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Процедура когерентно-некогерентної демодуляції взаємнозаважаючих цифрових сигналів з двійковою частотною модуляцією

National Technical University of Ukraine
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  • Radio Contact
  • Coherent-Incoherent Demodulations
  • Protecting From Hindrances
  • Binary Frequency Modulation
  • радиосвязь
  • когерентно-некогерентная демодуляция
  • потенциальная помехозащищенность
  • двоичная частотная модуляция
  • радіозв’язок
  • когерентно-некогерентна демодуляція
  • потенційна завадозахищеність
  • двійкова частотна модуляція


Introduction. The synthesis procedure of coherent-incoherent demodulation of digital signals with binary frequency modulation (F3E-2) is the basic and the purpose of this article. Synthesis procedure method of coherent-incoherent demodulation of useful signal with F3E-2 which is observed with a powerful and alike hindrance with F3E-2. Coherent reception of similar hindrance with F3E-2 and incoherent reception of useful digital signal with F3E-2 in a channel with additive white noise are showed. Simplifying transformations of coherent-incoherent demodulation procedure of useful digital signal with F3E-2 in the conditions of similar powerful hindrance. Simplification of procedure of coherent-incoherent demodulations of digital signals with F3E-2 is accomplished. Conclusions. In absence of hindrance this procedure degenerates in classic incoherent demodulation of digital signal with F3E-2. This procedure can be used for programs realization of the repeated use of frequency resource and in development of perspective protection from hindrances of radio contact facilities.

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