Abstract

The article presents the synthesis of a mathematical model of the compensation procedure for coherent demodulation of synchronous mutually non-orthogonal digital signals with manipulation in the minimum shift keying. In the absence of interference this procedure degenerates into the procedure of classical coherent demodulation of digital signals with manipulation in the minimum shift keying. With a significant excess of the instantaneous power of interference over the instantaneous power of useful digital signals with manipulation in the minimum shift keying the immunity of reception of the latter approaches the immunity of reception in a channel with additive white Gaussian noise without interference. This mathematical model can be used in the development of modem compensators that ensure repeated use of the frequency resource, as well as in the development of promising interference -protected radio communication devices.

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