环境噪声:无人机气动声学框架下的问题与研究

IF 0.1 Q4 ACOUSTICS Akustika Pub Date : 2021-01-01 DOI:10.36336/akustika20214116

P. Moshkov

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引用次数: 6

摘要

考虑了环境噪声在螺旋桨无人机群体噪声问题中的作用。本文介绍了作者在开阔地形、山区、近海和高速公路上对背景光谱特征的测量结果。提出了一种计算开阔地形背景噪声谱(风噪声)的表达式。研究结果表明，环境噪声在低、中频情况下是一种有效的螺旋桨无人机噪声掩蔽器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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AMBIENT NOISE: PROBLEM AND STUDY IN THE FRAMEWORK OF UAV AEROACOUSTICS

The role of ambient noise in the problem of community noise of propeller-driven unmanned aerial vehicle is considered. The results of the author's measurements of the spectral characteristics of the background in open terrain, in the mountains, near the sea and the highway are presented. An expression is proposed for calculating the spectrum of background noise in open terrain (wind noise). It is shown that the ambient noise can be an effective noise masker of propeller-driven UAV in the low and medium frequencies.

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来源期刊

Akustika ACOUSTICS-

CiteScore

0.80

自引率

0.00%

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