FIELD: radio engineering.
SUBSTANCE: invention can be used in radio systems to reduce the level of out-of-band emissions. Two carrier frequency signals are formed, shifted between themselves in phase by ninety degrees, and a clock frequency signal is formed, from which a synchronizing (SS) and information (IS) pseudo-random sequences are formed. A modulating sequence is formed, the current element of which is equal to the previous one, if the current element of the SS differs from the previous element of the SS, otherwise it is equal to the current element of the cyclically shifted IS, and the second carrier signal is manipulated in phase by one hundred and eighty degrees by inverted or non-inverted elements of the modulating sequence, depending on the value of the additional transmitted bit of information and sum both signals.
EFFECT: reduction of phase jumps to ninety degrees of the generated signal, which is manipulated by carrier frequency signals.
1 cl, 1 dwg
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