Výsledky vyhledávání - "C. Taffoureau"

Characterization of a dense aperture array for radio astronomy

Autor: C. Taffoureau, B. Censier, Aris Karastergiou, P. Picard, P. Renaud, A. O. H. Olofsson, Steve Torchinsky, M. Serylak

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2016, 589, pp.A77. ⟨10.1051/0004-6361/201526706⟩

EMBRACE@Nancay is a prototype instrument consisting of an array of 4608 densely packed antenna elements creating a fully sampled, unblocked aperture. This technology is proposed for the Square Kilometre Array and has the potential of providing an ext

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f50e080107c4aabbdc7be4cd50aaae59
https://hal-insu.archives-ouvertes.fr/insu-01369638

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NenuFAR: Instrument description and science case

Autor: Sylvain Azarian, A. Bosma, Chiara Ferrari, A. Petiteau, Loïc Denis, M. Pandey-Pommier, Luitje Koopmans, Remy Boyer, M. Arnaud, C. Taffoureau, Jean-Louis Pinçon, David Mary, Giulia Macario, M. N. El Korso, A. A. Konovalenko, Jean-Jacques Maintoux, W. van Driel, Marcellin Atemkeng, Didier Charrier, Ismaël Cognard, Peter L. Tokarsky, B. Guiderdoni, Benoît Revenu, A. Loh, Annalisa Bonafede, J. Vaubaillon, A. Ferrari, S. Daiboo, S. Masson, M. Serylak, Edith Falgarone, Francoise Combes, F. Levrier, Gilles Theureau, P. Salome, Mykhaylo Panchenko, Arwa Dabbech, M.-A. Miville-Deschenes, B. Semelin, M. Was, Jason W. T. Hessels, J.-M. Griebmeier, Frederic Boone, Carine Briand, Rodolphe Weber, E. Gerard, C. Fevotte, Frederic Rible, S. D. Vergani, V. V. Zakharenko, Cedric Dumez-Viou, V. I. Kondratiev, Julien N. Girard, E. Chassande-Mottin, T. Lanz, L. Lamy, Oleg Smirnov, M. Fullekrug, O. M. Ulyanov, Franco Vazza, Benjamin Stappers, C. Tasse, P. Zarka, M. Tagger, C. Courte, M. Branchesi, Lucas Guillemot, Matt Lehnert, Baptiste Cecconi, Steve Torchinsky, I. Falkovych, D. Oberoi, Richard Dallier, A. Coffre, M. Barsuglia, I. Y. Vasylieva, Stephane Corbel, Katia Ferrière, Helmut O. Rucker, L. Martin, A. Fialkov, S. Celestin, Cédric Richard, Pascal Larzabal

Publikováno v: 2015 International Conference on Antenna Theory and Techniques (ICATT)
2015 International Conference on Antenna Theory and Techniques (ICATT), Apr 2015, Kharkiv, Ukraine. ⟨10.1109/ICATT.2015.7136773⟩
Proceedings of International Conference on Antenna Theory and Techniques; 2015: ICATT’2015-Proc. of X Int. Conf. on Antenna Theory and Techniques; 13-18
Proceedings of International Conference on Antenna Theory and Techniques; 2015: ; 13-18
IEEE International Conference on Antenna Theory and Techniques-ICATT 2015
IEEE International Conference on Antenna Theory and Techniques-ICATT 2015, Apr 2015, Kharkiv, Ukraine. pp.1-6, ⟨10.1109/ICATT.2015.7136773⟩

International audience; NenuFAR is both a giant extension of the LOFAR and a large standalone instrument in the low-frequency range (10-85 MHz). It was designed in Nançay with national and international collaboration. Antenna radiators were modeled

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::219454706ddc602065a112a281676ae2
https://hal.science/hal-01196457/file/zarka2015.pdf

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EMBRACE@Nancay: an ultra wide field of view prototype for the SKA

Autor: P. Renaud, C. Taffoureau, B. Censier, A. O. H. Olofsson, Steve Torchinsky, Aris Karastergiou, M. Serylak

Publikováno v: Journal of Instrumentation
2nd International Summer School on Intelligent Signal Processing for Frontier Research and Industry (INFIERI 2014)
2nd International Summer School on Intelligent Signal Processing for Frontier Research and Industry (INFIERI 2014), Jul 2014, Paris, France. 17 p., ⟨10.1088/1748-0221/10/07/C07002⟩
Journal of Instrumentation, IOP Publishing, 2015, 10 (C07002), 16 p. ⟨10.1088/1748-0221/10/07/C07002⟩

A revolution in radio receiving technology is underway with the development of densely packed phased arrays for radio astronomy. This technology can provide an exceptionally large field of view, while at the same time sampling the sky with high angul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb7c6bf67836d87ce0d4d012c0b00ba5
https://hal-insu.archives-ouvertes.fr/insu-01493261

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An overview of EMBRACE station processing

Autor: W. Paule, C. Taffoureau, V. Macaire, P. Renaud, P. Picard

Publikováno v: Proceedings of Wide Field Astronomy & Technology for the Square Kilometre Array — PoS(SKADS 2009).

This paper shows an overview of the many tasks and data objects used in the EMBRACE station processing in order to deliver digital beams. Data rate troughout the processing chain and examples of station configuration are given.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c64501ff51dc5ccfd12bc96d9de6b344
https://doi.org/10.22323/1.132.0038

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Profiling the EMBRACE tile beam using GPS satellite carriers

Autor: Henrik Olofsson, Stelio Montebugnoli, Jean Michel Martin, Stefan J. Wijnholds, Jan E. Noordam, P. Picard, Steve Torchinsky, Laurent Chemin, Severin Barth, Gideon W. Kant, C. Taffoureau, Reinhard Keller, Stephane Bosse, W. Paule, S. Pomarede, P. Renaud

Publikováno v: Scopus-Elsevier

All rights reserved. The L2C carriers of multiple GPS satellites have been used to trace out a nearly complete beam pattern out to 45 away from the main lobe centre for a horizontally mounted single EMBRACE tile. The beam was formed along its bore-si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b81b3e262693097da85c96b1cf17f82f
https://doi.org/10.22323/1.132.0042

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R&D at Nançay for radio astronomy detectors and systems

Publikováno v: EAS Publications Series
EAS Publications Series, EDP Sciences, 2009, 37, pp.127-134. ⟨10.1051/eas/0937015⟩
Astrophysics Detector Workshop 2008
Astrophysics Detector Workshop 2008, Nov 2008, Nice, France. pp.127-134

International audience; Nançay radio astronomy station teams are involved in several aspects of the Research and Development (R&D) for radio astronomy detectors and systems: i) Microelectronics: Low Noise Amplifiers (LNA), receiver on chip andsystem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7eab42d4afb65a7c8672fe7811f3d77
https://hal-insu.archives-ouvertes.fr/insu-03350908

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