Now showing items 71-90 of 180

  • Echo Doppler with structured light 

    Belmonte Molina, Aniceto; Pérez Torres, Juan (The Optical Society (OSA), 2012)
    Conference report
    Restricted access - publisher's policy
    When a light beam with a transverse spatially - varying phase is considered for optical remote sensing, in addition to the usual longitudinal Doppler freq uency shift of the returned signal induced by the motion of ...
  • Elaboració i anàlisi d'imatges radar desde satèl.lit 

    Villacorta Cantí, David (Universitat Politècnica de Catalunya, 2009-07-29)
    Bachelor thesis
    Open Access
  • Ensayo a escala real de varias técnicas geomáticas de monitorización de movimientos de edificios 

    Cuevas, M.; Lantada Zarzosa, Maria de Las Nieves; Núñez Andrés, María Amparo; Gili Ripoll, José Antonio; Buill Pozuelo, Felipe; Puig i Polo, Càrol; Zabaleta Zenarrutzabeitia, Izturitz; Rodríguez Jordana, Juan; Luzi, G. (Ilustre Colegio Oficial de Ingenieros Técnicos en Topografía de España, 2012)
    Conference lecture
    Restricted access - publisher's policy
    Dentro del proyecto de I+D del Ministerio de Ciencia e Innovación “Aplicación de técnicas geomáticas a la monitorización de edificios. Efecto térmico” (GEOTERM), coordinado por la Universidad Politécnica de Cataluña, se ...
  • Estimation of snow pack characteristics by means of polarimetric SAR data 

    Reppucci, Antonio; Banque, Xavier; López Martínez, Carlos; Zhan, Yu; Alonso González, Alberto (SPIE, 2012)
    Conference report
    Restricted access - publisher's policy
    Characterization of the snow-pack is fundamental for several applications in hydrology, such as modelling and forecasting of snow melt runoff, water resource management and risk analysis. Thanks to its night/day capabilities ...
  • Estrategias de procesado para la maximización de puntos de medida en entornos no urbanos 

    Aguado Berga, Vicente (Universitat Politècnica de Catalunya, 2012-04)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    [ANGLÈS] Project based on the application of different processing strategies using the interferometric technique. The objective is to obtain a greater number of measuring points in non-urban areas where the temporal ...
  • Estudio de las distribuciones de las antenas de radar de barrido electrónico 

    de los Reyes, Elías; Ferrando, Miguel; Jofre Roca, Lluís; Elias Fusté, Antonio (Fundación Universidad-Empresa, 1986)
    Conference report
    Open Access
  • Estudio de las prestaciones de contra-contra-medidas radar en entornos ruidosos 

    Rius Casals, Juan Manuel; Elias Fusté, Antonio; Calvo, S (Unión Científica Internacional de Radio (URSI), 1989)
    Conference report
    Open Access
    A Multiplier-Convolution-Multiplier (M.C.M.) processor behaves as a frequency-time converter. A computer simulation study is made to analize the performance of this device in a noisy environment. Own to its compressive ...
  • Estudio de las prestaciones de Contra-Contramedidas radar en entornos ruidosos 

    Elias Fusté, Antonio (1989)
    Conference report
    Open Access
    A Multiplier-Convolution-Multiplier (M.C.M.) processor behaves as a frequency-time converter. A computer simulation study is made to analize the performance of this device in a noisy environment. Own to its compressive ...
  • Estudio del stcbiestatico para radar 

    Aguasca Solé, Alberto; Elias Fusté, Antonio (1991)
    Conference report
    Open Access
    The recieved signa! by rhe radar receiver musr be correcred by a funcrion (Sensirivy Time Conrrol), this function is applied to maintain constant the power recieved from all rargers wirh same RCS in any arbitrary space ...
  • Evaluación de la distorsión de un filtro compresor y su efecto en el procesado CFAR 

    Casanovas Gonzalez, Luis; Elias Fusté, Antonio; de los Reyes, Elías (Universidad Politécnica de Madrid (UPM), 1988)
    Conference report
    Open Access
    Clutter statistical alteratión due to the digital operation of th~ match fil ter is examined. It is shown a great deformation from Rayleigh function after a square root detector.
  • Evaluación de prestaciones y simulación de pérdidas en radares pulsados 

    de los Reyes, Elías; Fernández de Muniain, Javier; Elias Fusté, Antonio (Universidad Politécnica de Madrid (UPM), 1988)
    Conference report
    Open Access
    This paper shows the influence of several loss factors on radar systems. It deals specially with those loss factors which are due to atmospheric effects, such as refraction, reflexion and the rain effects on radar system ...
  • Evaluation of automotive commercial radar for human 

    Mir Tutusaus, Marc (Universitat Politècnica de Catalunya, 2008-11-17)
    Master thesis (pre-Bologna period)
    Open Access
    An evaluation of the capabilities of Automotive Long Range Radar Generation 2, manufactured by Bosch, for detecting humans is presented. The main goal is to improve the security of workers in work machine environments ...
  • Evaluation of different memory efficient methods for storage of radar-sensor occupancy maps 

    Giribet Ortiz, Marta (Universitat Politècnica de Catalunya, 2011-03-17)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Driver Assistance Systems are in-vehicle systems that improve security in the automobile and increase comfort while driving. They have been acquiring great importance in recent years and will be very relevant in the near ...
  • Evaluation of state-of-the-art GMTI techniques for future spaceborne SAR systems -simulation validation- 

    Makhoul Varona, Eduardo; Broquetas Ibars, Antoni; González, Oriol (2012)
    Conference report
    Restricted access - publisher's policy
    This paper presents an evaluation of the state-of-the-art Ground Moving Target Indication (GMTI) techniques in the frame of space-borne Synthetic Aperture Radar (SAR) for vessel detection by means of a flexible SAR-GMTI ...
  • Experimental comparison of different scattering mechanism selections for vegetation height retrieval by POLINT 

    López-Sánchez Sánchez, Juan Manuel; Fortuny Guasch, Joaquim; Siebert, Julien; Fabregas Canovas, Francisco Javier; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference report
    Open Access
    The application of polarimetric radar interferometry to the estimation of vegetation height is studied. A comparison between different choices for the scattering mechanisms employed in the retrieval algorithm is presented. ...
  • Extraction of vegetation structure and surface parameters using polarimetric and interferometric SAR techniques 

    Fabregas Canovas, Francisco Javier; Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference report
    Open Access
    Presents different polarimetric and interferometric inversion radar approaches to extract the characteristics of vegetation and bare soil surfaces. The inversion techniques presented make use of multifrequency, radar ...
  • Fast algorithms for radar cross section computation of complex objects 

    Rius Casals, Juan Manuel; Vall-Llossera Ferran, Mercedes Magdalena; Ferrando, M. (Centre national d'études des télécommunications (CNET), 1990)
    Conference report
    Open Access
    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 ...
  • Fast shadowing computation in physical optics surface 

    Rius Casals, Juan Manuel; Carbo, Alex; Úbeda Farré, Eduard; Heldring, Alexander (2013)
    Conference report
    Restricted access - publisher's policy
    GRECO code has been updated by replacing the graphical processing technique for computation of Physical Optics surface integral by a hybrid CPU-graphical processing approach. The resulting code needs more CPU power for ...
  • Filtering and segmentation of polarimetric SAR data based on binary partition trees 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02)
    Article
    Restricted access - publisher's policy
    In this paper,we propose the use of binary partition trees (BPT) to introduce a novel region-based and multi-scale polarimetric SAR (PolSAR) data representation. The BPT structure represents homogeneous regions in the ...
  • Formación de imágenes 3D de reflectividad radar en campo próximo con geometría de exploración esférica 

    Broquetas Ibars, Antoni; Jofre Roca, Lluís (1994)
    Conference report
    Open Access
    This document presents an algorithm for the reconstruction of 3D radar reflectivity images using spherical-wave ISAR techniques. The target is illuminated with an spherical wave and near-field backscatterig measurements ...