Exploració per tema "Radar d'obertura sintètica"

Ara es mostren els items 73-92 de 244

    • Desenvolupament d'algoritmes de compensació de moviment per a SAR embarcat en sistema aeri no tripulat 

      Alabort Medina, Arnau (Universitat Politècnica de Catalunya, 2014-03)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] Study and development of the main image focus algorithms for a Synthetic Aperture Radar (SAR). First starts studying the basic focus techniques and then are implemented autofocus methods to correct the errors in ...

    • Design and Implementation of a GNSS reflectometer using a software defined radio 

      Olivé Muñiz, Roger (Universitat Politècnica de Catalunya, 2015-09)
      Projecte Final de Màster Oficial
      Accés obert
      The 3Cat-2 nanosatellite payload includes, amongst other experiments, a Global Navigation Satellite System Reflectometry (GNSS-R) receiver. The payload captures GNSS data from the two channels of a Software Defined Radio ...

    • Design of a bistatic SAR processor for GEOSAR systems 

      Scherk Fontanals, Álvaro (Universitat Politècnica de Catalunya, 2018-10)
      Treball Final de Grau
      Accés obert
      This document is an investigation about GEOSAR technology and possible methods that improve the performance especially by accurately pointing or focusing the antenna towards the target. Results obtained show that this ...

    • Design of a time-stamp subsystem for Geostationary satellites orbit determination and Earth observation 

      Cerdà Roscar, Josep (Universitat Politècnica de Catalunya, 2018-06)
      Treball Final de Grau
      Accés obert
      This project proposes and evaluates a solution to address the existing problem of time synchronization data in the context of precise orbit determination of geostationary satel- lites. For this reason, in this memory a ...

    • Design of an Active Radar Calibrator for Geostationary SAR Missions 

      Casado Blanco, David-Felipe (Universitat Politècnica de Catalunya, 2016-01-28)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Geostationary SAR missions under study require a highly precise orbit determination of the platform in order to obtain accurate SAR images and interferometric products. In the project a ground Active Radar Calibrator is ...

    • Detección de manchas de petróleo en imágenes SAR 

      Ruiz García, Olga (Universitat Politècnica de Catalunya, 2019-06)
      Treball Final de Grau
      Accés obert
      This work is the continuation of an investigation work that was carried out by the student Ismael Vivó and faces the problem of oil spill detection on the sea surface through image processing and machine learning tools. ...

    • Detección de manchas de petróleo en imágenes SAR mediante mintree y Deep Learning 

      Barrera Barea, Xavier (Universitat Politècnica de Catalunya, 2020-01)
      Treball Final de Grau
      Accés obert
      Oil spills constitute one of the main risk factors for oceanic, maritime and coastal ecosystems. They cause a problem that can be catastrophic for local marine fauna and the growth of maritime commerce. Complementing the ...

    • Detección y estimación de velocidad de objetivos móviles mediante radares de apertura sintética con configuración de canal dual (dual channel SAR) 

      Domínguez Hunger, Cristian (Universitat Politècnica de Catalunya, 2012-02-16)
      Projecte/Treball Final de Carrera
      Accés obert
      English: Synthetic Aperture Radars (SAR) provide high resolution images, but they were not initially designed to detect moving targets. However, in the last decade, the interest in remote sensing capabilities provided by ...

    • Development of a generic GBSAR system controller under Linux 

      Cerro Gutiérrez, Albert (Universitat Politècnica de Catalunya, 2018-05)
      Treball Final de Grau
      Accés obert
      The present project consists in the development of a generic GBSAR system controller, or framework, under the Linux OS; through the use of object oriented programming with software design patterns. Said framework will ...

    • Development of a multi-channel SAR simulator for open-oceans: OASIS 

      Marull-Paretas, Gerard (Universitat Politècnica de Catalunya, 2013-10-28)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] Interest in application of remote sensing to the ocean by microwave radars started in the decade of the sixties. Major applications are the measurement of surface winds from absolute backscattered power and the ...

    • Development of an advanced automotive radar system: adaptive design, simulation, measurements, and data utilization 

      Birnstengel, Daniel Louis (Universitat Politècnica de Catalunya, 2024-02-07)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat

    • Development of an airbone three-frequency interferometric SAR for measuring snow properties 

      Segarra García-Vela, Federico (Universitat Politècnica de Catalunya, 2022-10-28)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   University of Massachusetts at Amherst
      Microstrip patch antennas, introduced in the late 70s, are one of the most widely used printed antennas. Their light weight, small size, low profile, low cost, robustness and good radiation performance, makes them to be ...

    • Development of an algorithm for the obtention of the SAR image from Near-Field recorded data in a Mobile RCS Handheld 

      Ibañez Domenech, Iban (Universitat Politècnica de Catalunya, 2014-06)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Rheinisch-Westfälische Technische Hochschule Aachen
      [ANGLÈS] In this thesis two dimensional radar imaging solutions are investigated, implemented and analysed in order to be used in a Mobile RCS Handheld which requires some specific constraints which must be overcome. One ...

    • Differential interferometry for multi-frequency ground-based SAR systems 

      López Esteban, Sergi (Universitat Politècnica de Catalunya, 2021-10)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Balamis Microwave Sensors and Electronics
      Ground-Based Synthetic Aperture Radars (GB-SAR) are a type of Synthetic Aperture Radars (SAR) with a higher flexibility and lower cost than their satellite counterparts. The effectiveness of GB-SAR terrain displacement ...

    • Differential SAR interferometry for the monitoring of land subsidence along railway infrastructures 

      Wassie, Yismaw Abera; Gao, Qi; Barra, Anna; Monserrat, Oriol; Crippa, Bruno; Crosetto, Michele (2022-05-30)
      Article
      Accés obert
      The paper summarizes the results of an ongoing research project carried out in cooperation between CTTC (Spain) and the University of Milan (Italy). The work aimed at investigating the role of quality indicators in the ...

    • Differential SAR interferometry with orbital, airborne and ground-based sensors 

      Monells Miralles, Daniel; Mallorquí Franquet, Jordi Joan; Aguasca Solé, Alberto; Broquetas Ibars, Antoni; Fabregas Canovas, Francisco Javier; López Martínez, Carlos; Alonso González, Alberto; Iglesias González, Rubén; Centolanza, Giuseppe (2011)
      Comunicació de congrés
      Accés obert
      • Introduction to Differential Interferometry • Orbital Sensors: ERS, ENVISAT, RADARSAT2, TerraSAR-X. • Airborne Sensors: DLR’s E-SAR • Ground-Based Sensors: UPC’s GB-SAR • Conclusions

    • DInSAR pixel selection based on sublook spectral correlation along time 

      Iglesias González, Rubén; Mallorquí Franquet, Jordi Joan; López Dekker, Francisco J. (Institute of Electrical and Electronics Engineers (IEEE), 2014-07-01)
      Article
      Accés restringit per política de l'editorial
      The reliability of any final differential synthetic aperture radar (SAR) interferometry (DInSAR) product is directly related to the phase quality of the interferograms involved in the processing. Performing an appropriate ...

    • Diseño e implementación de un cabezal RF para SABRINA-C 

      Gómez Gómez, Jonathan (Universitat Politècnica de Catalunya, 2009-07)
      Projecte/Treball Final de Carrera
      Accés obert
      Enmarcat dintre del projecte SABRINA (SAR Bistatic Receiver for INterferometric Applications) del Remoting Sensing Lab de la UPC, aquest projecte s’ha encarregat de millorar la cadena RF de recepció existent, que utilitza ...

    • Diseño y caracterización del modo de adquisición "On-The-Fly" en un SAR de 94 GHz 

      Martínez Cervera, Arturo (Universitat Politècnica de Catalunya, 2015-09)
      Projecte/Treball Final de Carrera
      Accés obert
      Design of a continuous acquisition mode for a 94 GHz radar, execution of the modifications needed for the correct operation and validation of the system through experimental measures.

    • Disseny i caracterització d'un capçal de RF compacte en banda C i X per un receptor SAR biestàtic 

      Costa Barriga, Xavier (Universitat Politècnica de Catalunya, 2016-07)
      Projecte/Treball Final de Carrera
      Accés obert
      This project combines the technologies of various projects SABRINA (SAR Bistatic Receiver for Interferometric Applications) of Remoting Sensing Lab at UPC, in order to design and implement a RF receiver capable of receiving ...