tide numerical model water depth estimation method based on ensemble Kalman filtering
A Kalman filter and numerical model technology, applied in CAD numerical modeling, calculation, electrical digital data processing and other directions, can solve the problems of poor portability, high workload, no relevant reports on the shallow sea on the shelf, etc., and achieves little difficulty in implementation , the effect of improving accuracy and easy parallel computing
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[0021] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
[0022] as attached figure 1 As shown, a tidal numerical model water depth estimation method based on ensemble Kalman filtering is a parameterization scheme based on the sea area topography and design water depth. The observation data is assimilated into the tidal numerical model through EAKF, and the water depth parameters are optimized. Estimation, a method to improve the accuracy of tide simulations. Include the following steps:
[0023] (1) Determination of the depth parameter estimation scheme of the ocean numerical model
[0024] According to the sensitivity analysis results of the seabed topography and model of the sea area, the sea area is divided according to the water depth, the sensitivity analysis is carried out, and the paramete...
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