• Ku Band GB-SAR system integration and validation 

    Palomas Riera, Clàudia (Universitat Politècnica de Catalunya, 2015-07-21)
    Trabajo final de grado
    Acceso abierto
    This paper contains full detailed the process of calibration of the radar system with its measurements
  • Laboratory characterization of a GPR antenna for high-resolution testing: radiation pattern and vertical resolution 

    Pérez Gracia, María de la Vega; Capua, Daniel di; González Drigo, José Ramón; Pujades Beneit, Lluís (2009-06)
    Artículo
    Acceso restringido por política de la editorial
    High-resolution ground-penetrating radar (GPR) evaluations of structures are usually carried out using antennas with high nominal centre frequencies (between 1 and 2GHz). A comprehensive characterization of such an antenna ...
  • Laboratory experiments of polarimetric radar interferometry: DEM generation and vegetation height estimation 

    Fortuny Guasch, Joaquim; Fabregas Canovas, Francisco Javier; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Texto en actas de congreso
    Acceso abierto
    A coherence optimization method, which makes use of polarimetry to enhance the quality of the interferograms, has been experimentally tested under laboratory conditions in an anechoic chamber. The experiments have proved ...
  • Landslide monitoring with spotlight TerraSAR-X DATA 

    Iglesias González, Rubén; Monells Miralles, Daniel; Centolanza, Giuseppe (IEEE, 2012)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper aims to demonstrate that radar-based remote sensing techniques can be as effective as the conventional geotechnical ones for the detection and monitoring of well suited areas. Many of the high mountain ...
  • Linear and nonlinear terrain deformation maps from a reduced set of interferometric SAR images 

    Mora Sacristan, Óscar; Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-10-31)
    Artículo
    Acceso abierto
    In this paper, an advanced technique for the generation of deformation maps using synthetic aperture radar (SAR) data is presented. The algorithm estimates the linear and nonlinear components of the displacement, the error ...
  • LTCC-based dielectric flat lens performance evaluation at 94 GHz 

    Imbert Villà, Marc; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís; Baquero Escudero, M. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The design and performance evaluation of an inhomogeneous LTCC-based dielectric flat lens at 94 GHz is presented. A previously introduced dielectric flat lens design with its effective permittivity (r) circularly distributed ...
  • Medida de sección recta radar con onda esférica en campo próximo 

    Broquetas Ibars, Antoni; Jofre Roca, Lluís; Cardama Aznar, Ángel (1992)
    Texto en actas de congreso
    Acceso abierto
    The paper presents a new Inverse Synthetic Aperture Radar (ISAR) algorithm intended for Radar Cross Section (RCS) measurement from scattering fields. The method is based on a spherical wave near-field illumination of the ...
  • Micrometric deformation imaging at W-Band with GBSAR 

    Martínez, Arturo; Aguasca Solé, Alberto; Lort Cuenca, Marc; Broquetas Ibars, Antoni (2017-02-17)
    Artículo
    Acceso abierto
    The paper presents the experimental evaluation of 94 GHz CW-FM Radar that can be configured as a Ground Based SAR (Synthetic Aperture Radar) for high resolution imaging and deformation control. This system has been designed ...
  • Modeling fast boat motion impact on satellite SAR MTI systems 

    Ceba Vega, Francisco; Makhoul Varona, Eduardo; Broquetas Ibars, Antoni; Zhan, Yu; Beaton, Alasdhair (2015-10-01)
    Artículo
    Acceso abierto
    This letter analyzes the problems of imaging small and fast boats with synthetic aperture radar (SAR), which may experience severe defocusing and/or smearing. This situation is encountered, inter alia, in ocean traffic ...
  • Multiscale soil moisture retrievals from microwave remote sensing observations 

    Piles Guillem, Maria (Universitat Politècnica de Catalunya, 2010-07-16)
    Tesis
    Acceso abierto
    La humedad del suelo es la variable que regula los intercambios de agua, energía, y carbono entre la tierra y la atmósfera. Mediciones precisas de humedad son necesarias para una gestión sostenible de los recursos hídricos, ...
  • New microwave-based missions applications for rainfed crops characterization 

    Sánchez, Nilda; López Sánchez, Juan Manuel; Arias Pérez, B.; Valcarce Diñeiro, R.; Martinez Fernandez, Jose; Calvo Heras, J. M.; Camps Carmona, Adriano José; González Zamora, Ángel; Vicente Guijalba, F. (International Society for Photogrammetry and Remote Sensing (ISPRS), 2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    A multi-temporal/multi-sensor field experiment was conducted within the Soil Moisture Measurement Stations Network of the University of Salamanca (REMEDHUS) in Spain, in order to retrieve useful information from satellite ...
  • Non-parametric serial decision fusion 

    Elias Fusté, Antonio; Broquetas Ibars, Antoni; Castro Fouz, R. (1990)
    Texto en actas de congreso
    Acceso abierto
  • Obtención de imágenes ISAR de blancos móviles 

    Puente Baliarda, Carles; Broquetas Ibars, Antoni; Jofre Roca, Lluís (1992)
    Texto en actas de congreso
    Acceso abierto
    A new method for motion compensation has been developed for radar imaging of moving targets (ISAR). Phase shifts (due to target motion) among adjacent pulses from a STEPPED FREQUENCY signal, are removed with a parabolic ...
  • Obtención de mapas de detección en escenarios marítimos mediante simulación paramétrica en sistemas SAR-MTI 

    Bertomeu Rojas, Xavier (Universitat Politècnica de Catalunya, 2014-04-28)
    Proyecto/Trabajo final de carrera
    60 months embargo
    [ANGLÈS] This project is a small part of a larger project called SIMTISYS. The purpose of SIMTISYS is to simulate the behavior of a synthetic aperture radar with moving target indication (MTI) capabilities in maritime ...
  • On-board phase and modulus calibration of large aperture synthesis radiometers: study applied to miras. 

    Torres Torres, Francisco; Camps Carmona, Adriano José; Bará Temes, Francisco Javier; Corbella Sanahuja, Ignasi; Ferrero Pintor, Roberto (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1996-07-01)
    Artículo
    Acceso abierto
    On-board calibration of bidimensional aperture synthesis radiometers with a large number of antennas by the standard correlated noise injection method is technologically very critical because of the stringent requirements ...
  • On the amount of information content in microwave radiometry for wet delay correction 

    Gual de Torrellas, José María; Camps Carmona, Adriano José (Aalto University, 2016)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The scope of this work is the determination of the set of optimum frequencies to be used in the companion microwave radiometers in future synthetic aperture radar altimeters, to provide higher spatial resolution of the ...
  • On the use of the l(2)-norm for texture analysis of polarimetric SAR data 

    Deng, xinping; López Martínez, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2016-11-01)
    Artículo
    Acceso abierto
    In this paper, the use of the l2-norm, or Span, of the scattering vectors is suggested for texture analysis of polarimetric synthetic aperture radar (SAR) data, with the benefits that we need neither an analysis of the ...
  • Optical Doppler shift with structured light 

    Belmonte Molina, Aniceto; Pérez Torres, Juan (2011-11-15)
    Artículo
    Acceso abierto
    When a light beam with a transverse spatially varying phase is considered for optical remote sensing, in addition to the usual longitudinal Doppler frequency shift of the returned signal induced by the motion of the scatter ...
  • Optimización de detectores no paramétricos aplicados a radar 

    Mariño Acebal, José Bernardo; Figueiras Vidal, Aníbal R.; Sanz González, José Luis (1983)
    Texto en actas de congreso
    Acceso abierto
    En esta comunicación se introduce un nuevo esquema de detector no paramétrico para aplicación Radar y se discuten brevemente sus prestaciones. En el 1er apartado se justifica la aparición de los detectores no paramétricos ...
  • Optimización de un Centro de Fusión CFAR para Sistemas Distribuidos RADAR 

    Ortega Villasclaras, Pablo Rafael; Elias Fusté, Antonio (1991)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Distributed detection theory is widely used in surveillance systems that recquire a large area of coverage and a large number of targets under consideration. In this paper an optimization algorithm for distributed systems ...