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A weather forecast method and system based on big data and analysis fields

A technology of weather forecasting and analysis field, applied in meteorology, weather condition forecasting, measuring devices, etc., and can solve problems such as large errors

Active Publication Date: 2017-02-01
SOUTH CHINA NORMAL UNIVERSITY
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Problems solved by technology

The above-mentioned numerical prediction method is based on a mathematical model for model derivation, and the error is relatively large

Method used

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  • A weather forecast method and system based on big data and analysis fields
  • A weather forecast method and system based on big data and analysis fields
  • A weather forecast method and system based on big data and analysis fields

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Embodiment Construction

[0046] Further description will be made below in conjunction with specific embodiments and accompanying drawings.

[0047] Such as figure 1 Shown is a flow chart of the weather forecasting method of an embodiment. The method includes:

[0048] Step S100: Obtain the meteorological analysis field sequence within the latest set time period of the forecast area. The forecast area refers to the area where the weather forecast is to be made, and the scope can be determined according to the demand. For example, China can be divided according to administrative regions such as provinces and cities. The latest set time period refers to the time period within the latest set time period before the current time with the current time as the cut-off point. Meteorological analysis field refers to the analysis data made with live data, which is real and definite. The meaning of the meteorological analysis field in the field of weather forecasting is well known to those skilled in the art....

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Abstract

The invention relates to a weather forecast method and system. The method comprises the following steps: obtaining a weather analysis field sequence within a nearest set time length of a forecast area; inputting the latest weather analysis field sequence into a depth neural network of the forecast area to carry out depth learning to obtain output of the depth neural network of the forecast area; and taking the output as a forecast field sequence within a forecast time length starting from the current time of the forecast area. The system comprises an analysis field obtaining module, which is used for obtaining the weather analysis field sequence within the nearest set time length of the forecast area; and a forecast module, which is used for inputting the latest weather analysis field sequence into the depth neural network of the forecast area to carry out depth learning to obtain the output of the depth neural network of the forecast area, and taking the output as the forecast field sequence within the forecast time length starting from the current time of the forecast area. The weather forecast method and system allow weather forecast to be more accurate.

Description

technical field [0001] The invention relates to the technical field of weather forecasting, in particular to a weather forecasting method and system based on big data and analysis fields. Background technique [0002] Weather changes are closely related to people's production activities, social activities, military activities and daily life. For a long time, people have always tried to predict future weather changes in order to take advantage of favorable weather and prevent meteorological disasters caused by unfavorable weather in advance. [0003] In traditional technology, people use numerical forecasting method to forecast the weather. The principle of numerical forecasting is: to obtain meteorological images through weather maps or satellite cloud images, and under certain initial and boundary value conditions, use large-scale computers to perform numerical calculations and solve descriptions. The fluid dynamics and thermodynamic equations of the weather evolution proc...

Claims

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Application Information

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IPC IPC(8): G01W1/10
CPCG01W1/10
Inventor 朱定局
Owner SOUTH CHINA NORMAL UNIVERSITY
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