Ocean thermocline characteristic parameter optimization inversion method based on sound signal

Abstract

The invention provides an ocean thermocline characteristic parameter optimization inversion method based on a sound signal. The method comprises the following steps that: obtaining the temperature vertical section distribution and the salinity vertical section distribution of an ocean environment; on the basis of an acoustic reflection principle, constructing an acoustic echo prediction model, andaccording to the acoustic echo prediction model, obtaining an acoustic echo prediction signal; utilizing the temperature vertical section distribution and the salinity vertical section distribution of the ocean environment as well as the acoustic echo prediction signal, constructing a thermocline characteristic parameter inversion model; and solving the constructed thermocline characteristic parameter inversion model to obtain the ocean thermocline characteristic parameter. By use of the ocean thermocline characteristic parameter optimization inversion method, the problem that a traditional acoustic method is low in extraction inversion efficiency is effectively solved, and an effective method is provided for the efficient inversion of the ocean thermocline.

Description

Technical field [0001] The invention relates to a method for optimizing and retrieving the characteristic parameters of the ocean thermocline, in particular to a method for optimizing and retrieving the characteristic parameters of the ocean thermocline based on acoustic signals. Background technique [0002] As an important marine environmental phenomenon, the oceanic thermocline has a significant impact on climate change, marine fisheries, underwater communications, and submarine activities. Using conventional traditional methods to obtain thermocline information has the disadvantages of time-consuming and high cost, so using acoustic methods to obtain ocean thermocline characteristic parameters will become an effective method. Therefore, it is necessary to design an acoustic signal-based ocean thermocline characteristic parameter optimization inversion method, which can construct an acoustic signal-based ocean thermocline parameter optimization inversion optimization model, an...

AI Technical Summary

Problems solved by technology

Using conventional methods to obtain thermocline information has the disadvantages of time-consuming and high cost, so using acoustic methods to obtain the characteristic parameters of ocean thermocline will become an effective method

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