GY/T 5086-2012.Standard for acoustical design of radio television studio.2.0.10计权隔声量weighted sound reduction index将实测的试件空气声隔声频率特性与《建筑隔...
GY/J 37-1988关于发布《卫星电视地面接收站设备配备标准》的通知第二章站型和系统组成第2.0.1条一级卫星电视地面接收站省、市(地)级卫星电...
GY/T 318-2018.Implementation guidelines for single frequency network system of digital terrestrial television broadcasting.GY/T 318给出了符合GB 20600- -2006的地面数字电视广...
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...
