MEASURING METHOD OF SHIP'S MOVEMENT SPEED RELATIVE TO GROUND Russian patent published in 2009 - IPC G01S3/56

Abstract SU 1840754 A1

FIELD: radio-engineering.

SUBSTANCE: invention refers to radio-engineering, and can be used when designing hydroacoustic logs meant for measuring ship's speed relative to ground. In order to reach the effect in measuring method of ship's speed relative to ground, which is based on measuring Doppler shift of frequency, proportionality factor between ship's movement speed relative to ground and Doppler shift of frequency is varied depending on ship's speed change.

EFFECT: improving measuring accuracy.

3 dwg

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SU 1 840 754 A1

Authors

Shifman F.N.

Jakovlev G.V.

Dates

2009-04-20—Published

1969-01-16—Filed