA/T 1018-2013.Technical specifications for item image inspection in video.1范围GA/T 1018规定了视频中物品图像检验的步骤和方法。GA/T 1018适用于法庭科学领域...
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...
YD/T 1854-2009.2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network - Test Methods of RRU Equipment.1范围YD/T 1854规定了2GHz TD-SCDMA数字蜂窝移动通信网无线接...
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...
GA/T 1017-2013.Specifications for mapping of scene monitor cameras.1范围GA/T 1017规定了现场视频分布图编制的具体方法和要求。GA/T 1017适用于法庭科学领域声...
