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声学 助听器真耳声学特性的测量程序

Procedure for measuring real-ear acoustic properties of acoustic hearing aids

音频、视频及相关美利体育官网首页网址的功耗 第1部分：测量方法

Power consumption of audio, video and related equipment, Part 1: Methods of measurement

电气和光学连接元件.试验方法.电气元件.耦合器开路阻抗的测量

Elements of electrical and optical connection - Test methods - Electrical elements - Measurement of open circuit impedance of couplers

电声学.测听美利体育官网首页网址.纯音和言语测听美利体育官网首页网址

Electroacoustics. Audiometric equipment. Equipment for pure-tone and speech audiometry

声学.助听器真耳声学特性测量规程

Acoustics - Procedures for the measurement of real-ear acoustical characteristics of hearing aids

航空航天系列.光电连接件.试验方法.第701部分:电气元件.耦合器开路阻抗测量

Aerospace series - Elements of electrical and optical connection; Test methods - Part 701: Electrical elements; Measurement of open circuit impedance of couplers; German and English version EN 2591-701:2001

航空航天系列.光电连接件.试验方法.第703部分:电气元件.耦合器共模抑制比测量

Aerospace series - Elements of electrical and optical connection; Test methods - Part 703: Electrical elements; Common mode rejection of couplers; German and English version EN 2591-703:2001

航空航天系列-电气和光学连接元件

Aerospace series - Elements of electrical and optical connection; Test methods - Part 703: Electrical elements; Common mode rejection of couplers; German and English version EN 2591-703:2001 / Note: Applies in conjunction with DIN EN 2591-100 (2006-08).

电声学 助听器真耳声学性能特征的测量（草案）

Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids

电声学.助听器真耳听觉特性测量美利体育官网首页网址 (IEC 61669:2001); 德文版本 EN 61669:2001

Electroacoustic - Equipment for the measurement of real-ear acoustical characterics of hearing aids (IEC 61669:2001); German version EN 61669:2001

船用无线电美利体育官网首页网址和服务的电磁兼容性（EMC）标准；涵盖 2014/53/EU 指令第 3.1b 条基本要求的协调标准； 第2部分：VHF 无线电话发射机的具体条件和...

ElectroMagnetic Compatibility (EMC) standard for marine radio equipment and services; Harmonised Standard covering the essential requirements of article 3.1b of the Directive 2014/53/EU; Part 2: Specific conditions for VHF radiotelephone transmitters a...

铁路电信 (RT) GSM-R 改进的接收器参数 第2部分：无线电一致性测试

Railway Telecommunications (RT); GSM-R improved receiver parameters; Part 2: Radio conformance testing

预采节目光学反射式视盘系统"LV"50Hz/625行-PAL制

Pre-recorded optical reflective videodisk system “Laser vision”50Hz/625 lines-PAL

数字电视接收美利体育官网首页网址标准测试信号

Standard test signals for digital television receiving equipment

家用录音录像机的测量磁带. 一般技术条件

Magnetic tapes for domestic video recording. General specifications

电磁兼容性 (EMC) 第4-41部分：测试和测量技术 宽带辐射抗扰度测试

Electromagnetic compatibility (EMC) - Part 4-41: Testing and measurement techniques - Broadband radiated immunity tests

电声学—听力辅助器具真实耳朵声学性能特性测量

Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids

对于没有被E模型包含的评估对话语音传输质量效果的指南 G系列:传输系统和媒介,数字系统和网络 国际电话连接和电路

Guidance for Assessing Conversational Speech Transmission Quality Effects Not Covered by the E-Model Series G: Transmission Systems and Media Digital Systems and Networks International Telephone Connections and Circuits - General Definitions Study Group 1

在黑白和彩色电视信号的场消隐期测试信号的插入-电视及声音节目原国际电信联盟无线电通信研究建议CMTT

Insertion of Test Signals in the Field-Blanking Interval of Monochrome and Colour Television Signals - Television and Sound Transmission Formerly Recommendation ITU-R CMTT.473; Study Group 9; 14 pp

传送MAC/包信号或HD-MAC信号的传输电路的测试信号和测量技术 系列J:电视和声音节目信号的传输

Test signals and measurement techniques for transmission circuits carrying MAC/packet signals Study Group 9

测试信号

Test signals

用于超宽带和全频带应用的 AM-FM 测试信号

AM-FM test signal for super-wideband and fullband applications

新增附录 II：ITU-T P.863 对 ITU-T P.501 和 ITU-T P.565 语音样本的测试结果

New Appendix II: ITU-T P.863 results on ITU-T P.501 and ITU-T P.565 speech samples

用于电话测量的测试信号 P 系列：电话传输质量；物镜测量装置（第 12 研究组；34 页）

Test Signals for Use in Telephonometry - Series P: Telephone Transmission Quality; Objective Measuring Apparatus (Study Group 12; 34 pp)

(预发布)用于通话计时的测试信号

Test signals for use in telephonometry (Study Group 12)

声学 听力测试方法 第2部分：纯音和窄带测试信号的声音场听力测定（ISO 8253-2:2009）

Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009)

移动终端显示性能技术规范

Mobile terminal display performance technical specification

激光电视画质评价规范

Laser TV image quality evaluation specification

声学 听力测试方法 第2部分：使用纯音和窄带测试信号的声场听力测量（ISO 8253-2:2009）

Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009)

音频 视频 及相关美利体育官网首页网址 功耗测定 第2部分：信号和媒体 (IEC 62087-2:2015)

Audio@ video@ and related equipment - Determination of power consumption - Part 2: Signals and media (IEC 62087-2:2015); German version EN 62087-2:2016