Figure 22B. An Imagenex 881 fan sonar. The gray part at the bottom of the sonar rotates and makes sequential images of the seafloor. Combining the radial slices allows an image to be created that describes the bottom shape within the sensing area.
U.S. Geological Survey Open-File Report 2007-1194
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Figure 22B. An Imagenex 881 fan sonar. The gray part at the bottom of the sonar rotates and makes sequential images of the seafloor. Combining the radial slices allows an image to be created that describes the bottom shape within the sensing area. | ||