• A new approach to DInSAR pixel selection with spectral correlation along time between Sublooks 

    Iglesias González, Rubén; Monells Miralles, Daniel; Centolanza, Giuseppe; Mallorquí Franquet, Jordi Joan (2012)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presents a full resolution pixel selection method, alternative to the traditional ones, which is based on the study of the spectral correlation coefficient along time among different Sublooks of the image ...
  • A Novel Algorithm for Ship Detection in SAR Imagery Based on the Wavelet Transform 

    Tello Alonso, Mª Victoria; López Martínez, Carlos; Mallorquí Franquet, Jordi Joan (IEEE, 2005-04-30)
    Artículo
    Acceso abierto
    Carrying out an effective control of fishing activities is essential to guarantee a sustainable exploitation of sea resources. Nevertheless, as the regulated areas are extended, they are difficult and time consuming to ...
  • A novel linear feature detector for SAR images 

    He, Chu; Liao, Z.X.; Yang, Fang; Deng, Xinping; Liao, M.S. (2012-11-12)
    Artículo
    Acceso abierto
    A new linear feature detector for synthetic aperture radar (SAR) images is presented in this article by embedding a three-region filter into the wedgelet analysis framework. One of its main features is that it can detect ...
  • A novel strategy for radar imaging based on compressive sensing 

    Tello Alonso, Mª Victoria; López Dekker, Francisco J.; Mallorquí Franquet, Jordi Joan (2008)
    Texto en actas de congreso
    Acceso abierto
    This paper aims at introducing the recent theory of compressive sensing to radar imaging systems in order to retrieve the imaged scene with better resolution and a reduced amount of collected samples. As a result of ...
  • Antenna Modeller for Synthetic Aperture Radar Applications. Electromagnetic and Radiometric Considerations 

    Calafell Rueda, Irene (Universitat Politècnica de Catalunya, 2011-02-17)
    Projecte Final de Màster Oficial
    Acceso abierto
    The objective of the present Master Thesis is designing an optimizer of the excitation coefficients of a phased array antenna.
  • Una aplicacio GeoWeb: Morella 

    Bellvís Milián, Marc (Universitat Politècnica de Catalunya, 2009-09-01)
    Trabajo final de grado
    Acceso abierto
  • Aplicación del análisis fractal al estudio de las estructuras dinámicas de fluidos medioambientales 

    Platónov, Alexéi Konstantínovich; Grau Barceló, Joan; Redondo Apraiz, José Manuel (Fundación para el Fomento de la Ingeniería del Agua, 2008-09)
    Artículo
    Acceso abierto
    La 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 ...
  • Aplicación de los generadores de forma de onda arbitraria en la simulación de señales radar 

    Broquetas Ibars, Antoni; Aguasca Solé, Alberto; Elias Fusté, Antonio (1992)
    Texto en actas de congreso
    Acceso abierto
  • Aplicación de sistemas PLL en la recuperación del sincronismo de portadora para un radar Biestatico coherente 

    Aguasca Solé, Alberto (1991)
    Texto en actas de congreso
    Acceso abierto
    A bistatic radar, which allows to process the target velocity information, must synchronize the phase and the frequency of the transmitted carrier to demodulate coherently the radar echoes. The paper presents a PLL system ...
  • A polarimetric ultra-wide band field scatterometer 

    Broquetas Ibars, Antoni; Fabregas Canovas, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 1995)
    Texto en actas de congreso
    Acceso abierto
    “TERESA” (Terrestrial Radar Equipment for Scattering Analysis) is a ground-based, fully polarimetric scatterometer operative in the S, C, X, and Ku bands. It has been designed to obtain the complete backscattering matrix ...
  • Approach to velocity and acceleration measurement in the Bi-Directional SAR imaging mode 

    Mittermayer, Josef; Prats, Pau; Wollstadt, Steffen; Baumgartner, Stefan; López Dekker, Francisco J.; Broquetas Ibars, Antoni; Makhoul Varona, Eduardo; Krieger, Gerhard; Moreira, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This paper presents an initial analysis of the possibilities for velocity and acceleration m easurement with the Bi- Directional SAR imaging mode (BiDi). It comprises single satellite single path acquisitions as well ...
  • A pulsed carrier recovery using a discrete conception of the PLL 

    Aguasca Solé, Alberto; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 1992)
    Texto en actas de congreso
    Acceso abierto
    A bistatic radar system requires accurate synchronization between the transmitter and the remote receiver in order to achieve a correct coherent target detection and positioning. An unlinked receiver carrier phase/frequency ...
  • Arbitrary wave synthesis using spectral transformations 

    Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Texto en actas de congreso
    Acceso abierto
    The different transformations among plane, cylindrical and spherical spectrum allow to tackle the arbitrary field synthesis from a set of known sources. Putting all the spectrums in the same coordinate axis we can obtain ...
  • Array antena SIW 24 GHz para radar de automóviles 

    Rosselló Fabregat, Joaquim (Universitat Politècnica de Catalunya, 2015-05-21)
    Trabajo final de grado
    Acceso restringido por decisión del autor
    In this project a flat antenna array on Substrate Integrated Waveguide technology (SIW) has been designed, simulated and built to be used in automotive radar at 24 GHz. The software used in the simulation, configuration ...
  • Ascending-descending orbit combination SAR interferometry assessment 

    Carrasco, D; Díaz, J; Broquetas Ibars, Antoni; Arbiol, Roman; CASTILLO, M; Palà, V (ESA Publications Division, 1997)
    Texto en actas de congreso
    Acceso abierto
    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 ...
  • A Small Baseline DIFSAR Approach for Investigating Deformations on Full Resolution SAR Interferograms 

    Lanari, Ricardo; Mora Sacristan, Óscar; Manunta, Michele; Mallorquí Franquet, Jordi Joan; Berardino, P.; Sansoti, Eugenio (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-07-31)
    Artículo
    Acceso abierto
    This 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 ...
  • Assesment of atmospheric phase screen impact on Geosynchronous SAR 

    Recchia, Andrea; Monti Guarnieri, Andrea; Broquetas Ibars, Antoni; Ruiz Rodon, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The paper evaluates the effects of Atmospheric Phase Screen on focused Geosynchronous SAR data. We derive theoretical models for the resolution, the interferometric de-correlation and the induced clutter in presence of an ...
  • Assessment of L-Band SAR polarimetry for soil and crop monitoring 

    Barber, Matías; López Martínez, Carlos; Grings, Francisco (VDE-Verlag, 2016)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    Near-future L-band fully polarimetric Synthetic Aperture Radar (SAR) missions will provide meaningful and timely information over agricultural lands. In this paper, we evaluate the potential of L-band SAR polarimetry for ...
  • A suboptimum rank test for radar detection 

    Sanz González, José Luis; Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo (Universitat Politècnica de Catalunya (UPC), 1983)
    Texto en actas de congreso
    Acceso abierto
    In this communication, a new nonparametric rank scheme is in traduced for Radar application and its performance briefly analyzed. The proposed scheme has a suboptimum character, since it is introduce as a simplification ...
  • Atmospheric phase screen retrieval from GEOSAR long term acquisition 

    Ruiz Rodon, Josep; Broquetas Ibars, Antoni; Monti Guarnieri, Andrea; Rocca, Fabio (2012)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In this paper, a GEOSAR mission with typical LEOSAR parameters but longer integration time to increase the received power is presented. Such systems can provide images of large areas with continuous monitoring. The revisit ...