Black Laser Glossary

Side Scan Sonar Terminology

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There are 2 names in this directory beginning with the letter N.
Nadir
Lowest point on the celestial sphere below the observer. In side scan sonar terms, the sonar imagery from directly below the side scan sonar transducer. A French word derived from Arabic.

Nadir Zone
Side scan sonar data from directly below the sonar transducer, towfish, AUV or UUV where the grazing angle is more perpendicular reducing shadow length and compressing imagery in the across track.


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