Manned submersible ultra short baseline positioning system on-sea calibration test method

Abstract

The invention relates to the technical field of ocean detection, in particular to a manned submersible ultra short baseline positioning system on-sea calibration test method. The manned submersible ultra short baseline positioning system on-sea calibration test method is used in the actual operation process. A mother ship is sailed to a sea area with the specific sea depth, and an instrument is started to record noise of the mother ship; then the steps including sound velocity section measurement, underwater subsurface buoy assembling and putting, transducer array installation error correction and the like are executed, and calibration parameters are reset to be initial values after an ultra short baseline positioning system is debugged to normally work; the mother ship sails in a track shaped like an Arabic numeral eight with a subsea beacon as a center, the diameter is 0.7 time of the depth, and it is required that the ship speed is smaller than 3 Kn in the sailing process; the subsea beacon is recovered. By means of the manned submersible ultra short baseline positioning system on-sea calibration test method, errors of the ultra short baseline system and all possibly-occurring conditions can be clearly recorded and analyzed, forceful guarantees are provided for sailing of a manned submersible, and hardware guarantees are provided for deep-sea detection.

Description

technical field [0001] The invention relates to the technical field of ocean exploration, in particular to a sea calibration test method for an ultra-short baseline positioning system of a manned submersible. Background technique [0002] In the existing technology, the ultra-short baseline has been widely used in deep-sea testing as a commonly used technical means for offshore testing, but it has the problem of accuracy. Whether the error is as provided by the manufacturer remains to be verified. It is beneficial to the accuracy of deep-sea testing, especially for the precise positioning of manned submersibles. Otherwise, once a major error occurs in the ultra-short baseline system, it will cause fatal danger to the personnel in the submersible. , there is no technical solution to test the ultra-short baseline system in specific experiments, so a technical solution is urgently needed to solve this technical problem. Contents of the invention [0003] The purpose of the p...

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Problems solved by technology

[0002] In the existing technology, the ultra-short baseline has been widely used in deep-sea testing as a commonly used technical means for offshore testing, but it has the problem of accuracy. Whether the error is as provided by the manufacturer remains to be verified. It is beneficial to the accuracy of deep-sea testing, especially for the precise positioning of manned submersibles. Otherwise, once a major error occurs in the ultra-short baseline system, it will cause fatal danger to the personnel in the submersible. , there is no technical solution to test the ultra-short baseline system in specific experiments, so a technical solution is urgently needed to solve this technical problem

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