Exploració per tema "Radar"

Ara es mostren els items 256-275 de 322

    • Quality control of Doppler spectra from a vertically pointing, S-band profiling radar 

      Belak, Susan L.; Tanamachi, Robin; Asel, Matthew L.; Dennany, Grant; Gnanasambandam, Abhiram; Frasier, Steve; Rocadenbosch Burillo, Francisco (American Meteorological Society, 2024-02-21)
      Article
      Accés restringit per política de l'editorial
      This study describes a novel combination of methods to remove spurious spectral peaks, or “spurs,” from Doppler spectra produced by a vertically pointing, S-band radar. The University of Massachusetts S-band frequency-modulated, ...

    • El Radar : de dónde viene y hacia dónde va 

      Broquetas Ibars, Antoni (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1994)
      Article
      Accés obert

    • Radar biestàtic sincronitzat per Hitchhiking 

      Pous i Sabadí, Carles; Aguasca Solé, Alberto; Elias Fusté, Antoni; Broquetas Ibars, Antoni (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1993)
      Article
      Accés obert

    • Radar Doppler de bajo coste como sensor de alarma en tecnología impresa 

      de los Reyes, Elías; Ferrando Bataller, Miquel; Elias Fusté, Antoni; Corbella Sanahuja, Ignasi (1981)
      Text en actes de congrés
      Accés obert
      General configurations for homodyne Doppler Radars for intruder detection are presented. A prototype on microstrip technology has been realized which exhibits excellent performances at a low component cost. This prototype ...

    • Radar en Banda W (94 GHz) para aplicaciones meteorológicas 

      Zhu, Yanfang (Universitat Politècnica de Catalunya, 2015-06)
      Treball Final de Grau
      Accés obert
      design the radar system which operates at 94GHz for measurements of clouds

    • Radar on RAIA: High frequency radars in the RAIA Observatory 

      Piedracoba Varela, Silvia; Allen-Perkins, Silvia; Ayensa Aguirre, Miren Garbiñe; Álvarez Fanjul, Enrique; Basañez Mercader, Ana María; Almeida Costa, Alexandre; dos Santos Fernandes, Carlos Alberto; Gil Coto, Miguel; Lorente Jiménez, Pablo; Matos, José; Montero Vilar, Pedro; Oliveira, Lino; Pérez Muñuzuri, Vicente; Redondo Caride, Waldo; Rosón Porto, Gabriel; Gil Ruíz de la Serna, María Isabel; Ribeiro, Catarina; Seca, J.; Torres López, Silvia; Varela Benvenuto, Ramiro Alberto; Vázquez Fernández, Marta; Vila Taboada, Begoña; Ríos Viqueira, José Ramón (SARTI, 2021)
      Article
      Accés obert
      The RADAR ON RAIA project aims to update and extend beyond the Galician border the High Frequency (HF) radar network that has been operating since 2011 in the framework of the RAIA Observatory. The Project is allowing the ...

    • Radar sensor system for monitoring elderly people at home 

      Catalán Mor, Joan Bru (Universitat Politècnica de Catalunya, 2018-01)
      Treball Final de Grau
      Accés obert
      Considering the aging society tendency that the whole world is experiencing, the percentage of elderly people will incrementally represent a larger share of the total population. Older adults are more prone to develop ...

    • Radar system based on Frequency-Modulated Continuous Wave transmission 

      Cañellas Cruz, Ferran (Universitat Politècnica de Catalunya, 2016-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Danmarks tekniske universitet
      The appearance of the first wireless sensors attracted the idea of using this technology to detect and monitor human vital signs. With this, lots of non-medical applications became possible, like detecting trapped victims ...

    • Radiometric sensitivity computation in aperture synthesis interferometric radiometry 

      Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Torres Torres, Francisco (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-03-01)
      Article
      Accés obert
      This paper is concerned with the radiometric sensitivity computation of an aperture synthesis interferometric radiometer devoted to Earth observation. The impact of system parameters and the use of simultaneous redundant ...

    • Radiometric Sensitivity Computation in Aperture Synthesis Interferometric Radiometry 

      Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Torres Torres, Francisco (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-03-31)
      Article
      Accés obert
      This paper is concerned with the radiometric sensitivity computation of an aperture synthesis interferometric radiometer devoted to Earth observation. The impact of system parameters and the use of simultaneous redundant ...

    • Radomos para radares de automoción 

      Sont Colomer, Roberto (Universitat Politècnica de Catalunya, 2017-06)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Randomizing ties in a sign radar detector 

      Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo; Lagunas Hernandez, Miguel A.; García Gómez, Ramón; Martín Funke, Enrique (Imperial College Press (ICP), 1981)
      Text en actes de congrés
      Accés obert
      A general formulation to consider the effects of typical randomization methods (RMs) for a digital application of Generalized Sign Test (GST) detector in Radar is introduced. A first approximation leads us to some basic ...

    • RCA Method for comparison of objects 

      Otal Rodriguez, Daniel (Universitat Politècnica de Catalunya, 2016-04)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Recent technical innovations around HF radar technology and steps towards integrated national HF radar networks 

      López, Ismael; Alonso-Martirena, Andrés; Sánchez, Jorge; Agostinho, Pedro; Fernandes, Maria; Benmoussa, Zouhair; Oulhassan, Abderrahim (SARTI, 2016)
      Comunicació de congrés
      Accés obert
      HF Radar is a proven technology for ocean observing that has at present more than 600 references in the world and which is since April 2016 in application on all continents for the purpose of 2D surface currents and waves ...

    • Receptor biestático sin enlace dedicado con el transmisor 

      Aguasca Solé, Alberto; Broquetas Ibars, Antoni; Elias Fusté, Antoni (Unión Científica Internacional de Radio (URSI), 1990)
      Text en actes de congrés
      Accés obert
      This paper presents an introduction to the study and development of a new concept of Bistatic Radar Receiver, which eliminates any kind of direct microwave or optical fiber link between them. It is based on discret phase-lock ...

    • Reconstrucción de la reflectividad de blancos radar 

      Broquetas Ibars, Antoni; Rius Casals, Juan Manuel; Fabregas Canovas, Francisco Javier; Galmes, S; Jofre Roca, Lluís (Unión Científica Internacional de Radio (URSI), 1989)
      Text en actes de congrés
      Accés obert
      Processing radar cross section data is possible to image sorne properties of a target. The paper presents two radar imaging algorithms allowing the reconstruction of reflectivi ty distribution of the target or i ts ...

    • Refined estimation of time-varying baseline errors in airborne SAR interferometry 

      Reigber, Andreas; Prats Iraola, Pau; Mallorquí Franquet, Jordi Joan (IEEE, 2006-01-31)
      Article
      Accés obert
      The processing of airborne synthetic aperture radar (SAR) data requires a precise compensation of the deviations of the platform movement from a straight line. This is usually carried out by recording the trajectory with ...

    • Relationship between aquarius L-band active and passive multi-year observations over Australia 

      de Quadras Gambús, María (Universitat Politècnica de Catalunya, 2016)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Monash University
      The aim of this Thesis is to further our understanding of the geophysical information that can be estimated from active and passive L-band sensors. All data was obtained from NASA's satellite Aquarius durin the period Sept. ...

    • Remote ambient vibration measurements with real aperture radar to estimate buildings dynamic properties 

      Alva Bañuelos, Rodrigo Esteban; González Drigo, José Ramón; Luzi, Guido; Caselles Magallón, Josep Oriol; Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Pinzón Ureña, Luis (Institute of Structural Analysis and Antiseismic Research School of Civil Engineering. National Technical University of Athens (NTUA), 2019)
      Text en actes de congrés
      Accés obert
      The use of sensors to obtain the dynamic properties of structures by means of ambient vibrations has become a common practice. However, conventional and more extensively used methods require the installation of sensors, ...

    • Remote bistatic receiver synchronization using DLL techniques 

      Aguasca Solé, Alberto; Broquetas Ibars, Antoni; Fernández de Muniain Comajuncosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 1992)
      Text en actes de congrés
      Accés obert
      Pulse to pulse staggering in the pulse reference interval (PRI), usually used to increase the radar unambiguous range and MTI blind speeds, complicates notably the synchronization of the pulsed waveform. A free running ...