Ara es mostren els items 68-87 de 132

    • Identification of potential subsidence related to pumping in the Almería basin (SE Spain) 

      Pulido-Bosch, Antonio; Delgado Marchal, José; Sola, Fernando; Vallejos, Angela; Vicente, Fernando; López Sánchez, Juan Manuel; Mallorquí Franquet, Jordi Joan (2012-02-28)
      Article
      Accés restringit per política de l'editorial
      Ground subsidence of detrital deposits in the Almer´ıa basin (SE Spain) was studied using the remote sensing technique of Differential Interferometry SAR (DInSAR). This basin is one of the most arid in Europe, receiving ...
    • Imaging of biomedical data using a multiplicative regularized contrast source inversion method 

      Abubakar, A.; Van den Berg, Peter M.; Mallorquí Franquet, Jordi Joan (2002-07)
      Article
      Accés obert
      In this paper, the recently developed multiplicative regularized contrast source inversion method is applied to microwave biomedical applications. The inversion method is fully iterative and avoids solving any forward ...
    • Impact of SAR image resolution on polarimetric persistent scatterer interferometry with amplitude dispersion optimization 

      Zhao, Feng; Mallorquí Franquet, Jordi Joan; López Sánchez, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Article
      Accés obert
      Polarimetric persistent scatterer interferometry (PolPSI) takes advantage of polarimetric optimization algorithms that enhance interferograms’ phase quality by adequately combining the available polarization channels (e.g., ...
    • Impact of SAR image resolution on the performance of the amplitude dispersion optimization for polarimetric persistent scatterer interferometry 

      Zhao, Feng; Mallorquí Franquet, Jordi Joan; López Sánchez, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Polarimetric persistent scatterer interferometry (PolPSI) takes advantage of polarimetric optimization algorithms that enhance interferograms’ phase quality by adequately combining the available polarization channels (e.g., ...
    • Improving PSI processing of mining induced large deformations with external models 

      Du, Sen; Mallorquí Franquet, Jordi Joan; Fan, Hongdong (VDE-Verlag, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The surface deformation caused by coal mining may cause various geological disasters. Many scholars use for mine monitoring Persistent Scatterer Interferometry (PSI) combined with external models to compensate the phase ...
    • Improving PSI processing of mining induced large deformations with external models 

      Du, Sen; Mallorquí Franquet, Jordi Joan; Fan, Hongdong; Zheng, Meinan (Multidisciplinary Digital Publishing Institute (MDPI), 2020-09-24)
      Article
      Accés obert
      Ground subsidences, either caused by natural phenomena or human activities, can threaten the safety of nearby infrastructures and residents. Among the different causes, mining operations can trigger strong subsidence ...
    • Insar atmospheric delays compensation: case study in Tenerife island 

      Hu, Zhongbo; Mallorquí Franquet, Jordi Joan; Centolanza, Giuseppe; Duro, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Differential Interferometry SAR (DInSAR) is an advanced technique to retrieve ground deformation in the geoscience community. Atmospheric Phase Screen (APS) is one of the largest challenges limiting the application of ...
    • Interpolation-free Coregistration and Phase-Correction of Airborne SAR Interferograms 

      Prats Iraola, Pau; Reigber, Andreas; Mallorquí Franquet, Jordi Joan (IEEE, 2004-07-31)
      Article
      Accés obert
      This letter discusses the detection and correction of residual motion errors that appear in airborne synthetic aperture radar (SAR) interferograms due to the lack of precision in the navigation system. As it is shown, ...
    • Iterative solution to temporal phase wrapping in differential SAR interferometry for high displacement rate phenomena 

      Monells Miralles, Daniel; Iglesias González, Rubén; Centolanza, Giuseppe; Mallorquí Franquet, Jordi Joan (VDE Conference Publications, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Temporal phase wrapping may be an issue in Differential SAR Interferometry (DInSAR) for terrain displacement monitoring, especially when the deformation rate of the phenomena under observation is high and/or the temporal ...
    • Laboratori docent d'ones de radiació i ones guiades 

      Cardama Aznar, Ángel; Mallorquí Franquet, Jordi Joan; Romeu Robert, Jordi; Torres Torres, Francisco (Edicions UPC, 1997-01-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
    • Landslide monitoring using multi-temporal SAR interferometry with advanced persistent scatterers identification methods and super high-spatial resolution terraSAR-X Images 

      Zhao, Feng; Mallorquí Franquet, Jordi Joan; Iglesias González, Rubén; Gili Ripoll, José Antonio; Corominas Dulcet, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2018-06-01)
      Article
      Accés obert
      Landslides are one of the most common and dangerous threats in the world that generate considerable damage and economic losses. An efficient landslide monitoring tool is the Differential Synthetic Aperture Radar Interferometry ...
    • Landslide monitoring with staring-spotlight data: Canillo case study 

      Mallorquí Franquet, Jordi Joan; Hu, Zhongbo; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      One of the main applications of SAR interferometry is the monitoring of hazard risks related with urban subsidence and landslide instabilities. The different sensors available offer different carrier frequencies, image ...
    • Linear and nonlinear terrain deformation maps from a reduced set of interferometric SAR images 

      Mora Sacristan, Óscar; Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-10-31)
      Article
      Accés obert
      In this paper, an advanced technique for the generation of deformation maps using synthetic aperture radar (SAR) data is presented. The algorithm estimates the linear and nonlinear components of the displacement, the error ...
    • Mapping ground subsidence induced by aquifer overexploitation using advanced Differential SAR Interferometry: Vega Media of the Segura River (SE Spain) case study 

      Tomás Jover, Roberto; Márquez, Yolanda; López-Sánchez, Juan Manuel; Delgado Marchal, José; Blanco Sánchez, Pablo; Mallorquí Franquet, Jordi Joan; Martínez, Mónica; Herrera, G.; Mulas, J. (ELSEVIER SCIENCE INC, 2005-08-31)
      Article
      Accés restringit per política de l'editorial
      The Geostationary Synthetic Thinned Array Radiometer represents a promising new approach to microwave atmospheric sounding from geostationary orbit based on passive interferometry. Distortion due to mechanical or thermal ...
    • Measurement of the electromagnetic field backscattered by a fractal surface for the verification of electromagnetic scattering models 

      Ruello, Giuseppe; Blanco Sánchez, Pablo; Iodice, Antonio; Mallorquí Franquet, Jordi Joan; Riccio, Daniele; Broquetas Ibars, Antoni; Franceschetti, Girogio (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-04)
      Article
      Accés obert
      Fractal geometry is widely accepted as an efficient theory for the characterization of natural surfaces; the opportunity of describing irregularity of natural surfaces in terms of few fractal parameters makes its use in ...
    • Métodos numéricos para aplicaciones biomédicas: problemas directo e inverso electromagnéticos 

      Mallorquí Franquet, Jordi Joan (Universitat Politècnica de Catalunya, 1995-05-02)
      Tesi
      Accés obert
      El objetivo básico de la tesis ha sido el desarrollo de algoritmos de reconstrucción que permiten obtener imágenes de cuerpos biológicos de alto contraste. Los datos de entrada de los distintos algoritmos son los campos ...
    • Microwave imaging techniques for biomedical applications 

      Joisel, A; Mallorquí Franquet, Jordi Joan; Broquetas Ibars, Antoni; Geffrin, J M; Joachimowicz, N; Vall·Llossera, M; Vall-Llossera Ferran, Mercedes Magdalena; Jofre Roca, Lluís; Bolomey, Jean Charles (Vincenzo Piuri and Mario Savino, 1999)
      Text en actes de congrés
      Accés obert
      Microwaves have been considered for medical applications involving the detection of organ movements and changes in tissue water content. More particularly cardiopulmonary interrogation via microwaves has resulted in various ...
    • Modeling the two- and three-dimensional displacement field in Lorca, Spain, subsidence and the global implications 

      Fernández Torres, José; Prieto Morin, Juan Francisco; Escayo Menéndez, Joaquín; Mallorquí Franquet, Jordi Joan (Nature, 2018-12-01)
      Article
      Accés obert
      Land subsidence associated with overexploitation of aquifers is a hazard that commonly affects large areas worldwide. The Lorca area, located in southeast Spain, has undergone one of the highest subsidence rates in Europe ...
    • Modified oriented dihedral model for scattering characteristic description with PolSAR data 

      Chen, Yifan; Zhang, Lamei; Mallorquí Franquet, Jordi Joan; Zou, Bin (Institute of Electrical and Electronics Engineers (IEEE), 2024-01-19)
      Article
      Accés obert
      Dihedral is a common structure in polarimetric SAR images and can be found on many man-made targets. Many researchers have proposed different dihedral models, but the accuracy of these models is limited. In this case, the ...
    • Monitoring an earthfill dam using differential SAR interferometry: La Pedrera dam, Alicante, Spain 

      Tomás, R.; Cano, M; Garcia Barba, J.; Vicente, Fernando; Herrera, G.; López Sánchez, Juan Manuel; Mallorquí Franquet, Jordi Joan (2013-05-08)
      Article
      Accés restringit per política de l'editorial
      Surface displacement at the dykes of La Pedrera reservoir (SE Spain) has been measured by satellite differential Synthetic Aperture Radar (SAR) interferometry. At the main dyke, a displacement of about 13 cm along the ...