Using GNU Radio Companion to improve student understanding of signal processing theory through VHF Omni-Directional Range (VOR) signal demodulation
Abstract
The École Nationale de l'Aviation Civile (ENAC), the French Civil Aviation University, proposes a graduate engineer program with, among three others, a major in Aeronautical and Space Telecommunications (SAT). This major is characterized by advanced theoretical courses in signal theory, signal processing, digital communications and navigation in particular. Some practicals are given to help the students understanding specific points in these courses. However, this scattered approach does not provide any hindsight on the interest and the usefulness of these courses, either independently nor together. This is the reason why these practicals are completed by a long project which proposes, as a global case of application, to demodulate a VHF Omni-Directional Range (VOR) signal. This paper details this long project, from its pedagogical approach to some interesting points of its implementation.
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