• Accurate phase synchronization for precoding-enabled GEO multibeam satellite systems 

      Martínez Marrero, Liz; Merlano Duncan, Juan Carlos; González Rios, Jorge Luis; Krivochiza, Jevgenij; Chatzinotas, Symeon; Ottersten, Bjorn; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2024)
      Article
      Accés obert
      Synchronizing the local oscillators in multibeam satellites with the objective of coherent communications is still an open challenge. It has to be addressed to implement full-frequency reuse approaches, such as precoding ...
    • Airborne bistatic SAR receiver with the capability of use different opportunity transmitters 

      Merlano Duncan, Juan Carlos; López Dekker, Francisco J.; Mallorquí Franquet, Jordi Joan; Duque Biarge, Sergio (2008)
      Text en actes de congrés
      Accés obert
      This paper describes the design and construction of a bistatic SAR receiver suitable for airborne applications, using orbital SAR systems (ENVISAT, ERS-2, RADARSAT, TerraSAR-X among others) as opportunity transmitters. The ...
    • Back and forward bistatic interferometry 

      Duque Biarge, Sergio; López Dekker, Francisco J.; Mallorquí Franquet, Jordi Joan; Merlano Duncan, Juan Carlos (2008)
      Text en actes de congrés
      Accés obert
      This paper characterizes the interferometric phase for a fixedreceiver bistatic SAR system. Also, the expressions for the interferometric phase and image resolution cell are summarized. It will be distinguished between ...
    • Bistatic SAR along track interferometry with multiple fixed receivers 

      Duque Biarge, Sergio; López Dekker, Francisco J.; Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper presents an along-track interferometry (ATI)study for a bistatic or multiestatic SAR configuration with fixed ground receivers. This technique can be useful for sea current estimation or for any problem of Ground ...
    • Bistatic SAR tomography: processing and experimental results 

      Duque Biarge, Sergio; López Dekker, Francisco J.; Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper presents across-track tomography applied to a bistatic geometry with fixed receivers. This kind of geometry can overcome some of the classical monostatic tomography limitations such as temporal decorrelation and ...
    • Carrier phase synchronisation scheme for very long baseline coherent arrays 

      Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan; López Dekker, Francisco J. (Institution of Electrical Engineers, 2012-07-19)
      Article
      Accés restringit per política de l'editorial
      Proposed is a new carrier phase synchronisation scheme used to provide a stable phase reference to a very distant station. Channel induced phase fluctuations are characterised and compensated for with a round-trip loop ...
    • Phase synchronization scheme for very long baseline coherent arrays 

      Merlano Duncan, Juan Carlos (Universitat Politècnica de Catalunya, 2012-07-26)
      Tesi
      Accés obert
      Precise phase synchronization of clock or local oscillator signals over distributed systems is a recurring requirement in the design of a wide range of systems, with applications in telecommunications and, for example, in ...