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Typhoon forecast platform and typhoon track retrieval method

A typhoon and path technology, which is used in weather forecasting, special data processing applications, measurement devices, etc., can solve problems such as the inability to visually display the comparison between current typhoons and historical typhoons, poor positioning effect, and inconspicuousness, and achieve good forecasting. , The positioning effect is good, and the effect of forecasting promotion

Inactive Publication Date: 2016-12-28
NANJING XINDA HIGH TECH DEV
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Problems solved by technology

Observations show that the eye area of ​​some weaker typhoons is not obvious, so the positioning effect of existing satellite cloud image data positioning methods is not good
[0003] In addition, in typhoon research work, it is often necessary to compare and analyze current typhoons and historical typhoons. The existing method is to use human eyes to observe and compare satellite cloud image data, which is often very time-consuming and cannot intuitively display current typhoons and historical typhoons. Comparison of typhoons

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  • Typhoon forecast platform and typhoon track retrieval method
  • Typhoon forecast platform and typhoon track retrieval method

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Embodiment approach

[0035] As preferred in the present invention, the present invention proposes the following preferred implementation modes: Step 1 includes:

[0036] Step 1a: Read the wind field data of the current typhoon in the database. The wind field data of the current typhoon is in the form of grid points, with four dimensions: longitude, latitude, height, and time;

[0037] Step 1b: Select the wind field data of the current typhoon at time T 1 ,T 2 ,T 3 …T N data, N is a positive integer, so that the wind field data of the current typhoon at N times are obtained; at time T n When , for each grid point with different longitude, latitude and height, judge whether it satisfies the typhoon center condition, n is a positive integer not greater than N.

[0038] The typhoon center condition is proposed in the present invention. The typhoon rotates counterclockwise in the northern hemisphere, and the wind field of the typhoon has the characteristics of structural symmetry, such as image ...

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Abstract

The invention discloses a typhoon forecasting platform which is characterized by comprising a typhoon track animation demonstration module, a historical typhoon query module, a synonymous similar typhoon track retrieval module and a database, wherein the database is connected with the typhoon track animation demonstration module, the historical typhoon query module and the synonymous similar typhoon track retrieval module respectively. The invention further discloses a typhoon track retrieval method based on the typhoon forecasting platform, which comprises the steps that a typhoon center point of the current typhoon is obtained by computing; a track of the current typhoon is obtained; and whether the track of the current typhoon is similar to that of a historical typhoon is judged according to the synonymous similarity of the current typhoon and the historical typhoon. The typhoon forecasting platform can display a comparison between the current typhoon and the historical typhoon visually, so that the time can be saved greatly, and the typhoon track retrieval method is good in location effect, solves the problem that a manual search in the current domestic research is low in efficiency, and has a very good acceleration effect on forecasting the typhoon in future.

Description

technical field [0001] The present invention relates to a typhoon forecast platform, and also relates to a typhoon path retrieval method, in particular to a typhoon path retrieval method based on synonymous similarity. The present invention belongs to the field of typhoon prediction. Background technique [0002] In the field of typhoon forecasting, satellite cloud image data is currently used to locate the center of the typhoon. This positioning method is very complicated, and the positioning effect is better for only eye-catching typhoons. Satellite cloud image data can often only observe the cloud top part of the typhoon, so the typhoon intensity in the satellite data is relatively weak. Observations show that the eye area of ​​some weaker typhoons is not obvious, so the positioning effect of existing satellite cloud image data positioning methods is not good. [0003] In addition, in typhoon research work, it is often necessary to compare and analyze current typhoons an...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G01W1/10
Inventor 李肖雅吴乃骅
Owner NANJING XINDA HIGH TECH DEV