Topographic composition sonar map

Details Topographic composition sonar map Topographic composition sonar map

1996-07-25

1997-12-16

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Echo systems

Side scanning or contour mapping sonar systems

367110, G01S 1589

Patent

active

056993188

ABSTRACT:
A video display of the bottom of a body of water uses three types of data collected from a side looking sonar system, and includes: imagery composed of highlights and shadows from the topography of the bottom; backscattering signal strength proportional to the marine bottom composition, i.e. sand, mud, gravel; and contour lines for water depth. A black and white, gray scale image of the bottom is generated, and a color overlay screen of the composition of the bottom is integrated with the black and white image, with the colors being coded to indicate composition. The water depth is also plotted in contour lines on the display.

REFERENCES:
patent: 4088979 (1978-05-01), Jones et al.
patent: 5309409 (1994-05-01), Jones et al.

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