METHOD OF DETERMINATION OF SHIP'S SPEED OVER BOTTOM Russian patent published in 1995 - IPC

Abstract RU 2042152 C1

FIELD: hydroacoustics. SUBSTANCE: composite signal is radiated which consists of inverse pair of signals shifted at hyperbolic frequency modulation which ensures more accurate determination of time delay which is not measured but corresponds to maximum magnitude of cross-correlation function between radiated and reflected signals. EFFECT: enhanced accuracy of measurement. 2 cl, 5 dwg

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RU 2 042 152 C1

Authors

Saprykin V.A.

Pavlikov S.N.

Ubankin E.I.

Artamonov O.A.

Dates

1995-08-20Published

1992-12-16Filed