Exploració per tema "Radar"

Ara es mostren els items 82-101 de 322

    • Change detection for economic activities monitoring using Sentinel-1 data 

      Herrera Giménez, Marc (Universitat Politècnica de Catalunya, 2021-06-21)
      Treball Final de Grau
      Accés restringit per decisió de l'autor

    • Characterization of a commercial radar to detect electric scooters 

      Febrer Mercadal, Adrià (Universitat Politècnica de Catalunya, 2020-06)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Characterization of a radar for autonomous vehicle location systems 

      Flores Abad, Ismael (Universitat Politècnica de Catalunya, 2015-10-14)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Chirp Fourier Processor Design: A Time-domain Approach 

      Delgado Penin, José Antonio; Serrat Fernández, Juan (Institute of Electrical and Electronics Engineers (IEEE), 1990)
      Text en actes de congrés
      Accés obert

    • Circular synthetic aperture radar (C-SAR) system for ground based applications 

      Broquetas Ibars, Antoni; Porrata-Dòria i Yagüe, Ramir de; Sagués Piella, Lluís; Fabregas Canovas, Francisco Javier; Jofre Roca, Lluís (IEE-INST ELEC ENG, 1997-05-01)
      Article
      Accés obert
      The authors present an SAR system capable of obtaining radar images from measurements carried out with antennas that describe a circular trajectory centred outside the target region. The analytical formulation of the ...

    • Compact acquisition system for high resolution radars 

      Snider Fiñana, Rodrigo (Universitat Politècnica de Catalunya, 2016-10)
      Projecte Final de Màster Oficial
      Accés obert
      Current analog data acquisition systems are complex systems based on high speed FPGA and microprocessors. Digital technologies are growing faster; microcontrollers are implementing more powerful peripherals, like ...

    • Comparative analyses of multi-frequency PSI ground deformation measurements 

      Sabater Cifuentes, José Raúl (Universitat Politècnica de Catalunya, 2012-03-29)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      [ANGLÈS] In recent years many new developments have been made in the field of SAR image analysis. The diversity of available SAR imagery allows a wider range of applications to be covered in the domain of risk management ...

    • 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 obert
      This 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, ...

    • Compresión de pulsos: Análisis de formas de onda no lineales 

      de los Reyes, Elías; Clavera, Jordi; Elias Fusté, Antoni (Universidad Politécnica de Madrid (UPM), 1988)
      Text en actes de congrés
      Accés obert

    • Compresión digital de señales chirp. Compresión en coma fija 

      de los Reyes, Elías; Casadevall, Laura; Elias Fusté, Antoni; Ferrando, Miguel (1987)
      Text en actes de congrés
      Accés obert
      It is presented the simulation of a fixed point digital matched filter, in order to estimate their perfomances.

    • Compressive sensing based candidate detector and its applications to spectrum sensing and through-the-wall radar imaging 

      Lagunas Targarona, Eva (Universitat Politècnica de Catalunya, 2014-03-07)
      Tesi
      Accés obert
      Signal acquisition is a main topic in signal processing. The well-known Shannon-Nyquist theorem lies at the heart of any conventional analog to digital converters stating that any signal has to be sampled with a constant ...

    • Considerations about antenna pattern measurements of 2-D aperture synthesis radiometers 

      Camps Carmona, Adriano José; Skou, Neils; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Duffo Ubeda, Núria (IEEE, 2006-04-30)
      Article
      Accés obert
      Accurate measurement of the antenna voltage patterns of large-aperture synthesis radiometers is critical in order to achieve good radiometric accuracy, and a very time consuming and expensive task. Measurement requirements ...

    • Constraints in azimuth resolution by refocusing slowly moving targets from single-look complex SAR vignettes 

      Yam Ontiveros, Luis Eduardo; Mallorquí Franquet, Jordi Joan; Rius Casals, Juan Manuel (VDE Conference Publications, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Accessing 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 ...

    • Contribution to the development of microwave remote sensing for UAV systems. 

      Alagbaatar, Tuvshinbayar (Universitat Politècnica de Catalunya, 2022-07-21)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Balamis Microwave Sensors and Electronics
      Microwave technology is very sensitive to Radio Frequency Interferences (RFI). Works previously done within this Master by Marc Jou [1] showed the impossibility to retrieve measurements using L-band radiometers on-board ...

    • DA-GLRT burst detection and synchronization based on a chirp-like preamble 

      Rodríguez, E; Lamarca Orozco, M. Meritxell; López Salcedo, José Antonio; Rey Micolau, Francesc; Riba Sagarra, Jaume; Sala Álvarez, José; Vázquez Grau, Gregorio; Villares Piera, Nemesio Javier; Jalón, A (2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A specific preamble for the tasks of signal detection and synchronization in burst digital communications is presented. The preamble resembles a chirp signal used in RADAR applications. Its main benefit is that it allows ...

    • Data processing of a polarimetric X-Band phased array weather radar 

      Vilardell Sánchez, Jezabel (Universitat Politècnica de Catalunya, 2016-07)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   University of Massachusetts at Amherst
      Weather forecast estimation has been a matter of analysis for many years. The arrival of dual polarization radars meant an improvement due to the incorporation of new variables. This project illustrates how to obtain the ...

    • Deformation measurement of an Experimental slab using gb-sar Analysis and interpretation 

      Aydindag, Ebru (Universitat Politècnica de Catalunya, 2018-05-24)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      Aquest treball consisteix en l'anàlisi i interpretació de mesures de deformació amb interferometria Radar (GBSAR) dutes a terme durant un assaig a llarg termini a escala real. L'element monitoritzat és una llosa experimental ...

    • Desarrollo de solución software para minimizar los costes en las operaciones de aeronaves en función de sus maniobras 

      Bagó Vila, Sergi (Universitat Politècnica de Catalunya, 2022-02-10)
      Treball Final de Grau
      Accés obert
      Commercial aviation has developed intensively in recent decades, due to the rise of low-cost airlines and globalization. One of the consequences of the high growth is the increase in greenhouse gas emissions in the atmosphere. ...

    • Desarrollo de una aplicación para informar sobre carreteras usando social networks 

      Álvarez Morales, Ferran (Universitat Politècnica de Catalunya, 2015-04-24)
      Treball Final de Grau
      Accés obert
      [CASTELLÀ] Desarrollo de una aplicación móvil que informa en tiempo real sobre la localización de radares. La información necesaria se obtiene mediante el análisis de las publicaciones de la red social Twitter.

    • Desenvolupament d'un software multiplataforma decodificador/reproductor dades Asterix 

      Alarcón García-Saavedra, Antonio (Universitat Politècnica de Catalunya, 2022-02-10)
      Treball Final de Grau
      Accés obert
      This project will explain the development of a multiplatform software capable of decoding the EUROCONTROL protocol ASTERIX, decoding the categories 10, 19, 20 and 21. The requirements of the software required priorizing ...