Lorentzian Operator for Angular Source Localization with Large Array

• Autorzy: Khmou Y. , Safi S. , Frikel M.
• Języki publikacji: EN

Abstrakty

EN

Source localization problem consists of an ensemble of techniques that are used to obtain spatial information of present radiation in given medium of propagation, with a constraint of the antenna geometry and the characteristics of radiating sources. This condition gives multitude of cases to study, hence several methods were proposed in the literature. In this paper, a new algorithm for estimating the Direction of Arrival (DoA) of narrowband and far eld punctual sources is introduced. By exploiting the spectrum of covariance matrix of received data, the Lorentzian function on spectral matrix to lter the eigenvalues is applied. This ltering process eliminates the eigenvalues belonging to signal subspace. Parameters of Lorentz function are adjusted using rst and second statistics of eigenvalues. The algorithm requires the knowledge of minimum eigenvalue and is performing when the dimension of antenna is relatively large which is conrmed by several Monte Carlo simulations.

Słowa kluczowe

EN

array processing; Direction of Arrival; narrowband; operator

• Wydawca: Instytut Łączności - Państwowy Instytut Badawczy
• Czasopismo: Journal of Telecommunications and Information Technology
• Rocznik: 2015
• Tom: nr 4
• Strony: 98--105
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Khmou Y.

• Department of Mathematics and Informatics, Beni Mellal, Morocco

autor

Safi S.

• Department of Mathematics and Informatics, Beni Mellal, Morocco

autor

Frikel M.

• Greyc UMR 6072 CNRS, ENSICAEN, Caen, France

Bibliografia

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