A59 声学计量 标准查询与下载

JJG 185-1997 500Hz～1MHz测量水听器检定规程

Verification Regulation of Measuring Hydrophone in the Range 500Hz～1MHz

ASTM E650-97 安装压电声发射传感器

1.1 This document provides guidelines for mounting piezoelectric acoustic emission (AE) sensors. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Guide for Mounting Piezoelectric Acoustic Emission Sensors

ASTM E650-97(2002)e1 安装压电声发射传感器

1.1 This document provides guidelines for mounting piezoelectric acoustic emission (AE) sensors. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Guide for Mounting Piezoelectric Acoustic Emission Sensors

ISO 389-7:1996 声学 校正听力设备的基准零级 第7部分:自由场和扩散场收听条件下的基准听阈

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

ISO 9611:1996 声学 关于连接结构声辐射固体声的声源的特性 弹性安装的机械接触点处的振速测量

Approximate method of characterizing sources of structure-borne sound by the measurement of one-third-octave-band free velocity level spectra on the supports of machines mounted on resilient isolators.

Acoustics - Characterization of sources of structure-borne sound with respect to sound radiation from connected structures - Measurement of velocity at the contact points of machinery when resiliently mounted

DIN EN 50147-1:1996 消声室.第1部分:屏蔽消声测量

Anechoic chambers - Part 1: Shield attenuation measurement; German version EN 50147-1:1996

IEC TR2 61390:1996 超声学 实时脉冲回声装置 确定性能规范的试验规程

This technical report describes methods of measuring the performance of real-time medical ultrasonic imaging equipment in the frequency range 0,5 MHz to 15 MHz. This report is relevant for real-time ultrasonic scanners based on the pulse-echo principle, for the types listed below: - mechanical sector scanner; - electronic phased array sector scanner; - electronic linear array scanner; - electronic curved array sector scanner; - water-bath scanner based on any of the above four scanning mechanisms.

Ultrasonics - Real-time pulse-echo systems - Test procedures to determine the performance specifications

DIN EN 61329:1996 声音系统设备.声幅射器功率特性值的说明和测量方法(发声用电声变换器)

The document deals with definitions, characteristics and methods of measurement of passive electroacoustic transducer elements.#,,#

Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 61329:1995); German version EN 61329:1996

ARMY MIL-H-49161 NOTICE 1-1996 MK-1697()/G耳机麦克风套件

This commercial item description covers brown kraft paper used for general wrapping applications.

HEADSET-MICROPHONE KIT MK-1697( )/G

ASA S1.9-1996 测量声音强度工具ASA 117 - 1996

Instruments for the Measurement of Sound Intensity ASA 117 - 1996

Instruments for the Measurement of Sound Intensity ASA 117 - 1996

ASA S12.19-1996 职业性噪声接触测量

Measurement of Occupational Noise Exposure

Measurement of Occupational Noise Exposure

JJG 199-1996 猝发音信号源检定规程

Verification Regulation of Tone Burst Generator

JJG 176-1995 声校准器检定规程

Verification Regulation of Sound Calibrator

NF S31-025:1995 声学.使用声压法对噪声源声强级的测定.反射平面上基本无声波场的工程测试法

Acoustics. Determination of sound power levels of noise sources using sound prssure. Engineering method in an essentially free field over a reflecting plane.

NAVY MIL-A-82950-1995 ATU-117/P风箱致动

This specification covers the requirements for the Am-1 17/P Bellows Actuator. For the purposes of this specification the term "bellows actuator" or "actuator" shall refer to the ATU-l17/P Bellows Actuator (see 6.1).

ACTUATOR, BELLOWS ATU-117/P

BS EN ISO 389-2:1997 声学.音响设备校正标准参考零点.纯音和插入式耳机用参考等效门限声压级

Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and insert earphones

JJG(石油) 34-1995 综合录井仪钻井液电阻式体积传感器检定规程

Verification Regulation of Mud Pit Resistance Volume Sensor

ASA S12.42-1995 测量听力保护装置的插介入损失的真实耳朵的麦克风和声学测试固定设备ASA 116-1995

Microphone-in-Real-Ear and Acoustic Test Fixture Methods for the Measurement of Insertion Loss of Circumaural Hearing Protection Devices ASA 116-1995

Microphone-in-Real-Ear and Acoustic Test Fixture Methods for the Measurement of Insertion Loss of Circumaural Hearing Protection Devices ASA 116-1995

ASA S3.20-1995 听觉术语错误2005

Bioacoustical Terminology Erratum: 2005

Bioacoustical Terminology Includes Erratum: 2005

ARI 270-1995 户外单一设备声音等级级别

The Certification Program includes testing to determine a sound rating for outdoor unitary airconditioning equipment.

Sound Rating of Outdoor Unitary Equipment