Exploració per tema "Radar"
Ara es mostren els items 54-73 de 322
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Aplicació de Radars compactes d'ona mil·limètrica a la detecció ocular
(Universitat Politècnica de Catalunya, 2019-10)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Aplicación de imágenes de satélite SAR,en los estudios de contaminación marina y de dinámica de las aguas en el mediterráneo noroccidental
(Universitat Politècnica de Catalunya, 2002-07-19)
Tesi
Accés obertThis thesis presents diverse theoretical and practical applications of the ERS 1/2 and RADARSAT satellite images of the Synthetic Aperture Radar SAR sensor (near 330 images in the Northwest Mediterranean NWM and 980 in ... -
Aplicación de los generadores de forma de onda arbitraria en la simulación de señales radar
(1992)
Text en actes de congrés
Accés obert -
Aplicación de sistemas PLL en la recuperación del sincronismo de portadora para un radar Biestatico coherente
(1991)
Text en actes de congrés
Accés obertA bistatic radar, which allows to process the target velocity information, must synchronize the phase and the frequency of the transmitted carrier to demodulate coherently the radar echoes. The paper presents a PLL system ... -
Aplicación del análisis fractal al estudio de las estructuras dinámicas de fluidos medioambientales
(Fundación para el Fomento de la Ingeniería del Agua, 2008-09)
Article
Accés obertLa aparición de múltiples escalas, que interactúan entre si en diversos fenómenos físicos medioambientales, especialmente cuando el régimen fluido es turbulento, exige métodos de análisis nuevos. El análisis multi-fractal ... -
Approach to velocity and acceleration measurement in the Bi-Directional SAR imaging mode
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents an initial analysis of the possibilities for velocity and acceleration m easurement with the Bi- Directional SAR imaging mode (BiDi). It comprises single satellite single path acquisitions as well ... -
Arbitrary wave synthesis using spectral transformations
(Institute of Electrical and Electronics Engineers (IEEE), 1993)
Text en actes de congrés
Accés obertThe different transformations among plane, cylindrical and spherical spectrum allow to tackle the arbitrary field synthesis from a set of known sources. Putting all the spectrums in the same coordinate axis we can obtain ... -
Architecting optimized spaceborne Earth observation missions
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialSpaceborne constellations composed by several heterogeneous platforms are an actual solution to undertake Earth Observation missions. However, designing such missions present problems due to the heterogeneity and the ... -
Array antena SIW 24 GHz para radar de automóviles
(Universitat Politècnica de Catalunya, 2015-05-21)
Treball Final de Grau
Accés obertIn this project a flat antenna array on Substrate Integrated Waveguide technology (SIW) has been designed, simulated and built to be used in automotive radar at 24 GHz. The software used in the simulation, configuration ... -
Ascending-descending orbit combination SAR interferometry assessment
(ESA Publications Division, 1997)
Text en actes de congrés
Accés obertAscending-descending orbit combination for DEM generation is very promising technique which can be used to fill in ome gaps in the DEMs caused by the geometric deformations or SAR images. The benefits from the combination ... -
Assesment of atmospheric phase screen impact on Geosynchronous SAR
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe paper evaluates the effects of Atmospheric Phase Screen on focused Geosynchronous SAR data. We derive theoretical models for the resolution, the interferometric de-correlation and the induced clutter in presence of an ... -
Assessment of L-Band SAR polarimetry for soil and crop monitoring
(VDE-Verlag, 2016)
Comunicació de congrés
Accés restringit per política de l'editorialNear-future L-band fully polarimetric Synthetic Aperture Radar (SAR) missions will provide meaningful and timely information over agricultural lands. In this paper, we evaluate the potential of L-band SAR polarimetry for ... -
Atmospheric artifacts correction with a covariance-weighted linear model over mountainous regions
(Institute of Electrical and Electronics Engineers (IEEE), 2018-12-01)
Article
Accés obertMitigating the atmospheric phase delay is one of the largest challenges faced by the differential synthetic aperture radar (SAR) interferometry community. Recently, many publications have studied correcting the stratified ... -
Atmospheric phase screen retrieval from GEOSAR long term acquisition
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, a GEOSAR mission with typical LEOSAR parameters but longer integration time to increase the received power is presented. Such systems can provide images of large areas with continuous monitoring. The revisit ... -
Atmospheric Remote Sensing and Adaptive Processing: Boundary-Layer radar observation in the context of U.S. VORTEX project
(Universitat Politècnica de Catalunya, 2020-06-29)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Automotive radar and radome calibration to improve the direction of arrival detection performance
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialAn assessment of the improvement in the Direction of Arrival (DoA) measurements in automotive radar sensor by joint calibration of the radar sensor plus the radome is presented. Nowadays, radar sensors are calibrated before ... -
Automotive radar sensor characteritzation at 77GHz band.
(Universitat Politècnica de Catalunya, 2023-05-26)
Treball Final de Grau
Accés restringit per acord de confidencialitatAutomotive radars are used to determine the distance and speed of objects that are close to the vehicle. In this project an automotive radar has been characterized in order to prepare a suitable set-up to measure radomes ... -
Beam alignment for vehicle-to-infrastructure communications using IEEE 802.11ad radar
(Universitat Politècnica de Catalunya, 2017-10-19)
Treball Final de Grau
Accés obertThis work suggests a MAC modification of the 802.11ad standard in order to accommodate a radar application that reuses the stanrdard, for communications V2I (Vehicle-to-Infrasatructure). This radar will be used a substitute ... -
Benchmarking vector accelerators with an automotive application
(Universitat Politècnica de Catalunya, 2023-06-29)
Projecte Final de Màster Oficial
Accés obertThis project focuses on the development and optimization of an automotive radar application.The project aims to generate a functional version of the application in collaboration with Infineon Germany. The implementation ... -
Calibració i ajustament d'un cloud-radar a banda W
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés obertThis project is focused on the characterization, calibration and the improvement of the radar that works at 94 GHz. The aim of this project is that the radar detects clouds and then analyzes the data. The first part of the ...