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Multifrequency submarine acoustic in-situ testing system and method

A technology for in-situ testing and testing systems, applied in measuring devices, surveying and navigation, open-air water source surveying, etc., can solve the problems of single-frequency sound wave propagation characteristics, inability to realize different frequency sound wave propagation characteristics, complex structure, etc., and achieve convenient transportation , good stability and safe operation ability, easy assembly and disassembly

Inactive Publication Date: 2007-06-06
SECOND INST OF OCEANOGRAPHY MNR
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  • Summary
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AI Technical Summary

Problems solved by technology

However, most of the systems currently used at home and abroad can only study the propagation characteristics of single-frequency sound waves, and cannot realize the propagation characteristics of different frequency sound waves on the seabed interface, and the structure is complex

Method used

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  • Multifrequency submarine acoustic in-situ testing system and method
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  • Multifrequency submarine acoustic in-situ testing system and method

Examples

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Embodiment

[0017] Embodiment: This multi-frequency submarine acoustic in-situ testing system includes a deck control system 1, a deck retractable part 2 and a lance body part 3, wherein the deck control system 1 manages and monitors the lance body part 3 through a signal cable 101 The operation of the upper equipment components, and collect the data returned by the equipment components on the lance body part 3, the deck retractable part 2 controls the operating position of the lance body part 3 connected to the deck retractable part 2 through the retractable cable 201 .

[0018] The lance body part 3 comprises a test platform 301, a counterweight 306 positioned on the test platform 301, a pressure chamber 305 positioned at the middle of the test platform 301, fixed on the test platform 301 by a hydrophone fixture and a sound insulation device, and passed a signal 8 receiving hydrophones 303 connected to the pressure chamber, the altimeter 304 and the transmitting transducer 302 connected...

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Abstract

This invention disclosed a monitor device used in ocean perambulation and a method. It can be used in measuring acoustics parameters of sediment precisely. It can collect data without altering the sediment and the environment. It has advantages compared with traditional methods. It can be applied to research sound velocity of sediment, sound attenuation, dispersion and reflection character of seabed interface, acoustics geotechnics character of sediment, natural gas hydrate and aeration zone in shallow sea, etc.

Description

technical field [0001] The present invention relates to a monitoring device, in particular to a marine engineering exploration device, and also relates to a monitoring method, in particular to an acoustic in-situ testing method. Background technique [0002] Ocean engineering exploration is to provide necessary and reliable results of seabed topography, seabed rock and soil, and marine environment characteristics for ocean engineering construction by means of measurement, testing, exploration, simulation, and analysis. Marine engineering survey mainly includes three sub-specialties: marine engineering survey, marine geotechnical survey and marine engineering environmental survey. Marine engineering survey includes seabed topographic survey, seabed surface condition side scan and bed stability analysis; marine rock and soil survey includes seabed near-surface sedimentary stratum structure detection, seabed rock and soil engineering (physical, mechanical) properties, etc.; mar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C13/00
Inventor 陶春辉周建平金肖兵邓显明张金辉顾春华高水土何拥华刘斌李红星杨灿军
Owner SECOND INST OF OCEANOGRAPHY MNR
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