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Method and device for real-time simulation of steady-state sound field space in marine environment

A marine environment, real-time simulation technology, applied in the direction of measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve the problem of not being able to provide fast and accurate real-time simulation solutions for sound field space

Active Publication Date: 2019-02-15
中国人民解放军92942部队
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Problems solved by technology

At present, the existing technology cannot provide a fast and accurate real-time simulation solution for the sound field space for the condition that the sound ray and the sound velocity gradient vector are not coplanar

Method used

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  • Method and device for real-time simulation of steady-state sound field space in marine environment
  • Method and device for real-time simulation of steady-state sound field space in marine environment
  • Method and device for real-time simulation of steady-state sound field space in marine environment

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Embodiment Construction

[0061] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such...

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Abstract

The invention discloses a method and a device for real-time simulation of a steady-state sound field space in a marine environment. The method comprises: receiving original sound source data input bythe user; establishing the background model of the sound field space in the marine environment; determining a steady-state sound field space matrix in the marine environment according to the background model of the sound field space in the marine environment, the original sound source data, a sound trajectory equation under a non-coplanar condition of the sound ray and the sound velocity gradientvector, a eikonal equation of a discrete process, and a group march method GMM; outputting the steady-state sound field space matrix in the marine environment. The method utilizes the sound ray tracking technology of the steady-state sound field space to obtain the sound field information in the whole marine environment of the region of interest under the requirement of high precision, and the amount of calculation required is low.

Description

technical field [0001] The invention relates to the field of acoustics, in particular to a method and device for spatial real-time simulation of a steady-state sound field in a marine environment. Background technique [0002] The real-time simulation technology of marine environment operation units is more and more applied in all walks of life. The relevant technical situation can be learned from the following references: [1] Catipovic, Josko A. Performance Limitations In Underwater Acoustic Telemetry [M]. IEEE J. Oceanic Eng.1990, 15(3);[2]Estes,LeeE,Faingibert,Carvalho,Doris.Shallow Water Channel Characterization for Underwater Acoustic Telemetry[C].Proc.Conf Oceans, 1993;[3]Kelf M A.Hardware-in -the-loop simulation for undersea vehicle applications[C]. The International Society for Optical Engineering, 2001, 4366: 1-12. It is the key technology of the simulation platform system to be able to timely and accurately obtain the mutual perception of operating units under com...

Claims

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Application Information

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IPC IPC(8): G01H17/00
CPCG01H17/00
Inventor 所俊张立李铣镔唐兴基唐斯密张阳阳倪家正陈中伟郭亮徐飞
Owner 中国人民解放军92942部队
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