Now showing items 21-40 of 188

    • Anàlisi interferomètric de la conca potàssica catalana 

      Rodríguez Quipusco, Juan (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Restricted access - author's decision
      Aquest treball consisteix en l’estudi de subsidència amb el processat d’imatges amb el mètode DInSAR de les zones de Sallent i Súria on es du a terme una activitat minera subterrània. Les dades de partida que es faran ...
    • Anàlisis de les interferències de la xarxa LTE sobre el servei de radiodifusió de TDT 

      Martinez Pla, Joan (Universitat Politècnica de Catalunya, 2012-07)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Co-channel interference analysis of an implementation of an LTE network broadcasting on the DTT network of Abertis Telecom, mainly in the channels 60 and 59.
    • Análisis e integración de un radiómetro de apertura sintética 

      Canales Contador, Francisco José (Universitat Politècnica de Catalunya, 2009-06-10)
      Master thesis (pre-Bologna period)
      Open Access
      En las últimas décadas, ha habido un creciente interés en la determinación de algunos parámetros como la salinidad y altura de la superficie marina (SSS y SSH), o la humedad del suelo. Algunas de estas variables son ...
    • Análisis y evaluación sísmica de un edificio dañado por sismo. Aplicación de métodos de análisis de daño y monitoreo experimental con radar interferométrico. 

      Salas Chavez, Miguel Armando (Universitat Politècnica de Catalunya, 2020-03-04)
      Master thesis
      Restricted access - author's decision
    • Aplicaciones diferenciales de la interferometría SAR 

      Carrasco, D; Esteban, D; Tena, J; López Bonillo, Francisco; Rodríguez, O; Broquetas Ibars, Antoni (1997)
      Conference report
      Open Access
      Synthetic Aperture Radar Interferometry allows the coherent combination of radar images acquired from different viewpoints. The interferogram generated by substracting their phases has got information related to the geometry ...
    • Ascending-descending orbit combination SAR interferometry assessment 

      Carrasco, D; Díaz, J; Broquetas Ibars, Antoni; Arbiol, Roman; CASTILLO, M; Palà, V (ESA Publications Division, 1997)
      Conference report
      Open Access
      Ascending-descending orbit combination for DEM generation is very promising technique which can be used to fill in ome gaps in the DEMs caused by the geometric deformations or SAR images. The benefits from the combination ...
    • Assessment and estimation of the RVoG model in polarimetric SAR interferometry 

      López Martínez, Carlos; Alonso González, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2014-06-01)
      Article
      Restricted access - publisher's policy
      This paper investigates the validity of the random-volume-over-ground (RVoG) scattering model assumption for forest scattering on polarimetric interferometric synthetic aperture radar (PolInSAR) data. The model makes some ...
    • Atmosphere characterisation with SAR interferometry 

      Moyano Sánchez, Gorka (Universitat Politècnica de Catalunya, 2009-07)
      Master thesis
      Open Access
      The contribution of the atmosphere in SAR interferometry is not completely known. Therefore, the goal of the project is to characterise the atmosphere, i.e., to study the way it relates to interferograms. The analysis ...
    • Atmospheric phase screen compensation in ground-based sar with a multiple-regression model over mountainous regions 

      Iglesias González, Rubén; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; Mallorquí Franquet, Jordi Joan; López Martínez, Carlos; Gili Ripoll, José Antonio; Corominas Dulcet, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2014-05-01)
      Article
      Restricted access - publisher's policy
      In this paper, a new model-based technique for the compensation of severe height-dependent atmospheric artifacts, using ground-based synthetic aperture radar (SAR) data over mountainous regions, is proposed. The method ...
    • Back and forward bistatic interferometry 

      Duque Biarge, Sergio; López Dekker, Francisco J.; Mallorquí Franquet, Jordi Joan; Merlano Duncan, Juan Carlos (2008)
      Conference report
      Open Access
      This paper characterizes the interferometric phase for a fixedreceiver bistatic SAR system. Also, the expressions for the interferometric phase and image resolution cell are summarized. It will be distinguished between ...
    • Back Focal Plane Interferometry for Holographic Optical Traps 

      Martínez Llinàs, Jade (Universitat Politècnica de Catalunya, 2011-03-10)
      Master thesis
      Open Access
      English: Since its invention in 1986, optical trapping as a tool to manipulate microparticles non-invasively has found many applications in physics and biology. Force measurement on biomaterials is a potential application ...
    • Baseline redundancy and radiometric sensitivity: a critical review 

      Bará Temes, Francisco Javier; Camps Carmona, Adriano José; Torres Torres, Francisco; Corbella Sanahuja, Ignasi (European Spatial Agengy (ESA), 1995)
      Conference report
      Open Access
      When computing the radiometric resolution of an interferometric radiometer the correlation among the errors of different baselines is usually assumed negligible. ln this way: a) the radiometric sensitivity turns out to be ...
    • Benefits of applying nodal sampling to SMOS data over semi-enclosed seas and strongly RFI-contaminated regions 

      González Gambau, Verónica; Olmedo, Estrella; Martinez, J.; Turiel, Antonio; Corbella Sanahuja, Ignasi; Oliva, Roger; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Radio Frequency Interferences (RFI) are still an important source of contamination in SMOS data. The application of nodal sampling (NS) to brightness temperature images helps to mitigate the degradation that RFIs produce ...
    • Calibration procedures in 2-D large interferometric radiometers study applied to the MIRAS/SMOS instrument 

      Torres Torres, Francisco; Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Vall-Llossera Ferran, Mercedes Magdalena; Duffo Ubeda, Núria (2000)
      Conference report
      Open Access
    • Calibration techniques of interferometric microwave receivers 

      Ortega Corral, Antonio (Universitat Politècnica de Catalunya, 2017-10-18)
      Bachelor thesis
      Restricted access - author's decision
      An interferometer for orbital determination receives a satellite signal at different spatial points using antennas that form a baseline. Those received signals have a different phase which is related to the distance between ...
    • Characterization of a precise orbit determination interferometer 

      Traver Tarrés, Ignasi (Universitat Politècnica de Catalunya, 2018-02-06)
      Bachelor thesis
      Open Access
      This project addresses the characterization of an interferometer used for satellite orbit determination. It is included in the context of the assemblage of a Geostationary Synthetic Aperture Radar (GeoSAR) for Earth and ...
    • Coherence estimation in synthetic aperture radar data based on speckle noise modeling 

      López Martínez, Carlos; Pottier, Eric (Optical Society of America, 2007-02-28)
      Article
      Open Access
      In the past we proposed a multidimensional speckle noise model to which we now include systematic phase variation effects. This extension makes it possible to define what is believed to be a novel coherence model able to ...
    • Comparative analyses of multi-frequency PSI ground deformation measurements 

      Sabater Cifuentes, José Raúl (Universitat Politècnica de Catalunya, 2012-03-29)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      [ANGLÈS] In recent years many new developments have been made in the field of SAR image analysis. The diversity of available SAR imagery allows a wider range of applications to be covered in the domain of risk management ...
    • Comparison between differential SAR interferometry and ground measurements data in the displacement monitoring of the earth-dam of Conza della Campania (Italy) 

      Di Martire, Diego; Iglesias González, Rubén; Monells Miralles, Daniel; Centolanza, Giuseppe; Sica, Stefania; Ramondini, Massimo; Pagano, Luca; Mallorquí Franquet, Jordi Joan; Calcaterra, Domenico (2014-05-25)
      Article
      Restricted access - publisher's policy
      This paper presents the application of Differential Synthetic Aperture Radar (SAR) interferometry (DInSAR) algorithms for the precise monitoring of earth dams ground deformation. The test site selected for this study is ...
    • Comparison of GNSS-R processing techniques for spaceborne ocean altimetry 

      Martín Alemany, Francisco; d'Addio, Salvatore; Camps Carmona, Adriano José; Martín Neira, Manuel; Hyuk, Park; Pascual Biosca, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      Earth-reflected Global Navigation Satellite System (GNSS) have become an attractive tool to be employed in low-Earth-orbit spaceborne missions, for applications such as ocean mesoscale altimetry and scatterometry. For such ...