FIELD: electro-seismic prospecting.
SUBSTANCE: signal of source are subject to correlation with reference signals chosen to minimize side lobes of correlation function. To form fragment of prolonged source signal having minimal side lobes of correlation function sequence of which is specified by binary code, the circuit with frequency of 60GHz is used. Preferable binary codes are based on complimentary Golay pair and sequences of shift registers with maximal length.
EFFECT: improved efficiency.
21 cl, 8 dwg
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