FIELD: measurement technology.
SUBSTANCE: invention relates to field of oceanological measurements and may be used for monitoring state of ocean surface. Short constant-duration radio pulsed are generated and probing thereby sea surface, recording reflected radio pulses and produced averaged shape of reflected radio pulse, at that in gaps between registration of reflected radio pulses own hardware noise is determined, then precise shape of reflected radio pulse is determined, for which noise is subtracted from recorded signal. By specified average form of reflected radio pulse asymmetry distribution of elevated sea surface is calculated.
EFFECT: higher accuracy of determination of sea surface elevation distribution asymmetry.
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