Exploració per autor "Mallorquí Franquet, Jordi Joan"
Ara es mostren els items 27-46 de 132
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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)
Article
Accés obertTime 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)
Article
Accés obertGeosynchronous 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)
Text en actes de congrés
Accés obertAtmospheric 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)
Article
Accés obertMitigating 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)
Article
Accés restringit per política de l'editorialIn 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
Accés obertIn 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)
Article
Accés obertAn 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)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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)
Article
Accés obertSpaceborne 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)
Text en actes de congrés
Accés obertThis 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)
Text en actes de congrés
Accés obertIn 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)
Text en actes de congrés
Accés obertThis 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)
Text en actes de congrés
Accés obertThis 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)
Article
Accés obertThis 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 ... -
Carrier phase synchronisation scheme for very long baseline coherent arrays
Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan; López Dekker, Francisco J. (Institution of Electrical Engineers, 2012-07-19)
Article
Accés restringit per política de l'editorialProposed is a new carrier phase synchronisation scheme used to provide a stable phase reference to a very distant station. Channel induced phase fluctuations are characterised and compensated for with a round-trip loop ... -
Coherency Matrix Decomposition-Based Polarimetric Persistent Scatterer Interferometry
Zhao, Feng; Mallorquí Franquet, Jordi Joan (Institute of Electrical and Electronics Engineers (IEEE), 2019-10-01)
Article
Accés obertThe rationale of polarimetric optimization techniques is to enhance the phase quality of the interferograms by combining adequately the different polarization channels available to produce an improved one. Different ... -
Comparing satellite based and ground based radar interferometry and field observations at the Canillo landslide (Pyrenees)
Corominas Dulcet, Jordi; Iglesias González, Rubén; Aguasca Solé, Alberto; Mallorquí Franquet, Jordi Joan; Fabregas Canovas, Francisco Javier; Planas, Xavier; Gili Ripoll, José Antonio (Springer, 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe landslide of El Forn de Canillo in the Principality of Andorra is one of the largest in the Pyrenees. In 2007 a monitoring system (boreholes equipped with inclinometers, extensometers and piezometers) was set up. Between ... -
Comparison between differential SAR interferometry and ground measurements data in the displacement monitoring of the earth-dam of Conza della Campania (Italy)
Di Martire, Diego; Iglesias González, Rubén; Monells Miralles, Daniel; Centolanza, Giuseppe; Sica, Stefania; Ramondini, Massimo; Pagano, Luca; Mallorquí Franquet, Jordi Joan; Calcaterra, Domenico (2014-05-25)
Article
Accés restringit per política de l'editorialThis paper presents the application of Differential Synthetic Aperture Radar (SAR) interferometry (DInSAR) algorithms for the precise monitoring of earth dams ground deformation. The test site selected for this study is ... -
Comparison of InSAR atmospheric phase screen correction with Global Atmospheric Models (GAM)
Hu, Zheng; Mallorquí Franquet, Jordi Joan (VDE Conference Publications, 2018)
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Accés restringit per política de l'editorialVariations of atmospheric conditions cause Atmospheric Phase Screen (APS) in Interferometric Synthetic Aperture Radar (InSAR), which affects accuracy and reliability of its applications. Recent studies reveal that empirical ... -
Comparison of topography- and aperture-dependent motion compensation algorithms for airborne SAR
Prats Iraola, Pau; Câmara de Macedo, Karlus A.; Reigber, Andreas; Scheiber, Rolf; Mallorquí Franquet, Jordi Joan (IEEE, 2007-07-31)
Article
Accés obertThis letter presents a comparison between three Fourier-based motion compensation (MoCo) algorithms for airborne synthetic aperture radar (SAR) systems. These algorithms circumvent the limitations of conventional MoCo, ...