GY/T 200. 2一2004.Specification for HFC data transmission system Part 2: RF interface and protocol. GY/T 200. 2规定了HFC网络数据双向传输系统的物理层、数据链路层及网络层通信协议。 GY/T

GY/T 200. 1-2004.Specification for HFC data transmission system Part 1: General specification. GY/T 200. 1描述了HFC网络数据传输系统基本构成，规定了对系统的基本要求以及对系统管理、兼容性和扩展

GY/T 198-2003.Specifications and methods of measurement on QAM modulator used in digital cable broadcasting system. 1范围 GY/T 198规定了符合GY/T 170-2001 和GY

GY/T 196-2003.Technical specifications for coverage networks of FM sound broadcasting. GY/T 196规定了地面米波(VHF) 段调频广播覆盖网的主要技术要求，调频广播发射机服务区及发射机之间干扰状况的估算方法。

GY/T 195-2003.Specifications and methods of measurement on two- way subscriber port used in CATV systems. GY/T 195规定了有线电视系统双向用户端口的技术要求和测量方法。对于能够确保同样测量

GY/T 165-2000.Specifications and measuring methods of digital transmit channel for master control system in TV center. 1范围 GY/T 165规定了电视中心播控系统数字播出通路的视

GY/T 164-2000.Serial digital fibre transmission system for studios. GY/T 164规定了演播室串行数字光纤系统的传输规范。 GY/T 164适用于传输GB/T 17953- -2000 《4 : 2: 2数字分量图像信号的接口》、

GY/T 163-2000.Transmission of time code and control code in the ancillary data space of a digital television stream. 1范围 GY/T 163规定了在数字电视信号的附属数据空间内时间码

GY/T 162 一2000.24-bit digital audio format as ancillary data signals in HDTV serial interfaces. 1范围 GY/T 162规定了GY/T157--2000《演播室高清晰度电视数字视频信号接口》所规定的高清晰

GY/T 167-2000.Synchronizing reference signals for the component digital studio. 1范围 GY/T 167规定了符合GB/T14857和GB/T17953的数字分量演播室或设备的同步基准信号。 GY/T 167适用于符合G