Exploració per tema "Satellites"

Ara es mostren els items 21-40 de 93

    • Desarrollo de objetivo óptico embarcable en satélite 

      Sánchez Linares, Carlos (Universitat Politècnica de Catalunya, 2022-02-02)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Design and implementation of the software for an extensible network of satellite ground stations 

      Garcia Espriu, Aina (Universitat Politècnica de Catalunya, 2020-04)
      Treball Final de Grau
      Accés obert
      Amb l'increment del número de constel·lacions de satèl·lits, cada cop es necessiten més Ground Stations per tal de controlar-les. Això dificulta més i més la seva gestió i operació, implicant també un augment en la càrrega ...

    • Design of a femto-satellite for high-altitude thermospheric studies 

      Moschtaq, Mohammad Raschiq (Universitat Politècnica de Catalunya, 2021-02-12)
      Projecte Final de Màster Oficial
      Accés obert
      This work deals with the design of a femto-satellite for scientific studies. The goal of the femto-satellite is to model the density of the thermosphere by measuring the orbital decay caused by atmospheric drag. The proposed ...

    • Design of an optical communication system for cubesats 

      Pla Erra, Pol (Universitat Politècnica de Catalunya, 2020-06)
      Projecte Final de Màster Oficial
      Accés obert
      This Maser Thesis is part of a projectinvestigation from the DISEN group. Within this program, the CubeSat project aims to connect several satellites to improve optical data transmission in the space. This Master Thesis ...

    • Design, development and test of ICI radiometer back-end modules in the frame of metop 2nd-gen satellite constellation 

      Albajar Garduño, Marc (Universitat Politècnica de Catalunya, 2018-10)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   TRYO
      This Thesis belongs to a scientific project realized by the TRYO Company, which is part of the aerospace sector of the SENER Group. It describes the design, analysis, measurements and results of one of the back-end modules ...

    • Design, implementation and testing of 3Cat-4 subsystems 

      Montserrat Canals, Joan (Universitat Politècnica de Catalunya, 2018-10-22)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Inside the Fly Your Satellite! competition framework, the 3Cat-4 nanosatellite developed by the NanoSat Lab constitutes an educational project designed and built primarily in-house. Within the satellite, this work focuses ...

    • Design, implementation and verification of CubeSat systems for Earth Observation 

      Pérez Portero, Adrián (Universitat Politècnica de Catalunya, 2019-05-26)
      Projecte Final de Màster Oficial
      Accés obert
      In recent years, Earth Observation (EO) technologies have surged in an attempt to better understand the world we live in, and exploit the vast amount of data that can be collected to improve our lives. The field of EO ...

    • Development of a SBAS-enabled software for integrity evaluation 

      Sala Vilar, Pol (Universitat Politècnica de Catalunya, 2009-02-28)
      Projecte/Treball Final de Carrera
      Accés obert
      This project was developed for Indra Espacio in the context of a feasibility study about the future evolution of the European SBAS system EGNOS. The goal of the project is to add the Satellite Based Augmentation ...

    • Development of systems for optical coherent intersatellite links 

      Fusté Lara, Oriol (Universitat Politècnica de Catalunya, 2021-05-26)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat

    • Détection and identification of homologous points in images 

      Espadaler Rodés, Joan (Universitat Politècnica de Catalunya, 2013-05)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   École nationale supérieure des télécommunications
      [ANGLÈS] Several correlation algorithms for satellite and aerial images are studied in this project to detect homologous key-points. These key-points are used to georeference images. Particularly, of a metric based on ...

    • Diseño e implementación de un sistema para la distribución multicast sobre redes IP de señales radio digitalizadas. Aplicación a la estación de seguimiento de satélites de Terrassa (TGS) 

      Sánchez Fernández, Manuel (Universitat Politècnica de Catalunya, 2019-05-10)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      En este proyecto de fin de grado se ha implementado un servidor SAP/SDPque permiteanunciar sesionesen tiempo realpara el paso de satélites de órbita baja de la Terrassa Ground Stationa los usuarios que lo necesiten. Con ...

    • Dna satellites are transcribed as part of the non-coding genome in eukaryotes and bacteria 

      Subirana Torrent, Juan A.; Messeguer Peypoch, Xavier (2021-10-20)
      Article
      Accés obert
      It has been shown in recent years that many repeated sequences in the genome are expressed as RNA transcripts, although the role of such RNAs is poorly understood. Some isolated and tandem repeats (satellites) have been ...

    • Error propagation analysis in the processing of sar images for subsidence measuraments 

      Testolina, Paolo (Universitat Politècnica de Catalunya, 2018-07)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Università degli Studi di Padova
      Every measurement of the physical world is affected by uncertainty, no matter how precise the available instruments are. In other words, a measure completely free of errors is not possible. Being able to quantify this ...

    • Error propagation in microwave soil moisture and vegetation optical depth retrievals 

      Feldman, Andrew F.; Chaparro Danon, David; Entekhabi, Dara (2021-01-01)
      Article
      Accés obert
      Satellite soil moisture and vegetation optical depth [(VOD); related to the total vegetation water mass per unit area] are increasingly being used to study water relations in the soil-plant continuum across the globe. ...

    • Estimació de la humitat del sòl en alta resolució utilitzant dades de satèl·lit 

      Pagés Trallero, Esther (Universitat Politècnica de Catalunya, 2024-02-02)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • FBMC-based random access signal design and detection for LEO base stations 

      Caus López, Màrius; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2022-10-04)
      Article
      Accés obert
      The integration of non-terrestrial networks into the 5G ecosystem is mainly driven by the possibility of provisioning service in remote areas. In this context, the advent of flying base stations at the low Earth orbit (LEO) ...

    • First Delay Doppler Maps obtained with the Microwave Interferometric Reflectometer (MIR) 

      Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The use of Global Navigation Satellite System (GNSS) signals for mesoscale altimetry was first proposed in [1]. Since then, many experiments and a couple of space missions have been carried out to validate the concept in ...

    • Fusió d’imatges de satèl·lit. Implementació en OpenEV 

      Gómez Clapers, Joan (Universitat Politècnica de Catalunya, 2007-11-07)
      Projecte/Treball Final de Carrera
      Accés obert
      L’objectiu d’aquest treball és generar una documentació suficient com per poder crear, en posteriors projectes, un software a través del qual es pugui treballar amb dades generades a partir d’imatges de satèl·lit. El sistema ...

    • gLAB upgrade with EGNOS data processing 

      Ibáñez Segura, Deimos (Universitat Politècnica de Catalunya, 2016-06)
      Projecte/Treball Final de Carrera
      Accés obert
      gLAB is a free open-source software to process GNSS data. The first release of this software package allows full processing capability of GPS data, and partial handling of Galileo and GLONASS data. EGNOS is the european ...

    • Improving root zone soil moisture estimation from surface remote sensing measurements 

      Mengyi, Gao (Universitat Politècnica de Catalunya, 2021-10-28)
      Projecte Final de Màster Oficial
      Accés obert
      Satellite soil moisture provides a wider range of spatial data than in-situ observations. Satellites are sensitive to measuring soil moisture in a few centimetres of the soil layer. However, root zone soil moisture is more ...