METHOD AND DEVICE FOR ESTIMATION OF SHIP'S SPEED OVER BOTTOM Russian patent published in 1995 - IPC

Abstract RU 2042959 C1

FIELD: hydroacoustic navigational aids. SUBSTANCE: adjustable time delay of signal of first receiver is found by minimum ratio of product of Gilbert conversion of cross correlation function of first delayed signal and signal of second receiver by cross correlation function of first delayed signal and receiver to difference of squares of data of cross correlation function. EFFECT: enhanced efficiency. 3 cl, 1 dwg

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RU 2 042 959 C1

Authors

Pavlikov Sergej Nikolaevich

Dates

1995-08-27—Published

1993-08-13—Filed