GY/T 151-2000.Methods of measurement for satellite digital television receive- only earth station- outdoor unit measurement.4.6.3测量方法室外单元的噪声温度，应在通带...
GY/T 150-2000.Methods of measurement for satellite digital television receive- only earth station measurement.4.13.3结 果表示法用曲线表示或用文字表示。4. 14 2T波相位...
GY/T 149-2000.Methods of measurement for satellite digital television receive一only earth station一system measurement.3.4.9.2测量方法按图1连接。视频信号发生器送出带...
GY/T 148一2000.Specification of measurement for satellite digital television receiver.1范围GY/T 148规定了卫星数字电视接收机技术要求。GY/T 148适用于卫星数字电...
GY/T 147一2000.General technical requirements for satellite digital television earth receive一only station.1范围GY/T 147规定了卫星数字电视接收站的技术要求。GY/...
GY/T 121 - 1995.Mothods of masurement on cable television systems.引线，输入端口给予終接。对于其它频道，应断开基带视频信号,并且给予终擞不得采用关...
GY/T 145-2000.Specification for mana gement of network element information model of broadcast and TV SDH backbone network.1范围GY/T 145规定了我国广播电视SDH干线网网元管...
GY/T 144-2000.Specification for management protocol interface of broadcast and TV SDH backbone network.3.8 被管对象managed object ( MO )从管理角度的电信资源，它可由代...
GY/T 143-2000.Specifications and methods of measurement on AM optical transmitter and receiver used in CATV systems.1范围GY/T 143规定了有线电视系统正向(主)通道残留边...
GY/T 142-1999.Technical specifications for VHF and UHF terrestrial television broadcasting monitoring.1范围GY/T 142规定了米波(VHF)、分米波(UHF)地面电视广播的测量项...
