ESDU 81035 gives guidance on the estimation of lateral attenuation of aircraft noise from noise measurements. Lateral attenuation is defined as the difference between the under-the-flightpath and sideline free-field levels where the propagation range of the two sound levels is the same. A knowledge of aircraft noise lateral attenuation is required for the evaluation of ground noise levels.
81035-1981由ESDU - Engineering Sciences Data Unit 发布于 1981-11-01,并于 2004-05-14 实施。
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