Ara es mostren els items 41-60 de 282

    • Construcció d'un simulador magnètic terrestre basat en bobines de Helmholtz per assajos amb CubeSats 

      Bastardas López, Sergi (Universitat Politècnica de Catalunya, 2022-10-24)
      Treball Final de Grau
      Accés obert
      Aquest Treball de Fi d’Estudis consisteix en la construcció d’un simulador magnètic terrestre per assajos de CubeSats i simular una missió espacial des del laboratori. El simulador magnètic que es construirà ja ha estat ...
    • Contributions to satellite subsystem models and communications link emulation 

      Romero Aguirre, Antonio (Universitat Politècnica de Catalunya, 2022-07-06)
      Treball Final de Grau
      Accés obert
      During last years, space missions have evolved from monolithic spacecrafts architectures, to distributed ones, which are known as Distribute Satellite Systems (DSS). This spacecraft architecture has changed the space ...
    • Control en modo deslizante aplicado a sistemas de acondicionamiento de potencia de satélites 

      Calvente Calvo, Francisco Javier (Universitat Politècnica de Catalunya, 2001-12-14)
      Tesi
      Accés obert
      El sistema de acondicionamiento de potencia es clave para el funcionamiento correcto del resto de sistemas eléctricos de un satélite. Los reguladores conmutados continua - continua son las piezas que enlazan los paneles ...
    • Correcting image blurring induced by the ADCS jitter in cubesats 

      Llaveria Godoy, David; Camps Carmona, Adriano José; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Attitude determination and control systems (ADCS) are critical in many satellite missions, especially when high pointing accuracy is needed, such as in optical imagers. Current actuators used to control the platform's ...
    • CubeCat-1: implementation, testing and integration of the communication subsystem 

      Flores Pozo, Kattia Giovana (Universitat Politècnica de Catalunya, 2012-07-26)
      Projecte Final de Màster Oficial
      Accés obert
      ABSTRACT CubeCat-1 is an educational oriented Cubesat - a standard, small form factor satellite project started in 2008 in the UPC in Barcelona, under the supervision of professors Adriano Camps and Juan Ramos, with many ...
    • Cubesat science mission proposal and communications subsystem demonstrator 

      Cano Marí, Roger (Universitat Politècnica de Catalunya, 2018-09-14)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   European Space Astronomy Centre
      This Master Thesis is performed under the 2017 ESAC Trainee Project program which covers the development of a low-budget VHF-UHF automated ground station intended for CubeSat satellite operation. While this type of ground ...
    • Daphne: an Intelligent Cognitive Assistant for the design of Earth observing satellites 

      Prat i Sala, Arnau (Universitat Politècnica de Catalunya, 2017-09-25)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Cornell University
      This thesis introduces Daphne, an Intelligent Cognitive Assistant (ICA) designed to help engineers architect Earth observing satellite systems. The purpose of this thesis is threefold: 1) develop the interfaces through ...
    • Data access layer optimization of the Gaia data processing in Barcelona for spatially arranged data 

      Ronchini, Francesca (Universitat Politècnica de Catalunya, 2016-07-07)
      Projecte Final de Màster Oficial
      Accés obert
      Gaia is an ambitious astrometric space mission adopted within the scientific programme of the European Space Agency (ESA) in October 2000. It measures with very high accuracy the positions and velocities of a large number ...
    • Decentralized factoring for self-sovereign identities 

      Mohammadzadeh, Nasibeh; Nogoorani, Sadegh Dorri; Muñoz Tapia, José Luis (2021-06-18)
      Article
      Accés obert
      Invoice factoring is a handy tool for developing businesses that face liq- uidity problems. The main property that a factoring system needs to fulfill is to prevent an invoice from being factored twice. Distributed ledger ...
    • Deep Learning for semantic segmentation and super-resolution of multispectral satellite imaging 

      Abadal Lloret, Saüc (Universitat Politècnica de Catalunya, 2021-06)
      Treball Final de Grau
      Accés obert
      In the last few years, space agencies have deployed a large number of Earth-observing satellites and the key towards their full exploitation is fully automated analysis methods, which call for new tools to extract reliable ...
    • Demonstration of the federated satellite systems concept for future earth observation satellite missions 

      Ruiz De Azúa Ortega, Juan Adrián; Fernandez Capon, Lara Pilar; Badia Ballús, Marc; Martón González, Albert; Garzaniti, Nicola; Calveras Augé, Anna M.; Golkar, Alessandro; Camps Carmona, Adriano José (2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In the last years, the need to access Earth Observation high spatial resolution data with very low latency, ideally in near-real-time, has increased. Distributed Satellite Systems have emerged as an effective and efficient ...
    • Deployable Fresnel zone plate antenna for CubeSats 

      García Morilla, Alejandro; Márquez Alperi, Adrián; Contreras Benito, Luis Juan; Camps Carmona, Adriano José (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      Earth Observation satellite missions can provide global and frequent coverage. In the past decade we have seen an explosion of these missions based on three unit CubeSats, notably with Planet and Spire constellations of ...
    • Deployable mechanism for CubeSat antennas 

      García Morilla, Alejandro (Universitat Politècnica de Catalunya, 2021-07-06)
      Treball Final de Grau
      Accés obert
      Nowadays, nanosatellites are gaining momentum in the space sector thanks to their develop and launch reduced costs, attracting the attention of many universities and companies. The NanoSat Lab, located in the Universitat ...
    • Deployable parabolic reflector antenna for CubeSats 

      Moliner Préjano, Álvaro (Universitat Politècnica de Catalunya, 2021-06)
      Treball Final de Grau
      Accés obert
      The objective of this Final Degree Thesis is to design and build a deployable parabolic reflector for a CubeSat. An optimal shape for the reflector has been studied and proposed, and the relationship of surface accuracy ...
    • Deriving VTEC maps from SMOS radiometric data 

      Rubino, Roselena; Duffo Ubeda, Núria; González Gambau, Verónica; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Durán Martínez, Israel; Martín Neira, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-01)
      Comunicació de congrés
      Accés obert
      In this work, a new methodology is proposed in order to derive vertical total electron content (VTEC) maps from the radiometric measurements of the Soil Moisture and Ocean Salinity (SMOS) mission as an alternative approach ...
    • Desarrollo de una placa de control de actitud 2D para un prototipo de CubeSat con pares magnéticos y ruedas de inercia 

      Morales Krueger, Jordan (Universitat Politècnica de Catalunya, 2021-07-21)
      Treball Final de Grau
      Accés obert
      El grupo de investigación DISEN (Distributed Sensor Networks) de la Universitat Politècnica de Catalunya (UPC) en Terrassa, a través del proyecto PLATHON (Integrated Hardware in the loop simulation PLATform of Optical ...
    • Desenvolupament de satèl·lits: els Cubesats 

      Puig-Suari, Jordi (2019-06-14)
      Audiovisual
      Accés obert
      Xerrada del professor de Mecànica i Enginyeria Aeroespacial de la Universitat Politècnica Estatal de California (Cal Poly) sobre aquests microsatèl·lits de recerca espacial anomenats Cubesats, normalment amb un volum d'1 ...
    • Design and calibration process of solar sensors for small satellite missions 

      Porras Hermoso, Angel; Alfonso Corcuera, Daniel; Piqueras, Javier; Roibás Millán, Elena; Cubas, Javier; Pérez Álvarez, Javier; Pindado, Santiago (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      In combination with magnetometers, solar sensors are one of the most used instruments for determining the attitude of small satellites. These devices use the photoelectric effect to produce an electrical current. This ...
    • Design and development of a cognitive assistant for the architecting of earth observing satellites 

      Virós Martin, Antoni (Universitat Politècnica de Catalunya, 2017-09)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Cornell University
      The aim of this thesis is to develop a cognitive assistant for architecting earth observation satellite systems. The motivation for such a system comes from both the recent commercial success of different cognitive ...
    • Design and development of a power architecture for cubesats 

      Van Bocxlaer, Simon (Universitat Politècnica de Catalunya, 2021-06-22)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Odisee VZW
      This project aims to realize an Electric Power System (EPS) for a cubesat model that is a part of the PLATHON-project. This project is executed by the research group TIEG (Terrassa Industrial Electronics Group). An EPS is ...