Exploració per tema "Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Satèl·lits i ràdioenllaços"
Ara es mostren els items 1-20 de 284
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20/30 GHz front-end for the TMS-7 receiving station of the OLYMPUS satellite
(1989)
Text en actes de congrés
Accés obertThe authors present the 20/30-GHz front-end of the TMS-7 station for performing the measurement of the flux density of one or more signal carriers received from the OLYMPUS satellite. The front-end is composed of two ... -
3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator
(European Spatial Agengy (ESA), 2014)
Comunicació de congrés
Accés obert -
3Cat-1: Attitude determination and control subsystem design
(Universitat Politècnica de Catalunya, 2013-12-10)
Treball Final de Grau
Accés obert[ANGLÈS] This project is focused on the design and implementation of an attitude control system for the satellite 3Cat-1. Using a passive system cwith permanent magnets and an active system, consisting of a coil as actuator. -
3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators
(2017)
Article
Accés obertThis article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ... -
3CAT-2: a 6U CibeSat-based multi-constellation, dual-polarization, and dual-frequency GNSS-RO experimental mission
(2015)
Text en actes de congrés
Accés restringit per política de l'editorialCat-2 Assembly, Integration and Verification (AIV) activities of the Engineering Model (EM) and the Flight Model (FM) are being carried out at present. The Attitude Determination and Control System (ADCS) and Flight ... -
(3)CAT-2: attitude determination and control system for a GNSS-R earth observation 6U CubeSat mission
(2016)
Article
Accés obertThis work describes the attitude determination and control system ( ADCS) of 3 CAT-2, a six-unit CubeSat scheduled for launch this 2016. The ADCS of 3CAT-2 aims at controlling the satellite in orbit and fulfilling the ... -
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-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 ... -
Acceso a aplicaciones desde dispositivos móviles mediante servicios Web en función del posicionamiento geográfico
(Universitat Politècnica de Catalunya, 2008-06-24)
Projecte/Treball Final de Carrera
Accés obertLa idea principal de este proyecto es ofrecer servicios a los alumnos de la universidad UPC. Los alumnos accederán a estos servicios a través de una aplicación para dispositivos móviles. La UPC está formada por diversos ... -
A comparison study on meta-heuristics for ground station scheduling problem
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés obertIn ground station scheduling problem the aim is to compute an optimal planning of communications between Spacecrafts (SCs) and operations teams of Ground Stations (GSs). While such allocation of tasks to ground stations ... -
A Cross-layer architecture for DVB-S2 Broadband Satellite systems with QoS support
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper we propose an architecture to provide Quality of Service (QoS) guarantees for DVB-S2 broadband satellite systems. The proposed architecture provides low complexity on its implementation and can seamlessly ... -
A CubeSAT payload for in-situ monitoring of pentacene degradation due to atomic oxygen etching in LEO
(2016-09-01)
Article
Accés obertThis paper reports and discusses the design and ground tests of a CubeSat payload which allows to measure, in-situ and in real time, the degradation of a polymer of electronic interest due to atomic oxygen etching in LEO. ... -
Adaptive beamforming with temporal and spatial references in satellite communications
(1990)
Text en actes de congrés
Accés obert -
Adaptive optics without wave-front sensor using the APHEFIS (Adaptive Optics by Phase Estimation from Focal Intensity Speckles) algorithm
(Universitat Politècnica de Catalunya, 2012-07-19)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] Compensation of the distorsions introduced to the optical wavefronts by the atmosphere using the algorithm APHEFIS, developed by Dr. Dirk Giggenbach. -
A downscaling approach for SMOS land observations: evaluation of high-resolution soil moisture maps over the Iberian Peninsula
(2014-09-01)
Article
Accés restringit per política de l'editorialThe ESA's Soil Moisture and Ocean Salinity (SMOS) mission is the first satellite devoted to measure the Earth's surface soil moisture. It has a spatial resolution of similar to 40 km and a 3-day revisit. In this paper, a ... -
Advanced interference mitigation techniques for the forward link of multi-beam broadband satellite systems
(2011)
Text en actes de congrés
Accés restringit per política de l'editorialHigh throughput satellite systems are expected to rely in the user link on multi-beam architectures with small beam footprints and strong frequency reuse among beams, and will therefore operate in an interference limited ... -
Advanced signal processing techniques for fixed and mobile satellite communications
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialEnabling ultra fast systems has been widely investigated during recent decades. Although polarization has been deployed from the beginning in satellite communications, nowadays it is being exploited to increase the throughput ... -
Advances in the MIR instrument: integration, control subsystem and analysis of the flight dynamics for beamsteering purposes
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialThe MIR (Microwave Interferometric Reflectometer) is a new dual frequency Global Navigation Satellite Systems Re- flectometry (GNSS-R) instrument that implements conventional and interferometric reflectometry, both with ... -
A generic level 1 simulator for spaceborne GNSS-R missions and application to GEROS-ISS ocean reflectometry
(2017-07-18)
Article
Accés obertIn the past decade Global Navigation Satellites System Reflectometry (GNSS-R) has emerged as a new technique for earth remote sensing for various applications, such as ocean altimetry and sea state monitoring. After the ... -
A Ground Station software framework and telemetry management system for Nano-satellite missions
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
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