Ara es mostren els items 21-40 de 132

    • 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)
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      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)
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      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 ...
    • Application of the conjugate gradient method to a self-matching network for industrial microwave heating antennas 

      Mallorquí Franquet, Jordi Joan; Aguasca Solé, Alberto; Cardama Aznar, Ángel; Pages, R; Haro, J M (Institute of Electrical and Electronics Engineers (IEEE), 1999)
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      One of the main problems regarding the efficiency in a heating industrial system using high power microwaves is related with the uncontrolled changes on the load. These changes can be caused both by the different kinds of ...
    • ARBRES: Light-weight CW/FM SAR sensors for small UAVs 

      Aguasca Solé, Alberto; Acevo Herrera, René; Broquetas Ibars, Antoni; Mallorquí Franquet, Jordi Joan; Fabregas Canovas, Francisco Javier (2013-03-06)
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      This paper describes a pair of compact CW/FM airborne SAR systems for small UAV-based operation (wingspan of 3.5 m) for low-cost testing of innovative SAR concepts. Two different SAR instruments, using the C and X bands, ...
    • Assessing hypertemporal SENTINEL-1 COHERENCE maps for LAND COVER monitoring 

      Vicente Guijalba, F.; Duro, Javier; Notarnicola, Claudia; Jacob, Alexander; Mallorquí Franquet, Jordi Joan; López Martínez, Carlos; Pottier, Eric; López Sánchez, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      This paper presents the main concepts and the initial analysis of the ESA SEOM project SInCohMap “EXPLOITATION OF SENTINEL-1 INTERFEROMETRIC COHERENCE FOR LAND COVER AND VEGETATION MAPPING”. The project evaluates the ...
    • Assessment of polarimetric SAR interferometry for improving ship classification based on simulated data 

      Margarit Martín, Gerard; Mallorquí Franquet, Jordi Joan (MDPI Molecular Diversity Preservation International, 2008-12)
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      This paper uses a complete and realistic SAR simulation processing chain, GRECOSAR, to study the potentialities of Polarimetric SAR Interferometry (POLInSAR) in the development of new classification methods for ships. ...
    • Assessment of the contribution of polarimetric persistent scatterer interferometry on Sentinel-1 data 

      Luo, Jiayin; López Sánchez, Juan Manuel; De Zan, Francesco; Mallorquí Franquet, Jordi Joan; Tomás Jover, Roberto (Institute of Electrical and Electronics Engineers (IEEE), 2022-09-14)
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      Time series of Sentinel-1 data are widely used for monitoring displacements of the Earth surface using persistent scatterer interferometry. By default over land, Sentinel-1 images include two polarimetric channels: 1) VV ...
    • Assessment of the impact of long integration time in Geosynchronous SAR imagery of agricultural fields by means of GB-SAR data 

      Aguasca Solé, Alberto; Broquetas Ibars, Antoni; López Sánchez, Juan Manuel; Fabregas Canovas, Francisco Javier; Mallorquí Franquet, Jordi Joan; Mas i Méndez, Mireia (Institute of Electrical and Electronics Engineers (IEEE), 2024)
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      Geosynchronous synthetic aperture radar (GeoSAR) missions offer the advantage of near-continuous monitoring of specific regions on Earth, making them essential for applications that require continuous information. However, ...
    • Atmospheric artifacts compensation for InSAR by using global and local numerical weather prediction models 

      Hu, Zhongbo; Mallorquí Franquet, Jordi Joan (VDE-Verlag, 2021)
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      Atmospheric artifacts, due to spatial and temporal variations of atmosphere state, often pose a noise signal to interferograms and further affect the application of InSAR techniques. State-of-the-art research works have ...
    • Atmospheric artifacts correction with a covariance-weighted linear model over mountainous regions 

      Hu, Zhongbo; Mallorquí Franquet, Jordi Joan; Fan, Hongdong (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-01)
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      Mitigating the atmospheric phase delay is one of the largest challenges faced by the differential synthetic aperture radar (SAR) interferometry community. Recently, many publications have studied correcting the stratified ...
    • 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)
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      Accés restringit per política de l'editorial
      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)
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      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 ...
    • Automatic self-matching network for industrial microwave heating based on the conjugate gradient algorithm 

      Mallorquí Franquet, Jordi Joan; Aguasca Solé, Alberto; Cardama Aznar, Ángel; Pagès Serra, Romà; Haro Sánchez, Jose (IEE-INST ELEC ENG, 1999-02-28)
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      Accés obert
      An automatic matching network has been implemented using a waveguide magic T with two sliding short circuit stubs whch are adjusted by a microcontroller running a conjugate gradient algorithm. The inclusion of this device ...
    • Automatic ship detection in SAR satellite images: performance assessment 

      Stasolla, Mattia; Santamaría, Carlos; Mallorquí Franquet, Jordi Joan; Margarit Martín, Gerard; Walker, Nick (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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      This paper presents the benchmarking of four ship detection systems based on satellite borne Synthetic Aperture Radar data. This research, carried out within the framework of the FP7 NEREIDS project, provides a detailed ...
    • Automatic vessel monitoring with single and multidimensional SAR images in the wavelet domain 

      Tello Alonso, Mª Victoria; López Martínez, Carlos; Mallorquí Franquet, Jordi Joan (ELSEVIER SCIENCE BV, 2006-12-31)
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      Spaceborne Synthetic Aperture Radar (SAR) techniques constitute an extremely promising alternative compared to traditional surveillance methods thanks to the all-weather and day-and-night capabilities of Radar linked with ...
    • Back and forward bistatic interferometry 

      Duque Biarge, Sergio; López Dekker, Francisco J.; Mallorquí Franquet, Jordi Joan; Merlano Duncan, Juan Carlos (2008)
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      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 ...
    • Bidimensional scattering of tm and te polarized waves by dielectric 

      Mallorquí Franquet, Jordi Joan; Vaquer Bonnin, Miguel; Cardama Aznar, Ángel; Jofre Roca, Lluís (EUROPEAN MICROWAVE CONFERENCE MANAGEMENT COMMITEE REED EXHIBITION COMPANIES, 1993)
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      In the study of electromagnetic radiation effects over dielectric bodies, effective numerical methods are needed. At present, there is a lack of tools for measuring this effects and due to the huge growth of microwave ...
    • Bistatic SAR along track interferometry with multiple fixed receivers 

      Duque Biarge, Sergio; López Dekker, Francisco J.; Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
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      This paper presents an along-track interferometry (ATI)study for a bistatic or multiestatic SAR configuration with fixed ground receivers. This technique can be useful for sea current estimation or for any problem of Ground ...
    • 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)
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      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 ...
    • Capon- and APES-based SAR processing: performance and practical considerations 

      López Dekker, Francisco J.; Mallorquí Franquet, Jordi Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-05)
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      This paper discusses the use of Capon’s minimumvariance method (MVM) and Amplitude and Phase EStimation (APES) spectral-estimation algorithms to synthetic aperture radar range–azimuth focusing. The rationale of the ...