The invention relates to the field of aviation, and discloses a flight prohibited area division method under severe convective weather conditions, wherein the method is characterized by comprises the steps: obtaining corresponding meteorological data and aviation data in a specified airspace; screening out abnormal flights and normal flights interfered by severe convective weather; extracting weather feature factor data, performing feature selection by using a random forest method, and outputting a plurality of weather feature factors of which the correlation with the abnormal flight reaches a preset influence threshold; discretizing the values of various weather characteristic factors, and classifying and combining to obtain a plurality of weather characteristic factor combinations; based on an opencv code packet in the python, carrying out preliminary falling region identification; counting the flight prohibited region division success rate of each weather characteristic factor combination, and selecting the weather characteristic factor combination with the highest division success rate as a flight prohibited region division standard; and according to the flight prohibited region division standard and the weather data of an airspace to be measured, obtaining a flight prohibited region in the airspace to be measured under the severe convective weather.
本发明涉及航空领域,公开了一种强对流天气条件下飞行禁止区划设方法,其技术方案要点是获取指定空域中相对应的气象数据和航空数据;筛选出受强对流天气干扰的异常航班和正常航班;提取天气特征因子数据,并利用随机森林方法进行特征选择,输出若干与异常航班相关性达到预设影响阈值的天气特征因子;将各种天气特征因子的取值进行离散化处理并进行分类组合,得到若干天气特征因子组合;基于python中的opencv代码包,进行初步落区识别;并统计各个天气特征因子组合的飞行禁止区划设成功率,选择划设成功率最高的天气特征因子组合作为飞行禁止区划设标准;根据飞行禁止区划设标准和待测空域的天气数据,得到待测空域内强对流天气下的飞行禁止区。
Flight prohibited area division method under severe convective weather conditions
一种强对流天气条件下飞行禁止区划设方法
2021-08-20
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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