Sonar heave compensation system

Details Sonar heave compensation system Sonar heave compensation system

1986-01-03

1987-09-29

Buczinski, Stephen C.

Communications, electrical: acoustic wave systems and devices

Beam stabilization or compensation

367115, H04B 1700, G01S 968

Patent

active

046972536

ABSTRACT:
A ship-borne sonar heave compensation system measures the heave at time of transmit and at the expected time of receive of a bottom-echo which is approximated by the previous depth determination corrected for heave. Using these values of heave, the depth of the detected bottom-echo is corrected to provide the true depth corrected for heave. A chart recorder reads out from memory the sonar return signals, including the bottom-echo, corrected for these heave values to present a true picture of the bottom contour.

REFERENCES:
patent: 3017606 (1962-01-01), Kietz et al.
patent: 4302824 (1981-11-01), Goymour

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