基于雨污染x波段海洋雷达图像波数能谱的降雨强度等级反演研究

2022 IEEE International Conference on Mechatronics and Automation (ICMA) Pub Date : 2022-08-07 DOI:10.1109/ICMA54519.2022.9855919

Lei Sun, Zhizhong Lu, Hong Liu, Runbo Zhang

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引用次数: 0

摘要

降雨会改变雷达图像能谱中的波数分布。基于这一特征，提出了一种从雨污染雷达图像中提取降雨强度等级的波数能谱方法。利用不同降雨强度下能量谱中的大量参数信息确定降雨强度拟合函数，并根据分类标准实时检索降雨强度等级。与雨量计同步记录的雨量进行对比，实验结果表明，该方法具有较好的雨量强度等级检索性能。

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Research on Rainfall Intensity Level Retrieval Based on Wave-Number Energy Spectrum from Rain-Contaminated X-band Marine Radar Image

Rainfall can change the wavenumber distribution in the energy spectrum of radar image. Based on this feature, a wave-number energy spectrum method for retrieving rainfall intensity level in the rain-contaminated radar image is proposed in this paper. A large number of parameter information in the energy spectrum under different rainfall intensities are used to determine the rainfall intensity fitting function, and the rainfall intensity level is retrieved in real time according to the classification standard. Compared with the rainfall recorded synchronously by rain gauge, the experimental results demonstrate that the proposed method has satisfactory retrieval performance of rainfall intensity level.

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2022 IEEE International Conference on Mechatronics and Automation (ICMA)

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