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Proceedings Paper

Contribution of the polarization diversity in H.F. direction finding systems
Author(s): Yvon Erhel; Alawi Edjeou; Louis Bertel
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Paper Abstract

The aim of the paper is to estimate the contribution of the polarization diversity in high frequency (3 - 30 MHz) direction finding systems. We first describe the peculiarities of H.F. propagation and the resulting signal model involved in computer simulations. Next, we analyze the behavior of some particular direction finding systems using linear and circular geometries and polarization diversity. Some algorithms (non linear frequential analysis, M.U.S.I.C.) are tested in several conditions (narrowband or broadband signals, polarization filtering reiterated or no, sub-sampling). Theoretical and experimental results show that polarization diversity based upon the knowledge of the antenna complex responses improves greatly the efficiency of direction finding.

Paper Details

Date Published: 28 October 1994
PDF: 14 pages
Proc. SPIE 2296, Advanced Signal Processing: Algorithms, Architectures, and Implementations V, (28 October 1994); doi: 10.1117/12.190859
Show Author Affiliations
Yvon Erhel, Ctr. de Recherche des Ecoles de Coetquidan (France)
Alawi Edjeou, Univ. de Rennes I (France)
Louis Bertel, Univ. de Rennes I (France)

Published in SPIE Proceedings Vol. 2296:
Advanced Signal Processing: Algorithms, Architectures, and Implementations V
Franklin T. Luk, Editor(s)

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