Method for predicting significant wave height of sea waves based on multi-sine function decomposition neural network
A technology of sine function and effective wave height, which is applied in the field of wave parameter calculation, can solve problems such as prediction of effective wave height without ocean waves, and achieve the effect of avoiding economic loss and strong fitting
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[0078] Example 1
[0079] The method of predicting the effective wave height of ocean waves based on the multi-sine function decomposition neural network of the present invention is used to predict the monthly average effective wave height:
[0080] (1) This example takes the significant wave height data of the Beibu Gulf region of the South China Sea from the ERA-Interim data set of the European Centre for Medium-RangeWeather Forecasts (ECMWF) as an example. The time resolution of the data is 6 hours. , The spatial resolution is 0.125°×0.125°, and the monthly average significant wave height data from 1979 to 2016 is used as the learning data; the monthly average significant wave height data for the two years of 2017 and 2018 are used as the verification data for prediction and decomposition The number of sine functions is selected as 10. The mean square error, mean absolute error and root mean square error of the final prediction result are as Figure 4 Shown (in Figure 4 Medium:...
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[0082] Example 2
[0083] The method for predicting the effective wave height of ocean waves based on the multi-sine function decomposition neural network of the present invention is used to predict the seasonal average effective wave height:
[0084] (1) This example takes the significant wave height data of the Beibu Gulf region of the South China Sea from the ERA-Interim data set of the European Centre for Medium-RangeWeather Forecasts (ECMWF) as an example. The time resolution of the data is 6 hours. , The spatial resolution is 0.125°×0.125°, using the seasonal average data from 1979 to 2018 as the learning data, and the two-year seasonal average effective wave height data in 2017 and 2018 as the verification data for prediction, and the sine function for decomposition The number is selected as 10, and the mean square error, mean absolute error and root mean square error of the final prediction result are as Image 6 Shown (in Image 6 Medium: (a) mean square error, (b) mean ab...
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