Ara es mostren els items 53-72 de 199

  • 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 J.; 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
    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 ...
  • 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 de codis d'anàlisi de la dispersió electromagnètica deguda a blancs RADAR molt petits 

    Crespí Font, Francisca (Universitat Politècnica de Catalunya, 2010-02-05)
    Treball Final de Grau
    Accés obert
  • Design and Analysis of Superresolution algorithm and signal separation technique for an OFDM-based MIMO radar 

    Nguyen, Thanh Thuy (Universitat Politècnica de Catalunya / Karlsruher Institut für Technology, 2012-10-31)
    Projecte Final de Màster Oficial
    Accés obert
    Recently, the concept of MIMO radar has been proposed. MIMO radar has the capability to transmit orthogonal (or incoherent) waveforms at multiple transmit antennas. It offers promising potentials for multipath fading, ...
  • Design of a Chipless Harmonic Radar Temperature Sensor 

    Romeu Gómez, Jordi (Universitat Politècnica de Catalunya / Technische Universität Darmstadt, 2013-09-10)
    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 reflected power canceller for single-antenna FMC radars 

    Amézaga Sarries, Adrià (Universitat Politècnica de Catalunya / University of Massachusetts at Amherst. Microwave Sensing Laboratory, 2013-12-10)
    Treball Final de Grau
    Accés obert
    [ANGLÈS] Frequency Modulated Continuous Wave radars suffer from an undesirable effect called transmitter leakage. The power leak between transmitter and receiver due to the lack isolation impairs reception performance. The ...
  • 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, 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, Antonio (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 obert
  • 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 un detector radar en ambientes interferentes k-distribuidos 

    Fernández de Muniain Comajuncosa, Javier; Elias Fusté, Antonio (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 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.