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 574
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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 ... -
(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-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-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-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 ... -
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 nanosatellite mission: development of the ground station
(Universitat Politècnica de Catalunya, 2023-07-07)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatThis project focuses on the development of a versatile and adaptable ground station, that can be fully operated remotely, so as to meet the mission requirements of the 3Cat-4 satellite. This ground station, has been ... -
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 ... -
A 3D printed lens antenna for 5G applications
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés obertA switchable multi-antenna architecture for lens-assisted beamsteering in the Ka-band region allocated for 5G communications (24-30 GHz) is proposed. The radiating elements are bow-tie antennas mounted with a 3D printed ... -
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 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 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. ... -
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 design strategy for phase synchronization in precoding-enabled DVB-S2X user terminals
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertThis paper address the design of a phase tracking block for the DVB-S2X user terminals in a satellite precoding system. The spectral characteristics of the phase noise introduced by the oscillator, the channel, and the ... -
A design-oriented characterization framework for decentralized, distributed, autonomous systems: the nano-satellite swarm case
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThe design of autonomous operational schemes for distributed, decentralized systems is expected to bring multiple qualities to systems of this kind. One of their instances are Earth-observing swarms of nano-satellites, in ... -
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 ... -
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
Accés obert