Exploració per tema "Radar"
Ara es mostren els items 63-82 de 322
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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 ... -
Calibración polarimetrica de un campo compacto de medida RCS
(1991)
Text en actes de congrés
Accés obertA polarimetric calibrarion procedure for a compact range RCS measurement system is presented. This merhod is based on a marhematical model which includes al! possible errors. Some RCS measurements and ISAR images are included. -
Calibration of Raman lidar water vapor mixing ratio measurements using zenithal measurements of diffuse sunlight and a radiative transfer model
(Institute of Electrical and Electronics Engineers (IEEE), 2018-07-20)
Article
Accés obertAmong the different techniques available for measuring the atmospheric water vapor content, Raman lidars stand out as accurate instruments providing detailed profiles with high temporal and altitude resolution. Their ... -
Car radome measurement system
(Universitat Politècnica de Catalunya, 2019-07)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatRadars have been a key technology for enabling autonomous driving, collision avoidance and pedestrian detection are some of the uses that this technology has. Radomes play an important role for this, therefore, their correct ... -
Caracterització del sistema i de la generació precisa de senyal FM en radars de curt abast treballant a 120 GHz per aplicacions biomèdiques
(Universitat Politècnica de Catalunya, 2018-06)
Treball Final de Grau
Accés restringit per acord de confidencialitatAquest projecte consisteix en revisar, caracteritzar i redissenyar si és necessari les diferents parts que componen un prototip biomèdic basat en la tecnologia radar. Mitjançant aquesta tecnologia capaç de detectar moviments ... -
Caracterización de la circulación superficial del mar en las proximidades del Delta del Ebro
(Universitat Politècnica de Catalunya, 2018-09-28)
Treball Final de Grau
Accés obertLa variabilidad de la circulación en el mediterráneo está determinada por el efecto de los procesos locales y remotos generados por el viento, así como de la configuración de la batimetría y la línea de orilla. En este ... -
Caracterización de la densidad de los cultivos en tiempo real con técnicas de radar de microondas
(Universitat Politècnica de Catalunya, 2023-05-25)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Càlcul de la Multicobertura del sistema de vigilància aèria espanyol
(Universitat Politècnica de Catalunya, 2022-02-10)
Treball Final de Grau
Accés obertThis document will explain the design, construction and results of an application extension of the BERTA program, Enaire software in charge of calculating the projections of the coverage by line of sight of the radars of ... -
CFAR data fusion center with inhomogeneous receivers
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1992-01-02)
Article
Accés obertDetection systems with distributed sensors and data fusion are increasingly used by surveillance systems. A system formed by N inhomogeneous constant false alarm rate (CFAR) detectors (cell-averaging (CA) and ordered ... -
Change detection for economic activities monitoring using Sentinel-1 data
(Universitat Politècnica de Catalunya, 2021-06-21)
Treball Final de Grau
Accés restringit per decisió de l'autor