A method and device for predicting the amplitude of tidal internal solitary waves

By analyzing the relationship between tidal type and maximum ebbing tide flow velocity, combining the water depth and wave velocity of the inner isolated wave propagation path, the BP neural network is used to predict the amplitude of the inner isolated wave in tidal formation, solving the problem of insufficient amplitude prediction in the existing technology, and realizing the Higher prediction accuracy and accuracy.

CN118607347BActive Publication Date: 2025-01-07CHINESE PEOPLES LIBERATION ARMY UNIT 32021
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Patent Information

Application Number
CN202410602008.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-07
Estimated Expiration
2044-05-15

AI Technical Summary

Technical Problem

The prior art has shortcomings in predicting the amplitude of isolated waves and the amplitude distribution of propagation paths, making it difficult to achieve accurate prediction.

Method used

By statistically analyzing the relationship between the amplitude of the inner isolated wave, the tidal type and the maximum ebbing tide flow velocity, combining the water depth, propagation distance, wave velocity and buoyancy frequency of the main propagation direction path of the inner isolated wave, a prediction model is established using the BP neural network to achieve tidal intra-induced isolation Amplitude simulation prediction of the entire wave propagation process.

Benefits of technology

It improves the accuracy and reliability of the prediction of the amplitude of the tidal isolated wave induction, enhances the utilization of the historical data of the intra-isolated wave, and effectively improves the prediction accuracy.

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Abstract

The present invention discloses a method and device for predicting the amplitude of a tidal internal solitary wave. The method includes: based on the measurement data of the amplitude of an internal solitary wave that has occurred on the main direction of internal wave propagation determined by the wave velocity of the internal solitary wave, statistically analyzing the relationship between each internal solitary wave amplitude and the tidal type and maximum ebb current velocity corresponding to the time when the internal wave is generated at the source point, and combining the water depth, propagation distance, wave velocity and buoyancy frequency of the main propagation direction of the internal solitary wave, to achieve amplitude simulation prediction of the entire process of tidal internal solitary wave propagation in the target sea area. The internal solitary wave amplitude prediction method and device of the present application can improve the utilization efficiency of internal solitary wave historical data, effectively improve the reliability and accuracy of internal solitary wave amplitude prediction, and reduce the requirements for equipment.
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Citation Information

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