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    • Navigation systems requirements for airborne interferometric SAR platforms 

      Bara, M; Monné, J; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 1999)
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      It is well known that by means of airborne interferometric SAR systems it is possible to generate high precision digital elevation models (DEM), although these platforms are seriously affected by motion instabilities. These ...

    • Nearly zero inclination geosynchronous SAR mission analysis with long integration time for earth observation 

      Ruiz Rodon, Josep; Broquetas Ibars, Antoni; Makhoul Varona, Eduardo; Monti Guarnieri, Andrea; Rocca, Fabio (Institute of Electrical and Electronics Engineers (IEEE), 2014-10-01)
      Article
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      In this paper, the performance of a nearly zero inclination and low eccentricity geosynchronous synthetic aperture radar (GEOSAR) mission for midlatitude (30 degrees-60 degrees) Earth observation is analyzed. The slow ...

    • New graphical processing technique for fast shadowing computation in PO surface integral 

      Rius Casals, Juan Manuel; Carbó Meseguer, Alexis; Bjerkemo, Jakob; Úbeda Farré, Eduard; Heldring, Alexander; Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni (2014-05-01)
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      This paper presents a new graphical processing technique for fast computation of PO surface integral. In contrast with the original graphical processing approach introduced by the authors in 1993, the new one combines a ...

    • Non-invasive active thermometry with a microwave tomographic scanner in hyperthermia treatments in hyperthermia treatments 

      Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni; Jofre Roca, Lluís; Cardama Aznar, Ángel (1992-10)
      Article
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      In this work the active microwave tomographic imaging of tissue temperature changes induced in deep hyperthermia treatments is studied. The thermal images would allow to monitor and optimize the treatment, increasing its ...

    • Non-parametric serial decision fusion 

      Elias Fusté, Antoni; Broquetas Ibars, Antoni; Castro Fouz, R. (1990)
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    • Observacio de la terra amb sensors passius de microones 

      Broquetas Ibars, Antoni (Societat Catalana de Física, 1993-09-01)
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    • Observació de la terra amb sensors pasius de microones 

      Broquetas Ibars, Antoni (1994)
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    • Obtención de datos e imágenes ers-1 mediante simulación. Aplicaciones a interferometría 

      Carrasco, D.; Rosich, B.; Alonso, J.; Broquetas Ibars, Antoni (1995-06)
      Article
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      La simulación de imágenes SAR nos permite comprender algunas características de los sistemas SAR y comprobar la calidad de los algoritmos de procesado de imágenes SAR. En este artículo se presenta un simulador de señales ...

    • Obtención de imágenes de la superficie terrestre y marina mediante radiometría de microondas 

      Broquetas Ibars, Antoni; Jofre Roca, Lluís (1991)
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    • Obtención de imágenes ISAR de blancos móviles 

      Puente Baliarda, Carles; Broquetas Ibars, Antoni; Jofre Roca, Lluís (1992)
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      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 modelos digitales del terreno y detección de pequeños movimientos de la superficie terrestre mediante interferometría radar desde satélite 

      Broquetas Ibars, Antoni (1997)
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      La interferometría SAR es una técnica que mediante la combinación coherente de imágenes radar de alta resolución de la superficie terrestre permite obtener patrones de interferencia de fase, los interferogramas, directamente ...

    • Obtención y medida de dieléctricos para la construcción de maquetas biológicas en microondas 

      Broquetas Ibars, Antoni; Elias Fusté, Antoni; Cardama Aznar, Ángel (Universidad Politécnica de Madrid (UPM), 1988)
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      Studies about microwave imaging systems require complex models of biological materials to test the performance of prototypes in realistic situations. Tissue phantom materials have been studied and measured in order to ...

    • Optical cross-correlation of millimeter wave signals applied to interferometric radiometry 

      Nova, Enrique; Romeu Robert, Jordi; Torres Torres, Francisco; Broquetas Ibars, Antoni; Jofre Roca, Lluís (IEEE, 2011)
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      This paper presents a method to perform in the opti- cal domain the correlations required when processing millimeter wave interferometric radiometer signals. The main problem when addressing the design of an interferometric ...

    • Orbit determination for hydroterra mission. An interferometric approach 

      Broquetas Ibars, Antoni; Nicolás Álvarez, Jorge; Carreño Megias, Xavier; Fusté i Lara, Oriol; Aguasca Solé, Alberto (European Space Agency (ESA), 2019)
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    • PARSAR: A SAR processor implemented in a cluster of workstations 

      Martínez, A; Fraile, F; Mallorquí Franquet, Jordi Joan; Nogueira, L; Gabaldà, J; Broquetas Ibars, Antoni; González Colás, Antonio María (ESA Publications Division, 1997)
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      A parallel SAR processor is presented in this paper. The target configuration is a cluster of UNIX workstations, available in most user sites. This fact allows to obtain an increased computing performance without the need ...

    • PARSAR: Parallelisation of a chirp scaling algorithm SAR processor 

      Martínez, A; Fraile, F; Mallorquí Franquet, Jordi Joan; Nogueira, J; Gavalda, J; Broquetas Ibars, Antoni; González Colás, Antonio María (Ch. Lengauer, M. Grielb, S. Gorlatch. BERLIN, NEW YORK, Springer-Verlag Cop.1997, 1997)
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      A parallel SAR processor is presented in this paper. The target configuration is a cluster of UNIX workstations, available in most user sites. This fact allows to obtain an increased computing performance without the need ...

    • Parsar: parallelisation of a chirp scaling algorithm sar processor 

      Martínez, Antonio; Fraile, Francisco; Mallorquí Franquet, Jordi Joan; Nogueira, Leonardo; Gabaldá, Jordi; Broquetas Ibars, Antoni; González Colás, Antonio María (1997-08)
      Article
      Accés restringit per política de l'editorial
      A parallel SAR processor is presented in this paper. The target configuration is a cluster of UNIX workstations, available in most user sites. This fact allows to obtain an increased computing performance without the need ...

    • Phase ambiguity resolution for orbit determination interferometry 

      Fernández Usón, Marc; Martin Fuster, Roger; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      This paper proposes a method to solve the absolute phase ambiguity introduced by an orbit determination interferometer system, suitable for GeoSAR missions. This method will be complemented with simulated results in order ...

    • Planar and cylindrical active microwave temperature imaging... 

      Rius Casals, Juan Manuel; Jofre Roca, Lluís; Broquetas Ibars, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1992-12-02)
      Article
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      A comparative study at 2.45 GHz concerning both measurement and reconstruction parameters for planar and cylindrical configurations is presented. For the sake of comparison, a numerical model consisting of two nonconcentric ...

    • Planar and cylindrical active microwave temperature imaging: numerical simulations 

      Rius Casals, Juan Manuel; Pichot du Mezeray, Christian Yves Dominique; Jofre Roca, Lluís; Bolomey, Jean Charles; Joachimowicz, N; Broquetas Ibars, Antoni; Ferrando Bataller, Miquel (1992-12)
      Article
      Accés obert
      A comparative study at 2.45 GHz concerning both measurement and reconstruction parameters for planar and cylindrical configurations is presented. For the sake of comparison, a numerical model consisting of two nonconcentric ...