Browsing by Subject "Synthetic aperture radar"
Now showing items 1-20 of 130
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A comparison of phase unwrapping techniques in synthetic aperture radar interferometry
(Institute of Electrical and Electronics Engineers (IEEE), 1999)
Conference report
Open AccessA comparison of different phase unwrapping techniques based on the least mean square error is presented. A testing environment based on simulated interferograms has been created in order to assess the methods described in ... -
A Ku-band geosynchronous synthetic aperture radar mission analysis with medium transmitted power and medium-sized antenna
(IEEE, 2011)
Conference report
Restricted access - publisher's policyIn this paper, the feasibility of a geosynchronous satellite for Synthetic Aperture Radar applications is assessed. The nearly fixed position of geosynchronous satellites offers new features to SAR acquisition such as ... -
A miniaturized two axis sun sensor for attitude control of nano-satellites
(2010-10-10)
Article
Open AccessThis paper describes the design, fabrication, characterization, and satellite integration of a miniaturized two axis sun sensor which has been used in the attitude control system of the Spanish nano-satellite NANOSAT-1B. ... -
A near field spherical wave inverse synthetic aperture radar technique
(Institute of Electrical and Electronics Engineers (IEEE), 1992)
Conference report
Open AccessThe authors present an imaging near-field spherical wave inverse synthetic aperture radar (SWISAR) algorithm based on a focusing operator of the scattered fields on the target surface. A spherical wave can be easily generated ... -
A Small Baseline DIFSAR Approach for Investigating Deformations on Full Resolution SAR Interferograms
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-07-31)
Article
Open AccessThis paper presents a differential synthetic aperture radar (SAR) interferometry (DIFSAR) approach for investigating deformation phenomena on full-resolution DIFSAR interferograms. In particular, our algorithm extends ... -
Adaptive Digital Beam-Forming for High-Resolution Wide-Swath Synthetic Aperture Radar
(Universitat Politècnica de Catalunya, 2009-06-29)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Deutsches Zentrum für Luft-und RaumfahrtThe thesis “Adaptive Digital Beam-Forming for High-Resolution Wide-Swath Synthetic Aperture Radar” is a project carried out in the Microwaves and Radar Institute (IHR) at the German Aerospace Center (DLR) The objective ... -
Advances in multidimensional synthetic aperture radar signal processing
(2010)
Article
Open Access -
Airborne bistatic SAR receiver with the capability of use different opportunity transmitters
(2008)
Conference report
Open AccessThis paper describes the design and construction of a bistatic SAR receiver suitable for airborne applications, using orbital SAR systems (ENVISAT, ERS-2, RADARSAT, TerraSAR-X among others) as opportunity transmitters. The ... -
An adaptive scattering-mechanism-based filtering for multi-temporal pol(In)SAR data
(VDE Conference Publications, 2018)
Conference report
Restricted access - publisher's policyThis paper presents a new adaptive filtering method for multi-temporal Pol(In)SAR images' denoising. Based on the polarimetric scattering mechanism of the given PolSAR data, the filtering first classifies all pixels into ... -
Analysis and design of an interferometer for geostationary synthetic aperture radars orbit determination
(Universitat Politècnica de Catalunya, 2015-07)
Master thesis (pre-Bologna period)
Open AccessThe industry of remote sensing has nowadays strongly developed systems, which are versatile and adaptable, however they are not optimal for certain applications. With more than enough reason from it, a new technology of ... -
Analysis of ASAR/Envisat polarimetric backscattering characteristics of Doñana National Park wetlands
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
Conference report
Open AccessDoñana National Park wetlands, in southwest Spain, undergo yearly cycles of inundation and drying out. These cycles, together with great extensions of annual helophytes, make of Doñana a rapidly changing environment. 43 ... -
Analysis of denoising algorithms for Polarimetric SAR data: the cases of the Bilateral and the Non Local Means filters
(Universitat Politècnica de Catalunya, 2014-09-12)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Technische Universität Berlin[ANGLÈS] The aim of this thesis is to do an in-depth analysis of state-of-the-art denoising methods for Polarimetric SAR data and to propose a new algorithm taking advantage on their strong points. The filters under analysis ... -
Analysis of the capability of C-band fully polarimetric SAR data to monitor snowed environments
(Universitat Politècnica de Catalunya, 2013-12-20)
Master thesis
Open Access[ANGLÈS] This study focuses on snow cover monitoring based on C-Band fully Polarimetric Synthetic Aperture Radar (PolSAR) data. Due to the lack of polarimetric sensors, most of the previous studies have been based on single ... -
Analysis, evaluation, and comparison of polarimetric SAR speckle filtering techniques
(2014-04)
Article
Restricted access - publisher's policySpeckle noise filtering on polarimetric SAR (PolSAR) images remains a challenging task due to the difficulty to reduce a scatterer-dependent noise while preserving the polarimetric information and the spatial information. ... -
Anàlisi i interpretació de mesures de deformació obtingudes amb Interferometria Diferencial SAR satel·litat. Aplicació a l'Area Metropolitana de Barcelona
(Universitat Politècnica de Catalunya, 2019-09)
Bachelor thesis
Restricted access - author's decision
Covenantee: Centre Tecnològic de Telecomunicacions de Catalunya (CTTC) -
Análisis de datos SAR polarimétricos para el estudio y caracterización de zonas agrícolas
(Universitat Politècnica de Catalunya, 2010-12-16)
Master thesis (pre-Bologna period)
Open AccessCastellano: Análisis de datos SAR polarimétricos para el estudio y caracterización de zonas agrícolas en el caso de la misión Sentinel-1 de la Agencia Espacial Europea. -
Análisis de técnicas basadas en árboles de partición binaria aplicadas a PoISAR
(Universitat Politècnica de Catalunya, 2009-09-07)
Master thesis (pre-Bologna period)
Open Access -
Análisis y caracterización del rizado "scalloping" en imágenes radar scansar y topsar
(Universitat Politècnica de Catalunya, 2011-03-25)
Master thesis (pre-Bologna period)
120 months embargoCatalà: En els últims anys el nombre de missions que utilitzen radars de tipus SAR està augmentant considerablement degut a les bones prestacions que ofereixen en front de les possibles condicions climatològiques adverses. ... -
Antenna Modeller for Synthetic Aperture Radar Applications. Electromagnetic and Radiometric Considerations
(Universitat Politècnica de Catalunya, 2011-02-17)
Master thesis
Open AccessThe objective of the present Master Thesis is designing an optimizer of the excitation coefficients of a phased array antenna. -
Aplicación del análisis fractal al estudio de las estructuras dinámicas de fluidos medioambientales
(Fundación para el Fomento de la Ingeniería del Agua, 2008-09)
Article
Open AccessLa aparición de múltiples escalas, que interactúan entre si en diversos fenómenos físicos medioambientales, especialmente cuando el régimen fluido es turbulento, exige métodos de análisis nuevos. El análisis multi-fractal ...
