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飞机噪声具有独特的噪声谱,国际上提出了多种评价量来关联飞机噪声和人的主观反应。一般评价量均包含:(1)单架飞机低空飞行时的独特的噪声谱;(2)在某时段内可闻的飞机数。现将主要的评价方法及标准介绍如下:
Aircraft noise has a unique noise spectrum, the international community put forward a variety of evaluation to correlate aircraft noise and human subjective response. The average rating includes: (1) the unique noise spectrum of a single aircraft flying at low altitude; and (2) the number of aircraft that can be heard over a period of time. Now the main evaluation methods and standards are as follows: