Exploració per tema "Teledetecció"
Ara es mostren els items 1-20 de 693
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2000 days of SMOS at the Barcelona Expert Centre: a tribute to the work of Jordi Font
(2016-09-01)
Article
Accés obertSoil Moisture and Ocean Salinity (SMOS) is the first satellite mission capable of measuring sea surface salinity and soil moisture from space. Its novel instrument (the L-band radiometer MIRAS) has required the development ... -
3CAT-2, an experimental nano-satellite for GNSS-R earth observation: mission concept and analysis
(2016-10-01)
Article
Accés obertGlobal navigation satellite system reflectometry is a multistatic radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatiotemporal sampling over current space-borne missions. The ... -
3Cat-2: A P(Y) and C/A GNSS-R experimental nano-satellite mission
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorial3Cat-2 is a 6 U CubeSat mission designed to perform ocean altimetry by means of Global Navigation Satellite Systems Reflectometry (GNSS-R). In this paper 3Cat-2 mission is presented. The main payload is the novel dual-band ... -
3CAT-3/MOTS, an experimental nanosatellite for multispectra and GNSS-R Earth Observation: Mission concept and analysis
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialThe 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ... -
3CAT-3/MOTS, an experimental nanosatellite for multispectral and GNSS-R earth observation: airborne optical and GNSS-R campaign
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThe 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ... -
3Cat-4: combined GNSS-R, L-Band radiometer with RFI mitigation, and AIS receiver for a I-Unit Cubesat based on software defined radio
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThe 3 Cat-4 mission aims to demonstrate the capabilities of nano-satellites plus the versatility of a Software Defined Radio for passive Earth Observation. Three different microwave payloads are integrated into a single ... -
3D Reconstruction of vegetation from orthophotos
(Universitat Politècnica de Catalunya, 2013-06-21)
Treball Final de Grau
Accés obert[CATALÀ] Mitjançant tècniques de Visió per Computador som capaços de detectar i classificar la flora present en una ortofoto. A partir d'aquesta informació, i d'un conjunt de models de plantes en 3D que generem, elaborem ... -
A 1-D radiative transfer study of mineral dust during CHARMEX/ADRIMED 2013 campaign
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialA 1-D radiative transfer study is presented based on the measurements performed at Granada during a dust event within the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct Radiative ... -
A comparative study of operational vessel detectors for maritime surveillance using satellite-borne synthetic aperture radar
(2016-06-01)
Article
Accés obertThis paper presents a comparative study among four operational detectors that work by automatically post-processing synthetic aperture radar (SAR) images acquired from the satellite platforms RADARSAT-2 and COSMO-SkyMed. ... -
A comparison of different optimisation search methodologies for self-optimisation in wireless cellular networks
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialSelf-Organising Networks (SON) concept is seen as a way to reduce costs by automating functionalities such as network optimisation usually performed manually with extensive human work time. This paper provides a general ... -
A comparison of different techniques for atmospheric artefact compensation in GBSAR differential acquisitions
(IEEE, 2006)
Text en actes de congrés
Accés obertIn this paper, a comparison of different techniques for compensating the atmospheric artifacts in Ground-Based SAR zero-baseline acquisitions at X-Band is presented. The way the fluctuation of atmospheric parameters like ... -
A comparison of phase unwrapping techniques in synthetic aperture radar interferometry
(Institute of Electrical and Electronics Engineers (IEEE), 1999)
Text en actes de congrés
Accés obertA comparison of different phase unwrapping techniques based on the least mean square error is presented. A testing environment based on simulated interferograms has been created in order to assess the methods described in ... -
A controlled ground-based experiment to assess the capabilities of GNSS-R for marine litter detection in a flume
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertDetection of marine litter is an urgent task given the large amount of plastics that end up in all water systems. This manuscript provides the description and results obtained from a ground-based Global Navigation Satellite ... -
A Cubesat-ready phase synchronization digital payload for coherent distributed remote sensing missions
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertDistributed antenna arrays, fractionated payloads and cooperative platforms can provide unprecedented performance in the next generation of spaceborne communications and remote sensing systems. Remote phase synchronization ... -
A dual network for super-resolution and semantic segmentation of sentinel-2 imagery
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-12)
Article
Accés obertThere is a growing interest in the development of automated data processing workflows that provide reliable, high spatial resolution land cover maps. However, high-resolution remote sensing images are not always affordable. ... -
A generic simulator for aperture synthesis radiometers
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialESA's SMOS mission has demonstrated that Synthetic Aperture Interferometric Radiometers can be a useful tool for Earth observation. Today, the NASA's GeoStar instrument (USA), ESA's GAS instrument (Europe), or CSSAR's GIMS ... -
A geographical heuristic routing protocol for VANETs
(2016-10-01)
Article
Accés obertVehicular ad hoc networks (VANETs) leverage the communication system of Intelligent Transportation Systems (ITS). Recently, Delay-Tolerant Network (DTN) routing protocols have increased their popularity among the research ... -
A hydrodynamic model for particle beam-driven plasmon wakefield in carbon nanotubes
(Universitat Politècnica de Catalunya. Remote Sensing, Antennas, Microwaves and Superconductivity Group (CommSensLab), 2022)
Text en actes de congrés
Accés obertCharged particles moving through a carbon nanotube may be used to excite electromagnetic modes in the electron gas produced by π and σ orbitals in the cylindrical graphene shell that makes up a nanotube wall [1]. This ... -
A Ka-band Radar Interferometer: development and testing
(Universitat Politècnica de Catalunya / University of Massachusetts at Amherst, 2013-07-11)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: University of Massachusetts at Amherst[ANGLÈS] Radar interferometry is a remote sensing technique that consists in transmitting a signal and measuring the phase difference of the reflected signal between two antennas separated by a baseline. This phase difference ... -
A Ku band circularly polarized 2×2 microstrip antenna array for remote sensing applications
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper reports the development of a Circularly Polarized (CP) microstrip patch array working at Ku band and in particular between 16.9-17.2GHz for remote sensing applications. The design is based on a sequential ...