Ara es mostren els items 108-127 de 321

    • Design of a Temperature Sensitive Band Pass Filter for a Chipless Harmonic Radar Sensor 

      Romeu Gómez, Jordi (Universitat Politècnica de Catalunya / Technische Universität Darmstadt, 2013-09-26)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] Passive chipless wireless sensor tags are used in environments with specific conditions where chips, wires or power supplies cannot be used. Nowadays a huge part of these sensors use Surface Acoustic Wave (SAW) ...
    • 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 integrated HAPS detection system 

      Segura Azañón, Víctor (Universitat Politècnica de Catalunya, 2021-05-12)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Tampereen ammattikorkeakoulu
      The development of new technologies in the field of telecommunications has a great impact on how we communicate with other people and even with some objects. The incorporation of 5G, IoT and 6G will require new means of ...
    • Design, fabrication and measurements of an s-band radar in an airborne platform 

      RuÍz Carregal, Gerard (Universitat Politècnica de Catalunya, 2014-10-24)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] The thesis describes the design and fabrication of an S-band radar. Moreover, discusses the results obtained from ground measurements, as well as measurements taken from an airborne platform.
    • Designing the quantizing step for a digital generalized sign test detector applied to Radar a first approach 

      Figueiras Vidal, Aníbal R.; García Gómez, Ramón; Mariño Acebal, José Bernardo; Lagunas Hernandez, Miguel A.; Martín Funke, Enrique (Institute of Electrical and Electronics Engineers (IEEE), 1981)
      Text en actes de congrés
      Accés obert
    • Detección de helicópteros mediante radares pulsados. Consideraciones de diseño 

      de los Reyes, Elías; Escanes, Juan Carlos; Elias Fusté, Antoni (Universidad Politécnica de Madrid (UPM), 1988)
      Text en actes de congrés
      Accés obert
      En el presente artículo se presenta en primer lugar la problemática en la detección de helicópteros y se propone un método para detectarlos basado en el efecto Doppler creado por el rotor principal del helicóptero. Para ...
    • Detección de movimiento mediante técnicas radar CW-FM en banda W 

      Vargas González, Daniel (Universitat Politècnica de Catalunya, 2014-03)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] Integration of a SAR adquisition system using a FM-CW 94 GHz radar and test the system by different measurement campaigns with the aim of detecting micrometic displacements using a phase analysis of the recived signal
    • Detección no paramétrica en radar 

      Mariño Acebal, José Bernardo; Figueiras Vidal, Aníbal R. (1980-10)
      Article
      Accés restringit per política de l'editorial
    • Determinación de la cubierta vegetal y seguimiento de un cultivo de soja con una cámara RGB de bajo coste 

      Maraver I Gozalvez, Aitor (Universitat Politècnica de Catalunya, 2024-02-14)
      Treball Final de Grau
      Accés obert
      Modern agriculture, due to environmental changes (arising from climate change) and the growing demand for food products, is undergoing a necessary revolution to be able to face these environmental challenges. Technology ...
    • Determining building interior structures using compressive sensing 

      Lagunas Targarona, Eva; Amin, Moeness; Ahmad, Fauzia; Nájar Martón, Montserrat (2013-01-22)
      Article
      Accés obert
      We consider imaging of the building interior structures using Compressive Sensing (CS) with applications to through-the-wall imaging and urban sensing. We consider a monostatic synthetic aperture radar imaging system ...
    • Development of a radar at 24 GHz for remote sensing applications 

      Blasco Coll, Andreu (Universitat Politècnica de Catalunya, 2014-12-18)
      Treball Final de Grau
      Accés obert
      This project will examine the capabilities of a radar sensor at 24GHz to measure the vibrations of buildings. The aim of this application, based on the detection of the vibration frequencies of the structure, is to detect ...
    • Development of an object oriented thunderstorm nowcasting system for Barcelona airport 

      Devanthéry Arasa, Núria (Universitat Politècnica de Catalunya, 2010-03-25)
      Projecte Final de Màster Oficial
      Accés obert
      The goal of this master thesis is to develop a thunderstorm information system for Barcelona airport. The purpose of the system is to provide information about all the thunderstorms that are near the airport area or ...
    • Digital photogrammetry, GPR and computational analysis of structural damages in a mediaeval bridge 

      Arias, P; Armesto, J; Capua, Daniel di; González Drigo, José Ramón; Lorenzo, H; Pérez Gracia, María de la Vega (Elsevier, 2007-02)
      Article
      Accés restringit per política de l'editorial
      Traditional architectonic heritage elements are fragile and irreplaceable resources, signs of the ancient ways of life and the history of the modern societies, and essential valuable elements of the own landscape of a ...
    • Diseño de generadores flexibles de señal de radar tipo chirp mediante técnicas dds (síntesis digital directa) 

      Ayza Gómez, Fernando (Universitat Politècnica de Catalunya, 2017-10-18)
      Treball Final de Grau
      Accés obert
      Desing and implementation of one continous wave frequency modulated radar based on DDS techniques with a versatile design, easy configuration through an USB port and provides synchronism signals to the receiver.
    • Diseño de un detector radar en ambientes interferentes k-distribuidos 

      Fernández de Muniain Comajuncosa, Javier; Elias Fusté, Antoni (1991)
      Text en actes de congrés
      Accés obert
      In this paper, the radar detection of rargers embedded in K_clurrer and whire gaussian noise is examined. The compound K disrribution model is a good modelfor observed echoes amplitude stadistics over a wide range of ...
    • Diseño de un radar FMCW para aplicaciones biomédicas y de movilidad 

      Molina Alvarez, Albert (Universitat Politècnica de Catalunya, 2020-06)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
    • Diseño interactivo de formas de baja detectabilidad radar 

      Rius Casals, Juan Manuel; Jofre Roca, Lluís; Vall-Llossera Ferran, Mercedes Magdalena (1991)
      Text en actes de congrés
      Accés obert
      Radar cross section (RCS) of complex targets can be obtained in real time using the hardware capabilities of a high performance graphic workstation. Target geometry is modelled by a computer-aided design package. First ...
    • Diseño y construcción de un sistema compact range reducido hasta 40 ghz 

      Xarrié, Jaume; Broquetas Ibars, Antoni; Jofre Roca, Lluís; Cardama Aznar, Ángel (Unión Científica Internacional de Radio (URSI), 1990)
      Text en actes de congrés
      Accés obert
      The design of a polarimetric Compact Range system covering 12-40 GHz is presented. Includes a preliminar error analysis, feeder design, and plane wave evaluation.
    • Diseño y desarrollo de un programa de procesamiento para un RADAR FM-CW orientado a aplicaciones biomédicas 

      Gutiérrez Roca, Marius (Universitat Politècnica de Catalunya, 2021-07-06)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • Diseño y evaluación de un sistema de medida RCS 

      Blanch Boris, Sebastián; Xarrié, Jaume; Broquetas Ibars, Antoni; Fabregas Canovas, Francisco Javier; Jofre Roca, Lluís (Unión Científica Internacional de Radio (URSI), 1990)
      Text en actes de congrés
      Accés obert
      A polarimetric compact range RCS measurement system covering 8 to 40 GHZ is presented. The sensitivity is evaluated both theoretically and experimentally. Some RCS and ISAR results are included.