NF S31-024-1-1995 声学.噪声源声强级的测定.混响声场中小声源和移动声源的工程测量方法.第1部分:硬墙试验室的比较分析法

作者:标准资料网 时间:2024-05-20 23:24:51   浏览:9201   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Acoustics.Determinationofsoundpowerlevelsofnoisesources.Engineeringmethodsforsmall,movablesourcesinreverberantfields.Part1:comparisonmethodforhard-walledtestrooms.
【原文标准名称】:声学.噪声源声强级的测定.混响声场中小声源和移动声源的工程测量方法.第1部分:硬墙试验室的比较分析法
【标准号】:NFS31-024-1-1995
【标准状态】:作废
【国别】:法国
【发布日期】:1995-09-01
【实施或试行日期】:1995-09-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:音频;声的混响;测定;声音;声学测量;声级;声级;封闭式试验室;噪声;声学试验;声强;声学性质和声学现象;精密度;机器;比较分析法;试验;试验;声学试验室;声学检验;声学;声试验;噪声(环境的);定义;测量技术;声源;试验条件;;;;噪声测量
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustictestingrooms;Acousticalreverberation;Acoustics;Audiofrequencies;Calibration;Closedtestrooms;Comparisonanalysis;Comparisonmethods;Comparisonsoundsources;Definitions;Determination;Externalnoise;Handling;Humidity;Information;Installations;Machines;Measuringinstruments;Measuringtechniques;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Sonictesting;Sound;Soundintensity;Soundlevel;Soundlevels;Soundproofing;Soundradiation;Soundsources;Specification(approval);Temperature;Testing;Testingconditions;Walls
【摘要】:
【中国标准分类号】:N65
【国际标准分类号】:17_140_20
【页数】:21P.;A4
【正文语种】:其他


下载地址: 点击此处下载
Product Code:SAE ARP755
Title:Aircraft Propulsion System Performance Station Designation and Nomenclature
Issuing Committee:S-15 Gas Turbine Perf Simulation Nomenclature And Interfaces
Scope:This SAE Aerospace Recommended Practice (ARP) provides performance station designation and nomenclature systems for aircraft propulsion systems and their derivatives.Product Code:SAE AS41
Title:Propeller Shaft Ends - Single Rotation (NONCURRENT May 1995)
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.