Exploració per autor "Fabregas Canovas, Francisco Javier"
Ara es mostren els items 21-40 de 81
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Examen Final
(Universitat Politècnica de Catalunya, 2022-01-19)
Examen
Accés restringit a la comunitat UPC -
EXAMEN REAVALUACIÓ
(Universitat Politècnica de Catalunya, 2022-06-28)
Examen
Accés restringit a la comunitat UPC -
Examen Reavaluació
(Universitat Politècnica de Catalunya, 2023-07-03)
Examen
Accés restringit a la comunitat UPC -
Experimental comparison of different scattering mechanism selections for vegetation height retrieval by POLINT
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertThe application of polarimetric radar interferometry to the estimation of vegetation height is studied. A comparison between different choices for the scattering mechanisms employed in the retrieval algorithm is presented. ... -
Extraction of vegetation structure and surface parameters using polarimetric and interferometric SAR techniques
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertPresents different polarimetric and interferometric inversion radar approaches to extract the characteristics of vegetation and bare soil surfaces. The inversion techniques presented make use of multifrequency, radar ... -
Forest parameter estimation in the Pol-InSAR context employing the multiplicative–additive speckle noise model
(2011-09)
Article
Accés restringit per política de l'editorialThis paper addresses the problem of speckle noise on single baseline polarimetric SAR interferometry (Pol-InSAR) on the basis of the multiplicative–additive speckle noise model. Considering this speckle noise model, a novel ... -
Formación de imágenes ISAR de alta resolución
(1992)
Text en actes de congrés
Accés obertThis paper presents the results of ISAR processing of RCS measurements performed over a broad frequency band (12 GHz - 40 GHz). The main purpose is to reach the highest resolution in reflectivity maps in order to identify ... -
Ground topography estimation on over forests considering polarimetric SAR interferometry
(2010)
Text en actes de congrés
Accés obertThe work detailed in this paper analyzes the topographic phase retrieval process on forested areas by means of Polarimetric Interferometric SAR data. On the basis of the Random Volume over Ground scattering model, an ... -
Ground topography retrieval on forested areas based on polarimetric SAR interferometry
(2010)
Text en actes de congrés
Accés restringit per política de l'editorialThe work shown in this paper analyzes the topographic phase retrieval process on forested areas by means of Polarimetric Interferometric SAR (PolInSAR) data. On the basis of the Random Volume over Ground scattering model, ... -
Ground-based polarimetric SAR interferometry for the monitoring of terrain displacement phenomena-part I: theoretical description
(2015-03-01)
Article
Accés obertGround-based synthetic aperture radar (SAR) (GB-SAR) sensors represent an effective solution for the monitoring of ground displacement episodes. Initially, the most GB-SAR sensors were based on vector network analyzers ... -
Ground-based polarimetric SAR interferometry for the monitoring of terrain displacement phenomena-part II: applications
(2015-03-01)
Article
Accés obertUrban subsidence and landslides are among the greatest hazards for people and infrastructure safety and they require an especial attention to reduce their associated risks. In this framework, ground-based synthetic aperture ... -
High-speed focusing algorithm for circular synthetic aperture radar (C-SAR)
(IEE-INST ELEC ENG, 2000-04-30)
Article
Accés obertA new algorithm is presented which is capable of generating very fast high-resolution images for circular synthetic aperture radar (C-SAR) systems. Its main characteristic is that it allows the processing of data from such ... -
Hydrosoil, soil moisture and vegetation parameters retrieval with a C-Band GB-SAR: Campaign implementation and first results
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertHydroSoil is a measurement campaign, funded by the European Space Agency (ESA), where the temporal evolutions of two crops, barley and corn, have been continuously monitored during the whole crop period by means of a C-band ... -
Identificación selectiva de centros de dispersion radar utilizando tecnicas ISAR
(1991)
Text en actes de congrés
Accés obertThis paper presents an ISAR technique which is able to identify the scattering mechanisms in the target structure wich are responsible of each significant lo be of the RCS vs. angle diagram. The technique is based on a ... -
Impact analysis of wind turbines blockage on doppler weather radar
(2010)
Text en actes de congrés
Accés obert -
Impact of wind-induced scatterers motion on GB-SAR imaging
(Institute of Electrical and Electronics Engineers (IEEE), 2018-08-13)
Article
Accés obertGround-based synthetic aperture radar (GB-SAR) sensors represent a cost-effective solution for change detection and ground displacement assessment of small-scale areas in real-time early warning applications. GB-SAR systems ... -
Indoor experiments on polarimetric SAR interferometry
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-03-31)
Article
Accés obertA coherence optimization method, which makes use of polarimetry to enhance the quality of SAR interferograms, has been experimentally tested under laboratory conditions in an anechoic chamber. By carefully selecting the ... -
Interpretación de imágenes obtenidas por el e.r.s.-1 mediante un dispersómetro polarimétrico
(1995-06)
Article
Accés obertUn dispersómetro polarimétrico es un radar de baja potencia y corto alcance capaz de medir la matriz de dispersión de la superficie que esté iluminado. “TERPBA” (TErrestrial Radar Equipment for Scattering Analysis) es un ... -
La carta de Smith (Radiació i Ones Guiades)
(2013-09-27)
Report de recerca
Accés obert -
La gran lluita contra el mar (història del cable trasatlàntic)
(2014-02-12)
Report de recerca
Accés obert
