FIELD: communications technology.
SUBSTANCE: invention can be used in communications equipment. The technical result consists in increasing the noise immunity of communication means by ensuring signal isolation under conditions of interference with time-varying power. This is achieved by the fact that in the method the adopted additive mixture of signal and noise is squared. The resulting signal is simultaneously filtered by a low-pass filter and a band-pass filter. After filtering, the signal samples are subtracted from each other, and the subtraction results are summed. From the resulting sum, the value of the sum of differences obtained by the same algorithm during the time interval of interference analysis is subtracted. The time intervals in which information is received are formed as a sequence of pairs of intervals, in the first of which the power of the interference is determined, and in the second the power of the mixture of signal and interference is determined. Based on the results of the analysis of two successive measurements of the interference power, the value of the duration of the second interval of each pair of time intervals is set equal to the value whose value is determined in accordance with the pre-calculated dependences of the value of the second time interval on the value of the modulus of the difference between the interference power values.
EFFECT: increasing the noise immunity of communication means by ensuring signal isolation under conditions of interference with time-varying power.
1 cl, 8 dwg
