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Aircraft localization using a passive acoustic method. Experimental test

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10.1016/j.ast.2015.11.023
 
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hdl:2117/102818

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Martín Román, Sara-ReginaMés informació
Genesca Francitorra, Meritxell
Romeu Garbí, JordiMés informacióMés informacióMés informació
Clot Razquin, ArnauMés informacióMés informacióMés informació
Document typeArticle
Defense date2016-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
A passive acoustic method for aircraft localization is experimentally tested in this paper. The method relies on the Doppler effect influencing the signals received by a mesh of microphones distributed over the acoustic area of interest. The relative Doppler stretch factors between the microphone signals are estimated using a one-dimensional version of the Ambiguity function. Then, a Genetic Algorithm is used to solve the non-linear system of equations that relates the aircraft's position and velocity to this relative stretch factors. This method is used in this study to locate a radio controlled airplane equipped with a Global Positioning System (GPS). Seven microphones are distributed in the airfield area. Although the localization errors are influenced by the uncertainty in the microphones position, the acoustic system succeeds at locating the airplane.
CitationMartin, S.R., Genesca, M., Romeu, J., Clot, A. Aircraft localization using a passive acoustic method. Experimental test. "Aerospace science and technology", Gener 2016, vol. 48, p. 246-253. 
URIhttp://hdl.handle.net/2117/102818
DOI10.1016/j.ast.2015.11.023
ISSN1270-9638
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S1270963815003673?np=y&npKey=ca6bd92f6c19f4d9e8e8f9e14ba9ec8a19d9167a4cbb8ccd82581fb3c8571ceb
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