YD/T 1501-2006.Digital Cellular Mobile Telecommunication Network Specification for Multimedia Message Service Terminal Equipment.1范围YD/T 1501规定了数字蜂窝移动通信网多...
YD/T 1502-2006.Digital Cellular Mobile Telecommunication Network Testing Specification for Multimedia Message Service Terminal Equipment.1范围YD/T 1502规定了数字蜂窝移动通...
GY/T 180-2001.Technical specifications of HFC network physical upstream transmission path.1范围GY/T 180规定了有线广播电视系统上行传输物理通道的技术要求、测...
GY/T 185-2002.Specifications and methods of measurement on two-way amplifiers used in CATV systems.GY/T 185规定了有线电视系统双向放大器的技术要求和测量方法。对...
GY/T 186-2002.Specifications and methods of measurement on shielding performance of RF cable used in CATV systems.1范围GY/T 186规定了有线电视系统射频同轴电缆屏蔽性...
GY/T 187-2002.Serial multichannel audio digital interface.GY/T 187规定了多通路音频数字串行接口(OMADI)的数据构成和电气特性.GY/T 187适用于在同轴电缆或光...
GY/T 192-2003.The full scale digital level of the digital audio equipments.GY/T 192规定了广播电视数字音频系统中，节目制作、播出及传输系统数字设备的满度...
YD/T 1478-2006.Security Technical Requirements of Telecommunications Management Network(TMN).1范围YD/T 1478规定了针对电信管理网内各种不同的管理系统( MS )及管理...
YD/T 1479-2006.Technical Requirements and Testing Methods of Primary Reference Clock Equipment.1范围YD/T 1479规定了全国基准时钟( PRC )和区域基准时钟(LPR )设备的功...
YD/T 1480-2006.Test Methods of Application Server Based on Softswitch.1范围YD/T 1480规定了应用服务器功能性能、接门协议、硬件和软件、操作维护管理等相关...
