DIN EN ISO 3744-2011 声学.声压法测定噪声源的声功率级.反射面上近似自由场的工程法(ISO 3744-2010).德文版本EN ISO 3744-2010

标准号：DIN EN ISO 3744-2011
中文标准名称：声学.声压法测定噪声源的声功率级.反射面上近似自由场的工程法(ISO 3744-2010).德文版本EN ISO 3744-2010
英文标准名称：Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010); German version EN ISO 3744:2010
标准类型：Z32
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Z32
国际标准分类号：17.140.01
适用范围：This International Standard specifies methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source(machinery or equipment) in an environment that approximates to an acoustic free field near one or more reflecting planes.