Method and device for extracting multi-mode optimal information for rainfall set prediction, and medium
A model information and multi-model technology, applied in the field of multi-model precipitation forecasting, can solve problems such as forecast failure
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] Multi-mode ensemble methods mostly use ensemble averages, including equal-weight arithmetic mean (formula (1)), and non-equal-weight algorithms (formula (2));
[0030]
[0031]
[0032] Among them, y 1 ,y 2 ,...,y M is the direct prediction result of M modes, y' is the prediction result; α 1 , α 2 ,...,α M are the weight coefficients of the M modes. when α 1 = α 2 =...=α M When the weight coefficient of the optimal mode with good performance is 1, and the weight coefficient of the mode with poor performance is 0, it is the optimal mode aggregation me...
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