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Multilateration with the wide-angle laser ranging system: ranging performance and first ground-based validation experiment / Olivier Bock in IEEE Transactions on geoscience and remote sensing, vol 37 n° 2 Tome 2 (march 1999)  

Public [article]  inIEEE Transactions on geoscience and remote sensing > vol 37 n° 2 Tome 2 (march 1999) . - pp 739 - 747 Titre : Multilateration with the wide-angle laser ranging system: ranging performance and first ground-based validation experiment Type de document : Article/Communication Auteurs : Olivier Bock , Auteur ; Christian Thom , Auteur ; Michel Kasser , Auteur ; Jacques Pelon, Auteur Année de publication : 1999 Article en page(s) : pp 739 - 747 Note générale : bibliographie Langues : Anglais (eng) Résumé : (auteur) A wide-angle laser ranging system has been developed for high-precision multilateration. A laser transmits short pulses in a widely diverging beam toward a network of cube-corner retroreflectors (CCRs). Returned echoes are detected, amplified, digitized, and timed. Impact of instrumental error sources, atmospheric refraction, and scintillation are discussed. The precision of the correlation method for the estimation of times of arrival and a least-squares adjustment method for the estimation of relative CCR coordinates is studied. Data from several ground-based experiments are analyzed. The positioning precision achieved is of 1-2.3 mm in relative radial coordinates and 1.8-3.8 cm in relative transverse coordinates. Results are consistent with a covariance analysis, demonstrating that, as follows: 1) systematic instrumental errors are well corrected; 2) outliers arising from coincident echoes are properly detected; 3) models for forward and inverse problems and estimation techniques are correct. A numerical simulation program based on these models and techniques can be used for optimizing instrumental aspects, providing extensive simulations in various conditions and processing data from future airborne experiments to which the system is devoted. Numéro de notice : A1999-023 Affiliation des auteurs : LOEMI+Ext (1985-2011) Autre URL associée : vers HAL Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/36.752190 Date de publication en ligne : 01/03/1999 En ligne : https://doi.org/10.1109/36.752190 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102811 [article]

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