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Typhoon Tracking System and Method

A tracking system and typhoon technology, applied in the direction of instruments, data processing applications, geographic information databases, etc., can solve the problems of inaccurate identification of typhoon center, errors in typhoon tracking process, in-depth research and accurate forecast of unfavorable typhoons, etc., to improve typhoon tracking Skills, improving accuracy, and studying the effects of typhoon activity mechanisms

Active Publication Date: 2022-02-22
INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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Problems solved by technology

Therefore, the method of locating the typhoon center based on the sea level air pressure cannot accurately identify the typhoon center, which will cause obvious errors in the typhoon tracking process, which is not conducive to the in-depth study and accurate forecast of the typhoon

Method used

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  • Typhoon Tracking System and Method
  • Typhoon Tracking System and Method

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specific Embodiment approach

[0075] When there is one typhoon center, the typhoon center candidate point corresponding to the smallest typhoon center eigenvalue is the target typhoon center;

[0076] When there are multiple typhoon centers, the typhoon center candidate point corresponding to the smallest typhoon center eigenvalue is the first typhoon center.

[0077] In this embodiment, the first typhoon center (or target typhoon center) satisfies: there is a grid point closest to the typhoon center within 3° of the four directions of the typhoon center candidate point in the southeast, northwest, and the east-west direction The meridional wind components of the grid points are positive and negative values ​​respectively, and the zonal wind components of the north-south direction grid points are positive and negative values ​​respectively, and the variance of the distance between the two grid points in the north-south direction and the center of the typhoon + the east-west direction 2 The variance of the ...

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Abstract

The invention discloses a typhoon tracking system and method. The system comprises: a typhoon feature detection module; a typhoon center identification module; and a typhoon path reorganization module. Based on this system, the implementation method includes: the typhoon feature detection module detects the meteorological variable field grid points with typhoon characteristics in the designated area as typhoon center candidate points; the typhoon center identification module identifies meteorological variables with vortex center characteristics from the typhoon center candidate points The field grid points are used as typhoon centers; the typhoon track compilation module sorts out typhoon centers with typhoon activity characteristics and organizes them into typhoon movement paths. The typhoon tracking system and method provided by the present invention identify the typhoon center according to the vortex characteristics of the wind field and then track the typhoon, which improves the shortcomings of the previous typhoon tracking method and improves the accuracy of identifying the typhoon center.

Description

technical field [0001] The invention relates to the technical field of meteorological monitoring and typhoon tracking, in particular to a typhoon tracking system and method. Background technique [0002] Typhoons are tropical cyclones with huge energy that are generated over the tropical oceans of the world. It can not only bring precipitation to vast areas, but also often bring extreme meteorological disasters such as strong winds and heavy rains. Therefore, studying the mechanism of typhoon activity and improving typhoon forecasting skills are beneficial to people's production and life and disaster prevention and mitigation. Currently, typhoon tracking technology is an important tool in typhoon research and forecasting. This technology can identify typhoons in meteorological data and track important information such as their moving paths and landing positions, and has been widely used in typhoon research and forecasting operations. [0003] In typhoon tracking technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/29G06Q10/04G06Q50/26G01W1/00
CPCG06F16/29G06Q10/04G06Q50/26G01W1/00
Inventor 王磊陈光华王林
Owner INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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