3-D sonar image display

Details 3-D sonar image display 3-D sonar image display

1990-12-17

1991-12-31

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With beam steering, scanning, or focussing

G01S 380

Patent

active

050777041

ABSTRACT:
A 3-D sonar image display takes two sonar signals from the same event, slightly displaced from one another in time, space, or both. Each signal is converted from audio to video, and is presented to a separate eye of the sonar operator. The coherent parts of the signal--those actually produced by the event--will be fused by the optical portions of the brain into a three-dimensional image. The noise portions of the signal will not be coherent, and will not produce a three-dimensional image.

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patent: 4807165 (1989-02-01), Becker
patent: 4899318 (1990-02-01), Schlumberger et al.

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