Browse Standards

机载指点信标接收机性能要求

Performance requirements for airborne marker beacon receiver

长距离地面模拟微波接力系统 彩色电视调制机 (一路电视一路伴音) 技术条件

Specifications for colour TV modulation equipment (1 TV+1 sound program) used in long-haul terres-trial analog radio-relay systems

在普通电话交换网和点对点二线租用电话型电路上使用标准化的回波抵消技术的2400比特/ 秒双工调制解调器

2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits

19mm螺旋扫描盒式磁带录像系统(U-matic H 格式)

Helical-scan video cassette system using 19 mm tape (U-matic H format)

传真机技术要求 三类文件传真机

Requirements for facsimile apparatus--Group Ⅲ document facsimile apparatus

传真机测试方法 文件传真机(数字)

Test procedure for facsimile apparatus--Document facsimile (digital)

传真机测试方法 文件传真机(模拟)

Test procedure for facsimile apparatus--Documents facsimile (analogue)

电声产品声音质量主观评价用节目源编辑制作规范

Specifications for the editing and production of programme source for subjective assessment of sound quality of electro-acoustic products

彩色电视接收机白场色温及其宽容度

Colour TV receiver--Colour temperature of white point--Reference white and it’s tolerance

265 无线电高度表

265 Radio altimeter

卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第七节:频率调制器 第八节:频率解调器

Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section seven:Frequency demodulators--Section eight:Frequency demodulators

卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第四节:上变频器和下变频器

Methods of measuremant for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section four:Up and down converters

卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第三节:低噪声放大器

Methods of measurement for radio equipment used in satellite earth stations--Part 2:Sub-systems measurements--Section three:Low noise amplifier

卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第五节:噪声温度测量

Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinationsof sub-systems--Section five:Noise temperature measurements

卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第五节:天线跟踪和控制

Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-systems--Section five:Antenna tracking and control

卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第四节:黑白和彩色电视传输测量

Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section four:Measurement for monochrome and colour television transmission

卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第三节:频分多路复用传输的测量

Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combinations of sub-systems--Section three:Measurements for F.D.M. transmission

卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第十节:高功率放大器

Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section ten:High-power amplifier

广播录音磁带的盘芯和带盘

Hub and reol spool of broadcast audio tape

卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第一节:概述

Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-systems--Section one: General