YDB 009-2007.The technical specification and measuring method for 5 millimeter wave wirelesscommunication system:Ground fixed point-to-point communication equipment.1范围YDB 009报告...
YDB 006-2007.Technical Requirements for PSTN/ISDN Emulation Services in NGN.1范围YDB 006报告规定了下一-代网络中PSTN/ISDN仿真业务的内容及业务能力需求,包括...
YDB 002-2006.Technical requirements of WAP Interface for Mobile Terminal in Location Service.1范围YDB 002报告定义了移动终端和WAP定位网络之间定位信息接入的总体...
YDB 003-2006.Technical requirements of Interface between Mobile Terminate and LCS Portal.1范围YDB 003报告规定了移动位置业务门户的技术要求。YDB 003报告适用于基...
YDB 004-2007.The General Technical Requirements of Next Generation Network (NGN) Service.1范围YDB 004报告定义了下一代网络(NGN) 环境、业务分类、能力要求及业务...
YDB 005-2007.Technical Requirements for IP multimedia services in NGN.1范围YDB 005报告规定了下一代网络(NGN)中IP多媒体业务技术要求,主要包括IP多媒体业务...
YD 5028-1996.Temporary Regulations of Engineering Design for Very Small Earth Station VSAT System of Domestic Satellite Communication.1总则1.0.1YD 5028规定适用于C频段(6/4GH...
YD 5032-1997.Code for Design of Videoconference System Engineering.1总则1.0.1为了适应经济建设高速发展和改革开放的社会需求,提供异地会议电视服务,提高...
YD 5033-1997.Code for Acceptance of Videoconference System Engineering.1总则1.0.1YD 5033是会议电视系统设备安装工程随工检验、初步验收和竣工验收的技术依...
YD 5060-1998.Drawings for Designing Anti-seismic Installation of Communication Equipment.第一册终端复用通信设备说明图KZ-ZF-01, KZ-ZF-02 “机房铁架安装方法示意...