Exploració per autor "Mallorquí Franquet, Jordi Joan"
Ara es mostren els items 29-48 de 132
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Atmospheric artifacts compensation for InSAR by using global and local numerical weather prediction models
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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)
(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)
(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)
(VDE Conference Publications, 2018)
Text en actes de congrés
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
(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, ... -
Constraints in azimuth resolution by refocusing slowly moving targets from single-look complex SAR vignettes
(VDE Conference Publications, 2014)
Text en actes de congrés
Accés restringit per política de l'editorialAccessing the raw data of spaceborne SAR systems is not always possible to refocus blurred SAR signatures of vessels. Instead, the single-look complex (SLC) data is usually more available, but since the vessel motion can ... -
Convergence and stability assessment of Newton-Kantorovich reconstrutin algorithms for microwve tomography
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-08-31)
Article
Accés obertFor newly developed iterative Newton-Kantorovitch reconstruction techniques, the quality of the final image depends on both experimental and model noise. Experimental noise is inherent to any experimental acquisition scheme, ...
