Rainfall nowcasting method and device based on deep learning
A nowcasting and deep learning technology, applied in the information field, can solve problems such as insufficient attention in strong echo prediction, difficulty in predicting radar echo time-space sequence, etc., and achieve the effect of enhancing prediction ability
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[0059] For the convenience of those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail as follows:
[0060] This application first uses the precipitation data collected by Beijing Radar from June to September 2015 to 2016, and the precipitation data collected from Haikou and Dongfang Radar from 2018 to September to December 2019 for data preprocessing, including combined reflectance generation and normalization processing , outlier filtering, clipping, etc. into standard data formats available for model training, and establish a radar echo data set. Afterwards, the ConvLSTM network structure, which combines the advantages of convolutional neural network and long-term short-term memory network, is combined with the Encoder-Forecast model to solve the problem of radar echo time-space sequence prediction. W-MSE and W-MAE are combined to obtain a weight loss function, which is used as a loss functio...
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