A method and system for measuring ship freeboard based on laser technology
A ship and shipboard technology, applied in the field of ship freeboard measurement method and system based on laser technology, can solve the problems of high ship type requirements and inability to accurately determine the measurement point
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[0050] see below Figure 1 to Figure 8 The method and system for measuring ship freeboard based on laser technology described in the present invention will be described in detail.
[0051] Such as figure 1 As shown, the method includes the following steps:
[0052] S101: Preprocessing the data collected by the laser sensor.
[0053]combine figure 2 As shown, at least two laser sensors are installed on the lower end of the bridge corresponding to the passing position of the ship. In the figure h 1 Indicates the vertical distance from the water surface to the laser sensor, h 2 Indicates the vertical distance from the ship's side to the laser sensor, L indicates the straight-line distance from the laser sensor to the measured object (ship's side), r indicates the deviation angle of L in the vertical direction, h 2 =L*cos(r). h 3 Indicates the height of the ship's side, h 3 = h 1 -h 2 .
[0054] Every time the laser sensor scans, it generates data for one scan cycle. ...
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