Now showing items 21-40 of 157

  • A performance evaluation of SAR-GMTI missions for maritime applications 

    Makhoul Varona, Eduardo; Broquetas Ibars, Antoni; Ruiz Rodon, Josep; Zhan, Yu; Ceba Vega, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2015-05-01)
    Article
    Open Access
    This paper proposes a new optimized multichannel synthetic aperture radar (SAR) configuration, based on receiving antennas with nonuniformly displaced phase centers, intended for ground moving target indication (GMTI) ...
  • Application of high resolution spotlight TerraSAR-X data to landslide monitoring 

    Iglesias González, Rubén; Monells Miralles, Daniel; Centolanza, Giuseppe; Mallorquí Franquet, Jordi Joan; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; López Martínez, Carlos (2012)
    Conference report
    Restricted access - publisher's policy
    This paper seeks to demonstrate that radar-based remote sensing techniques, especially those based on orbital sensors, can be as effective as the conventional geotechnical and discrete GPS measurement ones for the detection ...
  • Application of TerraSAR-X data to the monitoring of urban subsidence in the city of Murcia 

    Mulas, Joaquín; Navarro Sánchez, Victor D.; Vicente, Fernando; Monells Miralles, Daniel; Centolanza, Giuseppe; Mallorquí Franquet, Jordi Joan; Duque Biarge, Sergio; López Dekker, Francisco J.; Tomás, Roberto; Herrera, Gerardo; López-Sánchez, Juan Manuel (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference report
    Open Access
    This paper presents an analysis of the performance of TerraSAR-X for subsidence monitoring in urban areas. The city of Murcia has been selected as a test-site due to its high deformation rate and the set of extensometers ...
  • 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 ...
  • Automatic refocus and feature extraction of single-look complex SAR signatures of vessels 

    Yam Ontiveros, Luis Eduardo; Mallorquí Franquet, Jordi Joan (2016)
    Article
    Open Access
    In recent years, spaceborne synthetic aperture radar ( SAR) technology has been considered as a complement to cooperative vessel surveillance systems thanks to its imaging capabilities. In this paper, a processing chain ...
  • Binary partition tree as a polarimetric SAR data representation in the space-time domain 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE, 2011)
    Conference lecture
    Restricted access - publisher's policy
    The aim of this paper is to present a Polarimetric Synthetic Aperture Radar data processing technique on the space-time domain. This approach is based on a Binary Partition Tree (BPT), which is a region-based and multi-scale ...
  • Bistatic geosynchronous SAR for land and atmosphere continuous observation 

    Ruiz Rodon, Josep; Broquetas Ibars, Antoni; Monti Guarnieri, Andrea; Recchia, Andrea (VDE Conference Publications, 2014)
    Conference lecture
    Restricted access - publisher's policy
    In this paper the bistatic SAR observation from low-eccentric nearly zero inclined geosynchronous orbits (GEOSAR) is studied. Two operation frequencies have been analysed with different compromises between spatial resolution ...
  • Bistatic SAR data acquisition and processing using SABRINA-X, with TerraSAR-X as the opportunity transmitter 

    Siddique, Muhammad Adnan (Universitat Politècnica de Catalunya, 2010-07)
    Master thesis
    Open Access
    This thesis investigates the acquisition and processing of Bistatic SAR data using SABRINA-X, and with TerraSAR-X as the transmitter of opportunity. SABRINA-X is an X-band receiver system that has been recently designed ...
  • Bistatic SAR tomography: processing and experimental results 

    Duque Biarge, Sergio; López Dekker, Francisco J.; Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference report
    Open Access
    This paper presents across-track tomography applied to a bistatic geometry with fixed receivers. This kind of geometry can overcome some of the classical monostatic tomography limitations such as temporal decorrelation and ...
  • Bistatic synthetitc aperture radar imaging based on Geostationatry transmitters and Ground-Based receivers 

    Pinar Riasol, Ricard (Universitat Politècnica de Catalunya, 2017-03)
    Master thesis
    Open Access
    This thesis belongs to the remote sensing field, particularly on the Geostationary Synthetic Aperture Radar (SAR) imaging systems with on-ground receiver. These systems forms images taking the signals along the orbital ...
  • Breakwater settlement monitoring with InSAR data 

    Pros, Francesc; González López, Silvia; Martínez Benjamín, Juan José; Palau Teixidó, Vicenç; Duro, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    This paper presents a use case of the Persistent Scatterer Interferometry (PSI) technique apply to Civil Engineering to monitor the dikes settlement on the Port of Barcelona. A geostatistical analysis of the two available ...
  • 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 ...
  • Caracterització dels moviments del terreny a la zona de Cardona 

    Fabian Arderiu, Jordi (Universitat Politècnica de Catalunya, 2016-06-22)
    Master thesis (pre-Bologna period)
    Open Access
  • Caracterització i extensió a plataformes aèries no tripulades d'un processador SAR basat en la tècnica Backprojection 

    Guarch Calvó, Arnau (Universitat Politècnica de Catalunya, 2016-07-08)
    Master thesis (pre-Bologna period)
    Open Access
    The aim of this project is the characterization of a SAR processor for the GB-SAR UPC technique based on backprojection. It has also been decided to make a first evaluation of the feasibility of usethe GB-SAR system in ...
  • 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 ...
  • Circular synthetic aperture radar (C-SAR) system for ground based applications 

    Broquetas Ibars, Antoni; Porrata-Dòria i Yagüe, Ramir de; Sagués Piella, Lluís; Fabregas Canovas, Francisco Javier; Jofre Roca, Lluís (IEE-INST ELEC ENG, 1997-05-01)
    Article
    Open Access
    The authors present an SAR system capable of obtaining radar images from measurements carried out with antennas that describe a circular trajectory centred outside the target region. The analytical formulation of the ...
  • Cloud-based InSAR delivery architecture and mobile application 

    Casanova Yñiguez, Guillem (Universitat Politècnica de Catalunya, 2017-04)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Coastal bathymetry estimation using an ensemble of synthetic aperture radar images from Sentinel-1 

    Lamas, L.; Pinto, J.P.; Vilar, P.; Moura, A. (SARTI, 2018)
    Article
    Open Access
    In this study, coastal bathymetry is estimated with a wave ray-tracing algorithm using wave parameters retrieved from Synthetic Aperture Radar (SAR) images acquired by the Sentinel-1 satellites. The method relies on the ...