ANSI/ASA S12.18-1994 室外测量声压级的美国国家标准规程
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标准号:ANSI/ASA S12.18-1994
中文标准名称:室外测量声压级的美国国家标准规程
英文标准名称:American National Standard Procedures for Outdoor Measurement of Sound Pressure Level
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:Describes procedures for the measurement of sound pressure levels in the outdoor environment, considering the effects of the ground, of refraction due to wind and temperature gradients, and of turbulence. The measured sound pressure levels can be used to calculate sound pressure levels at other distances from the source or to extrapolate to other environmental conditions or to assess compliance with regulation. Describes two methods: 1: general method, outlines conditions for routine measurements; 2: precision method, describes strict conditions for more accurate measurements.
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