Browse Standards

用红外辐射的声传输

Sound transmission using infrared radiation

用于60～108 kHz基群电路的48 kbit/s数据传输的调制解调器

Modems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits

用于60～108 kHz基群电路的宽带调制解调器的测量方法

Methods of measurement of modems for wide band using 60～108 kHz group band circuits

长距离地面模拟微波接力系统 彩色电视解调机 (一路电视一路伴音) 技术条件

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

机载指点信标接收机性能要求

Performance requirements for airborne marker beacon receiver

中波和短波调幅广播发射机基本参数

Basic performance parameters for medium wave and shortwave AM broadcasting transmitters

收音机、录音机听音试验

Listening tests on radio receiver and/or tape recorder

中波和短波广播发射机测量方法

Methods of measurement for broadcasting transmitters used in MW or SW band

电视广播接收机主观试验评价方法

Subjective tests and assessment for broadcasting television receivers

声音广播接收机基本参数

Basic parameters for sound broadcasting receivers

船用雷达技术要求和使用要求 测试方法和要求的测试结果

Shipborne radar，technical and operation requirements--Method of testing and required test results

无线传声器系统测量方法

Methods of measurement for wireless microphonesystems

反射式灰度级测试图

The reflection grayscale test chart

高保真传声器最低性能要求

Minimum performance requirements on high fidelity microphones

直接辐射式扬声器尺寸

Dimensions of director radiator loudspeaker

彩色电视广播接收机可靠性验证试验 贝叶斯方法

Bayes method of reliability demonstration testing for colour broadcasting TV receiver

地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第四节 频率调制机

Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section four--Frequency modulators

地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第八节 接收机

Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section eight--Radio receivers

地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第一节 通则

Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section one--General

地面无线电接力系统所用设备的测量方法 第三部分:仿真系统的测量 第一节 通则

Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section one--General