Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Interferòmetres"'
1
Fundamental limits of phase estimation with nonlinear interferometers
Autor: Pérez Castro, David
Interferometers have established themselves as good phase sensitivity estimators, although passive interferometers (those characterized by the SU(2) group) are bounded by the shot noise limit. If we want to overcome this boundary without having to en
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3484::8c1f1721f74b5f57361376ae84c7b97e
https://hdl.handle.net/2117/377006
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2
Multi-stroke positive cloud-to-ground lightning sharing the same channel observed with a VHF broadband interferometer
Autor: M. Urbani, J. Montanyá, O. A. van der Velde, M. Arcanjo, J. A. López
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
In the same lightning flash, whose usual duration is less than a second, there can be multiple negative cloud-to-ground strokes with different terminations or following a preexisting channel to the ground. In contrast, it is not common to have multip
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7abe41cbe6d0453b03c130054f5a859
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4
GEOSAR permanent continental observation. Impact of atmospheric and surface decorrelation
Autor: Palacio García, Héctor
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Earth Observation missions are usually carried out by Low-Earth Orbit (LEO) satellites, which have major drawbacks when it comes to continuous monitoring of certain aspects of the Earth. The European Space Agency is currently in the Phase 0 (feasibil
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::61fb7822dc0a13bee2aaf5348d81239b
http://hdl.handle.net/2117/359702
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5
On the detection of RFI through the correlation anomaly at different time lags
Autor: Adriano Camps, Raul Dies-Garcia
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
IGARSS
Microwave radiometers can be considerably affected by Radio Frequency Interference (RFI). These man-made interference conceal the underlying natural signal, preventing the retrieval of geophysical variables. Adopting on-board detection and mitigation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8f8a2d2885ea515c00c2706403c772d
http://hdl.handle.net/2117/366673
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6
Forbush decreases and <2 day GCR flux non-recurrent variations studied with LISA pathfinder
Autor: N. Korsakova, Jacob Slutsky, Valerio Ferroni, D. Hoyland, Ian Harrison, Henri Inchauspe, Monica Laurenza, J. Grzymisch, Davor Mance, Ph. Jetzer, H. Ward, E. D. Fitzsimons, D. Texier, R. Giusteri, W. J. Weber, Gerhard Heinzel, Antoine Petiteau, Paul McNamara, Ignacio Mateos, Lluis Gesa, Ivan Lloro, Carlos F. Sopuerta, Rita Dolesi, D. I. Robertson, Martin Hewitson, Domenico Giardini, Daniel Hollington, J. Martino, J. P. López-Zaragoza, B. Kaune, M. Hueller, Daniele Vetrugno, J. A. Lobo, Michael Perreur-Lloyd, Ferran Gibert, R. Maarschalkerweerd, M. Born, Víctor S. Martín, L. Martin-Polo, James Ira Thorpe, P. Pivato, Luigi Ferraioli, A. Wittchen, Stefano Vitale, F. Rivas, M. Fabi, Gudrun Wanner, Juan Ramos-Castro, José F. F. Mendes, A. Cesarini, G. Russano, Heather Audley, Peter Wass, Eric Plagnol, Ingo Diepholz, N. Finetti, Karsten Danzmann, Pierre Binétruy, L. Wissel, Antonella Cavalleri, Peter Zweifel, Daniele Bortoluzzi, L. Mendes, J. Reiche, Miquel Nofrarías, J. Baird, Michele Armano, M. Freschi, S. Paczkowski, A. M. Cruise, N. Karnesis, Simone Benella, Mattia Villani, F. Martin-Porqueras, N. Meshksar, Daniele Telloni, Oliver Jennrich, Karel Kudela, T. J. Sumner, L. Liu, E. Castelli, M. de Deus Silva, Catia Grimani, Christian J. Killow, G. Dixon
Publikováno v: Astrophys.J.
Astrophys.J., 2019, 874 (2), pp.167. ⟨10.3847/1538-4357/ab0c99⟩
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Astrophysical Journal
International audience; Non-recurrent short-term variations of the galactic cosmic-ray (GCR) flux above 70 MeV n−1 were observed between 2016 February 18 and 2017 July 3 on board the European Space Agency LISA Pathfinder (LPF) mission orbiting arou
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7ef95a3e5803afcf315d0301a3cef1f
https://hdl.handle.net/2117/134946
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7
Millora de la precisió radiomètrica de SMOS per la recuperació en aplicacions de salinitat
Autor: Vizcarro I Carretero, Marc
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Se trata de mejorar las imágenes del satélite SMOS del que la UPC tiene acceso a los datos. Sobre los oceanos es necesario mejorar la calidad de las imágenes para todas las aplicaciones relacionadas con la salinidad. This Degree Thesis has been pe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c46eac8b8d8da3be5679298e5282c545
http://hdl.handle.net/2117/89342
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8
On the study of wavefront aberrations combining a point-diffraction interferometer and a Shack-Hartmann sensor
Autor: Marzoa Domínguez, Antonio
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2016, Tutor: Santiago Vallmitjana
A comparison between reconstruction of wavefront aberration (WA) provided by two different techniques (a point-diffraction
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::821d577aa86b13324f9d7d6dc9194a75
http://hdl.handle.net/2445/102933
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9
Reconfigurable beams with arbitrary polarization and shape distributions at a given plane
Autor: Rosario Martínez-Herrero, David Maluenda, Artur Carnicer, Ignasi Juvells
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
ResearcherID
Recercat. Dipósit de la Recerca de Catalunya
instname
Methods for generating beams with arbitrary polarization based on the use of liquid crystal displays have recently attracted interest from a wide range of sources. In this paper we present a technique for generating beams with arbitrary polarization
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::020fa7f79d0bcca4e22cd103161c4ecd
http://hdl.handle.net/2445/43312
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10
Deep GMRT radio observations and a multi-wavelength study of the region around HESS J1858+020
Autor: Marc Ribó, C. H. Ishwara-Chandra, Victor Zabalza, Kazushi Iwasawa, J. M. Paredes, Valentí Bosch-Ramon
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname
There are a number of very high energy sources in the Galaxy that remain unidentified. Multi-wavelength and variability studies, and catalogue searches, are powerful tools to identify the physical counterpart, given the uncertainty in the source loca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2ef20cf876b6d2b56ef92d17b315ee5
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