Thunderstorm strong wind grade prediction classification method based on multi-source convolutional neural network
A technology of neural network and classification method, applied in the direction of biological neural network model, neural architecture, instrument, etc., can solve the problems of lack of softmax classifier, difficulty in classification sample processing, difficulty in improving the robustness of prediction classification, model overfitting, etc. Achieve good classification effect, good prediction effect, and improve extraction effect
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[0085] In this embodiment, the flow process of the thunderstorm gale grade prediction and classification method based on the multi-source convolutional neural network is as follows figure 1 As shown, the basic steps are as above S1-S3. The implementation process of each step is described in detail below.
[0086] (1) if figure 2 As shown, the process of generating training samples based on Doppler weather radar image data is:
[0087] (1-1) Query the historical data of the automatic weather station. In the automatic weather station database of a certain province, select a certain area (121.5094 degrees east longitude, 30.0697 degrees north latitude) as the center, within 220 kilometers (maximum measurement range 230 kilometers) including station information of all types of automatic weather stations inside and outside the province. In chronological order, the hourly maximum wind speed is counted from the data of these automatic weather stations, and the corresponding time ...
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