Exploració per tema "Nyquist"

Ara es mostren els items 1-5 de 5

    • Colorless FDMA-PON with flexible bandwidth allocation and colorless, low-speed ONUs [invited] 

      Schindler, Philipp C.; Schmogrow, Rene M.; Dreschmann, Michael; Meyer, Joachim; Tomkos, Ioannis; Prat Gomà, Josep Joan; Krimmel, Heinz-Georg; Pfeiffer, Thomas; Kourtessis, Pandelis; Ludwig, A.; Karnick, D.; Hillerkuss, David; Becker, Juergen; Koos, Christian; Freude, Wolfgang; Leuthold, Juerg (Institute of Electrical and Electronics Engineers (IEEE), 2013-10)
      Article
      Accés restringit per política de l'editorial
      We demonstrate a remotely seeded flexible passive optical network (PON) with multiple low-speed subscribers but only a single optical line terminal transceiver operating at a data rate of 31.25 Gbits/s. The scheme is based ...

    • Effect of lateral laser-cladding process on the corrosion performance of Inconel 625 

      Rezayat, Mohammad; Sani, Amirhossein Aboutorabi; Talafi Noghani, Mohammad; Yazdi, Morteza Saghafi; Taheri, Morteza; Moghanian, Imam; Mohammadi, Mohammad Abedini; Mateo García, Antonio Manuel; Besharatloo, Hossein (Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-11)
      Article
      Accés obert
      This study aimed to evaluate the corrosion properties of different samples coated by the laser-cladding method to find the optimal laser parameters. Thereby, potentiodynamic polarization (Tafel) and electrochemical impedance ...

    • Implementación de un transceiver con pulsos de Nyquist en Fpga mediante Simulink 

      García García, Daniel (Universitat Politècnica de Catalunya, 2017-01)
      Treball Final de Grau
      Accés obert
      Nowadays, the high demand of data on communication systems has made essential the optimization of resources, especially in terms of spectral efficiency and responsible use of the network installation. In this thesis, a ...

    • Investigation on Nyquist Modulation and Multiplexing for Fiber-Optic Communications 

      Jubany Ticó, Marc (Universitat Politècnica de Catalunya, 2016-02)
      Treball Final de Grau
      Accés obert
      Nowadays, the society in which we live, the need to communicate increases every day; therefore, there is a need to improve both spectral efficiency and methods of transmitting data faster. This thesis analyses a new ...

    • Optoelectronic devices for next generation optical fiber communications 

      Rueda Rodríguez, Luis Antonio (Universitat Politècnica de Catalunya, 2016-07-14)
      Treball Final de Grau
      Accés obert
      To meet the high demand on data traffic, it is essential the optimization of optical communication systems, specially, in terms of spectral efficiency as well as transmission rate In this thesis, the study carried out two ...