FIELD: electric communication. SUBSTANCE: system of transmission of discrete information has on transmitting side; source 1 of information; multipliers 2, adder 3, clock generator 4, generator 5 of Walsh functions, keys 6 and frequency divider 7, on receiving side: frequency dividers 14 and keys 13. EFFECT: reduction of frequency band by decrease of effective width of channels carriers. 3 dwg
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