Analysis of noise in aircraft cabins through the VHF channel

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Analysis of noise in aircraft cabins through the VHF channel

Rady de Almeida Junior, Jorge / Andreia Rossi, Magali / Corrêa, Mário / Ramirez-Fernandez, Javier Francisco / Carlos Poli, Vicente / José de Menezes, Genivaldo

Abstract

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The purpose of this paper is to present a method to analyze the noise in aircraft cabins through the VHF Aeronautical Communication Channel, aimed at examining an environment that has the possibility of communication problems between the aircraft crew and the professionals responsible for the controls on land.

Design/methodology/approach –

This analysis includes equipment normally used for identification and comparison of electromagnetic noise, the cabin and the environment that are present in an airport, as well as equipment for frequency analysis and intensity of those signals. The analysis is done in a reverse way, eliminating situations that are not common in the examined environment, until the identification of the situation with the irregularity.

Findings –

According to the results, the implementation of the Fourier transform for noise analysis in the cabin was efficient. These results demonstrate that through this transformation, the noise sources can be identified in the environments in cases where there is much spectrum pollution.

Research limitations/implications –

This kind of noise analysis is important, considering the importance of having good accuracy in airport environment analysis.

Originality/value –

The paper presents the main trends in the future of aviation communications, and describes the new applications that aim to minimize problems with the current VHF channel.

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Dokumentinformationen

Titel :

Analysis of noise in aircraft cabins through the VHF channel

Beteiligte:

Rady de Almeida Junior, Jorge (Autor:in) / Andreia Rossi, Magali (Autor:in) / Corrêa, Mário (Autor:in) / Ramirez-Fernandez, Javier Francisco (Autor:in) / Carlos Poli, Vicente (Autor:in) / José de Menezes, Genivaldo (Autor:in)

Erschienen in:

Aircraft Engineering and Aerospace Technology ; 84 , 4 ; 213-220

Erscheinungsdatum :

2012-06-29

Format / Umfang :

8 pages

ISSN :

0002-2667

DOI :

https://doi.org/10.1108/00022661211237737

Medientyp :

Aufsatz (Zeitschrift)