YD/T 1256-2003.Supplementary Specification of IN CS-1 INAP.1范围YD/T 1256规定了在原有的GF017-95《智能网应用规程(INAP) 一被叫集中付费， 记账卡，虚拟专用...
GY 5013-2014.Code for radio television engineering survey.3.2天文 点经纬度测量3.2. 1经纬仪或 全站仪测定天文点的经度宜采用恒星高度法，观测应满足下...
GY/T 5093-2020.Technical standard for engi neer ing construction of emer gency broadcasting platform.1.0.3应急广播平台工程的建设应符合全国应急广播体系建设总体...
GB 24850-2020.Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions and set-top boxes.GB 24850规定了平板电视和普通用途机顶...
GY/T 328一2020.Technical specification for operation and maintenance of radio and TV steel tower and mast.GY/T 328规定了广播电视钢塔桅(简称“钢塔桅”)日常巡检维...
GY/T 329一2020.Test materials to be used in subjective assessment for 4K ultra high definition v ideo picture quality.GY/T 329规定了信号格式符合GY/T 307- -2017或GY/T 315-...
GY/T 331-2020.Technical requirements for audio identification and line-up signal of high definition television.4.2.4信号使用方法4.2.4.1 概述信号以44s为一个周期循环播...
GY/T 330-2020.Colour bar test pattern for urtra high definition and high dynamic range video sy stems.GY/T 330规定了超高清高动态范围(HDR) 视频系统彩条测试图，包括...
GY/T 332-2020.Specification of data format for interactive video over the internet.互动视频制作平台通过互动视频制作工具为视频添加剧情选择、视角切换、画...
YD/T 1223-2002.800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network (WIN) phase1 : equipment technical specification of Service Switching Point (S...
