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On-field measurement for sUAS noise characterization

Ramos Romero, Carlos; Green, Nathan; Asensio, César; Torija, Antonio

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Authors

Nathan Green

César Asensio



Abstract

With the imminent introduction of multi-rotor aircraft systems
in airspace and the expectation of their operation
near urban areas, noise emissions from this new type of
noise sources have become an important research topic,
mainly because they have been reported to be more annoying
than other conventional urban noise sources(e.g.,
road vehicles) at the same loudness level.
Specific techniques for adequately measuring sound produced
by small Unmanned Aircraft Systems (sUAS) are
currently being developed by international standardisation
organisations, aviation agencies, and research institutions.
All of these efforts are intended to be relevant in establishing
common measurement protocols between environmental
policymakers, stakeholders, drone companies, and
academia.
This paper presents a multichannel on-field methodology
for the characterisation of sUAS noise. In addition
to the measurement procedure, the methodology covers
the back-propagation techniques applied in the analysis
of each microphone recording, and preliminary results,
which include acoustic metrics (LAmax, LAeq and LAE),
directivity plots, and noise hemispheres during flyovers,
presented in both the time and frequency domains.

Citation

Ramos Romero, C., Green, N., Asensio, C., & Torija, A. (2023). On-field measurement for sUAS noise characterization. https://doi.org/10.61782/fa.2023.0248

Journal Article Type Conference Paper
Conference Name Forum Acusticum 2023
Conference Location Politecnico di Torino (Italy)
Acceptance Date Aug 7, 2023
Online Publication Date Oct 11, 2023
Publication Date Sep 11, 2023
Deposit Date Oct 25, 2023
Publicly Available Date Oct 30, 2023
Journal Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023
DOI https://doi.org/10.61782/fa.2023.0248
Publisher URL https://appfa2023.silsystem.solutions/index.php

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