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Static ocean reverberation measurement and acquisition method and device

A collection method and marine technology, applied in measuring devices, measuring reverberation time, measuring ultrasonic/sonic/infrasonic waves, etc., can solve problems such as difficult analysis of ocean acoustic reverberation characteristics

Pending Publication Date: 2022-01-28
NAVAL UNIV OF ENG PLA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, it is necessary to provide a static ocean reverberation measurement acquisition method and device to overcome the difficulty in analyzing the characteristics of ocean acoustic reverberation in the prior art

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  • Static ocean reverberation measurement and acquisition method and device
  • Static ocean reverberation measurement and acquisition method and device
  • Static ocean reverberation measurement and acquisition method and device

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Embodiment Construction

[0041] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.

[0042] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] In the description of the present invention, reference to "an embodiment" means tha...

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Abstract

The invention relates to a static ocean reverberation measurement and acquisition method and device. The method comprises the following steps: acquiring calibration parameters measured by a survey ship at a central site of a site sea area; adjusting and binding transmitting and receiving parameters of a hydrophone at the central site according to the calibration parameters; arranging at least one buoy or subsurface buoy at the central site according to the transmitting and receiving parameters; and based on the at least one buoy or subsurface buoy, receiving an acoustic signal emitted by the survey ship at each corresponding measuring point along each measuring line radiated outwards from the central station, and carrying out reverberation characteristic statistical analysis. No matter from equipment configuration or from survey line, survey point and route setting, while the reverberation survey target is ensured to be achieved, the acoustic propagation survey requirement is considered to the greatest extent, the marine acoustic survey cost can be well reduced, the survey efficiency can be well improved, and the blank in the related aspect of marine acoustic survey is filled up.

Description

technical field [0001] The invention relates to the technical field of underwater acoustic engineering, in particular to a method and device for measuring and collecting static ocean reverberation. Background technique [0002] Ocean acoustic survey is a scientific research activity and method for people to understand ocean acoustic phenomena and master their laws. data, data and information such as acoustics and ocean acoustic environmental elements. The purpose of ocean acoustic survey is to serve people's use of ocean acoustic laws, which is a basic work closely related to applications (especially military applications). Ocean reverberation is the sum of all scattering effects on the sea surface, sea bottom, and ocean water body, and is one of the main background interferences of active sonar. Good anti-reverberation performance is a must for active sonar (especially low-frequency sonar), for which it is necessary to understand the intensity, power spectral density, pro...

Claims

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Application Information

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IPC IPC(8): G01H7/00
CPCG01H7/00
Inventor 王平波卫红凯刘杨刘清宇宋俊
Owner NAVAL UNIV OF ENG PLA
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