Cloud radar and satellite detection data fusion method and cloud radar and satellite detection data fusion system

Abstract

The invention relates to a cloud radar and satellite detection data fusion method and a cloud radar and satellite detection data fusion system. The cloud radar and satellite detection data fusion method is characterized in that cloud top heights, cloud bottom heights, and average reflectivity factors detected by a millimeter-wave cloud radar can be achieved, and the satellite cloud picture brightness temperature data corresponding to the overhead part of the millimeter-wave cloud radar can be achieved; the cloud top heights, the cloud bottom heights, and the average reflectivity factors corresponding to the brightness temperature values of the area covered by the satellite cloud picture can be output in a real-time manner by the processing of the trained neural network of the satellite brightness temperatures, and the cloud top heights, the cloud bottom heights, and the average reflectivity factors detected by the millimeter-wave cloud radar. The horizontal distribution chart of the cloud top heights, the cloud bottom heights, and the average reflectivity factors of the area covered by the satellite cloud picture can be achieved, and then the new cloud information can be provided for the weather forecast analysis, the mathematical forecast, and the atmosphere scientific research.

Description

technical field [0001] The invention belongs to the technical field of meteorological detection, and in particular relates to a cloud radar and satellite detection data fusion method and system. Background technique [0002] Cloud distribution, cloud amount, and cloud shape can be obtained from meteorological satellite cloud images, but the vertical structure distribution of clouds is not given. The cloud top height information can be retrieved from the infrared cloud image. Since the cloud top height information is retrieved using the correlation between infrared radiation and temperature, and the infrared radiation intensity is also related to factors such as cloud structure (density), the error in inversion of cloud top height is relatively large. . In terms of information integrity, meteorological satellite cloud images cannot meet meteorological needs for cloud height information, especially numerical forecasting is very sensitive to cloud height, which directly affect...

AI Technical Summary

Problems solved by technology

However, the deployment density of the ground-based millimeter-wave nephelometer determines that the description of the horizontal distribution of clouds by the millimeter-wave nephelometer is far inferior to that of satellites.

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