Patent ID: 11913972
Assignee: FIRST INSTITUTE OF OCEANOGRAPHY, MINISTRY OF NATURAL RESOURCES
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 8:
9. A method of applying the LADCP and USBL combined observation device according to claim 1, comprising:
assembling the LADCP and USBL combined observation device;
testing a cable winch system, a LADCP system, a USBL beacon, a conductivity-temperature depth profiler and an inertial navigation system;
completing the test;
starting a dynamic positioning system of the research vessel so that a hull of the research vessel is in a state of unchanged position and direction;
actuating a telescopic rod to extend a transducer array to an operating state;
starting the cable winch system to release the LADCP and USBL combined observation device to a position of 50 meters underwater;
testing positioning and communication data information between transducer array and USBL beacon, and testing data quality of the LADCP system, the conductivity-temperature depth profiler, the inertial navigation system and the water sampling controller;
deploying the LADCP and USBL combined observation device with a descending speed ranging from 20 to 60 m/min after completing the test;
stopping descending until a device is deployed to a position 50 meters from seabed, where the LADCP system collects ground tracking data for 5 minutes, and then recovering the device;
controlling, by the water sampling controller, a plurality of water bottles to sample water in layers during the recovering;
recovering the LADCP and USBL combined observation device above sea surface, driving the LADCP and USBL combined observation device to be recovered to a deck of the research vessel, recovering the telescopic rod, and shutting down a dynamic positioning system of the research vessel; and
aggregating USBL positioning data, LADCP current data, sound velocity profile data derived from the conductivity-temperature depth profiler and angle data of the inertial navigation system for data processing.