Road traffic noise reducing devices. Test method for determining the acoustic performance-Normalized traffic noise spectrum
道路交通降噪装置 测定声学性能的试验方法 归一化交通噪声谱

1998-02-15

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum
道路交通噪声降低装置.测定声学性能的试验方法.第3部分:标准化交通噪声谱；德文版EN 1793-3:1997

1997-11-01

Road traffic noise reducing devices. Test method for determining the acoustic performance-Intrinsic characteristics. In situ values of sound diffraction
道路交通降噪装置 测定声学性能的试验方法

2015-03-31

ROAD TRAFFIC NOISE REDUCTION DEVICES. TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE. PART 3: NORMALIZED TRAFFIC NOISE SPECTRUM.
道路交通降噪装置 测定声学性能的试验方法 第3部分:标准化交通噪声谱

1998-07-15

Road traffic noise reducing devices. Test method for determining the acoustic performance-Intrinsic characteristics of sound absorption under diffuse sound field conditions
道路交通降噪装置 测定声学性能的试验方法

2017-04-30

Road traffic noise reducing devices. Test method for determining the acoustic performance-Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
道路交通降噪装置 测定声学性能的试验方法

2022-09-09

Road traffic noise reducing devices. Test method for determining the acoustic performance-Intrinsic characteristics. In situ values of sound reflection under direct sound field conditions
道路交通降噪装置 测定声学性能的试验方法 内在特征 直接声场条件下声反射的原位值

2018-08-14

Road traffic noise reducing devices. Test method for determining the acoustic performance-Intrinsic characteristics. In situ values of airborne sound insulation under direct sound field conditions
道路交通降噪装置 测定声学性能的试验方法

2021-03-19

ROAD TRAFFIC NOISE REDUCTION DEVICES. TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE. PART 2: INTRINSIC CHARACTERISTICS OF AIRBORNE SOUND INSULATION.
道路交通降噪装置 测定声学性能的试验方法 第2部分:空气声隔声的固有特性

1998-07-15

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In-situ values of sound diffraction; German version CEN/TS 1793-4:2003
道路交通噪声降低装置.测定声学性能的试验方法.第4部分:固有特性.声绕射的现场值；德文版CEN/TS 1793-4:2003

2004-03-01

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions (includes Corrigendum :2018)
道路交通噪声降低装置.测定声学性能的试验方法.第5部分:固有特性.直接声场条件下声反射的现场值（包括勘误:2018）

2018-12-01

BS EN 1793-2. Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 2. Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
英国标准EN 1793-2 道路交通降噪装置 测定声学性能的试验方法 第二部分 漫射声场条件下空气隔声的固有特性

2010-06-09