
Road Traffic Noise Reducing Devices - Test Method For Determining The Acoustic Performance - Part 4: Intrinsic Characteristics - In Situ Values Of Sound Diffraction
出版:Danish Standards

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基本信息
標準編號: DS EN 1793-4:2015
發布時間:2015/4/16 0:00:00
標準類別:Standard
出版單位:Danish Standards
標準頁數:36
標準簡介
Explains a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of traffic noise reducing devices.
標準備注
Supersedes DS CEN/TS 1793-4. (04/2015)