. Depth regulation of lowered oceanographic equipment. Ocean engineering. PRESSURE CHANGE — DUE TO DEPTH CHANGE WATERTIGHT BOX Figure 4. Depth sensor mechan i c al details. DEPTH CHANGES CAUSED BY SHIP MOTION t-D COMPOSITE ERROR SIGNAL DEVELOPED BY SENSOR IS PROPORTIONAL TO RESULTANT VERTICAL MOTION DUE TO PITCH, ROLL, AND HEAVE SENSOR (PRESSURE SENSITIVE LOCATION: HALF WAVELENGTH BELOW SURFACE WAVES) LOWERED EQUIPMENT Figure 5. Depth sensor location and development of error signal. 10. Please note that these images are extracted from scanned page images that may have been digitally enhanced f
. Depth regulation of lowered oceanographic equipment. Ocean engineering. PRESSURE CHANGE — DUE TO DEPTH CHANGE WATERTIGHT BOX Figure 4. Depth sensor mechan i c al details. DEPTH CHANGES CAUSED BY SHIP MOTION t-D COMPOSITE ERROR SIGNAL DEVELOPED BY SENSOR IS PROPORTIONAL TO RESULTANT VERTICAL MOTION DUE TO PITCH, ROLL, AND HEAVE SENSOR (PRESSURE SENSITIVE LOCATION: HALF WAVELENGTH BELOW SURFACE WAVES) LOWERED EQUIPMENT Figure 5. Depth sensor location and development of error signal. 10. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Shipek, C. J; Evans, E. C; U. S. Navy Electronics Laboratory (San Diego, Calif. ). San Diego, Calif. : U. S. Navy Electronics Laboratory
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