FIELD: communication engineering. SUBSTANCE: system transmitter has series-connected antenna, buffer storage, coder, modulators, amplifier, and one more antenna. Connected to modulator is carrier generator and to other modulator, pseudorandom sequence generator whose second output is connected through frequency multiplier and switch to buffer storage. Receiver has series-connected antenna, amplifier, modulator, coherent detector, solver, noise-immune code decoder, data sink. Connected to first and second inputs of demodulator is search and synchronism maintaining device whose second output is connected through frequency multiplier and switch to frame synchronizer. In addition, carrier recovery device is inserted between two inputs of coherent detector. EFFECT: reduced time of digital data transmission, simplified design, improved noise immunity. 1 dwg
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