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We introduce the fast digital algorithms for the coherent demodulation of binary and four position differential phase-shift keyed signals. These algorithms can be practically implemented with the minimum number of simple arithmetic operations over the input signal period and they are is fully compatible with the modern hardware components available. We obtain the timing diagrams of the demodulators...
We consider the advanced digital noncoherent demodulator of "integrally" coded binary phase-shift keyed signals. This demodulator requires carrying out the minimum simple arithmetic operations over the input signal period. We study its noise immunity, and we show that for relatively short codes “integrally” demodulation leads to considerable gain in comparison with step-by-step demodulation...
We are to introduce the basic fast digital coherent demodulation algorithms for the radio signals with various modulation formats, the ones that require the minimum number of simple arithmetic operations. We are demonstrating how they provide the implementation of the demodulators of the phase-shift keyed and the amplitude-modulated signals. We have determined the expressions for the probabilities...
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