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Noaa Technical Report Nos Co-Ops 049: Ocean Systems Test and Evaluation Program: Initial Operational Deployment Report: Miros Air Gap Sensor and Laser (en Inglés)
National Oceanic and Atmospheric Adminis
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Bibliogov
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Noaa Technical Report Nos Co-Ops 049: Ocean Systems Test and Evaluation Program: Initial Operational Deployment Report: Miros Air Gap Sensor and Laser (en Inglés) - National Oceanic and Atmospheric Adminis ; Et Al
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Reseña del libro "Noaa Technical Report Nos Co-Ops 049: Ocean Systems Test and Evaluation Program: Initial Operational Deployment Report: Miros Air Gap Sensor and Laser (en Inglés)"
The maritime industry depends on accurate bridge clearance or air gap measurements. Knowing the distance between the lowest point of a bridge (low steel) and the water surface helps to avoid the risk of a vessel's overhead allision with bridges, which increases as vessel size increases. The potential economic gains to be realized by both increased commerce and the avoidance of allisions are considerable, and as a result, the maritime industry has a clear requirement for air gap information. The potential users of air gap sensor data require continuous, real-time observations of the clearance beneath a bridge with an accuracy of 15 centimeters (6 inches). CO-OPS further reduces this accuracy requirement to 75 millimeters (3 inches) to maintain an initial level of quality assurance and considers the value to represent two standard deviations of the difference between the final system output and a reference observation. The system must provide useful observations of air gap every six minutes in real time, corrected for any sensor mounting offset on the bridge from low steel. It must operate in all weather conditions and survive in the hostile bridge environment, where vibration can be a significant issue.
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