Browsing La Salle by Subject "Ràdio--Freqüència modulada"

Now showing items 1-3 of 3

    • Digital Transmission Techniques for a Long Haul HF Link: DS-SS vs. OFDM 

      Bergadà Caramés, Pau; Alsina Pagès, Rosa Maria; Pijoan Vidal, Joan Lluís; Salvador Marín, Martí; Regué, Joan Ramon; Badia Folguera, David; Graells Castellà, Simó (Radio Science. 2014, Vol.49, No.7 (Juliol), 2014-06)
      This paper presents two digital transmission techniques for long haul ionospheric links. Since2003 we have studied the HF link between the Antarctic Spanish Base, Juan Carlos I, and Spain; and wehave ...

    • Remote Geophysical Observatory in Antarctica with HF data transmission: a Review 

      Pijoan Vidal, Joan Lluís; Altadill Felip, David; Torta Margalef, Joan Miquel; Alsina Pagès, Rosa Maria; Marsal Vinadé, Santiago; Badia Folguera, David (Remote Sensing. 2014, Vol.6 (Juliol), 2014-07)
      The geophysical observatory in the Antarctic Spanish Station Juan Carlos I (ASJI) in Livingston Island has been monitoring the magnetic field in the Antarctic region for more than fifteen years. In 2004, ...

    • Vertical and Oblique ionospheric soundings over the long haul HF link between Antarctica and Spain 

      Ads, Ahmed Gamal; Bergadà Caramés, Pau; Regué, Joan Ramon; Alsina Pagès, Rosa Maria; Pijoan Vidal, Joan Lluís; Altadill Felip, David; Badia Folguera, David; Graells Castellà, Simó (Radio Science. 2015, Vol. 50, No.9 (Setembre), 2015-09)
      This paper presents a comparative study between the oblique sounding results, theInternational Telecommunication Union Rec533 HF prediction model, and the vertical sounding results of atransequatorial ...