【摘要】 首先阐述了各种图象平滑处理方法的特点，在仔细分析天气雷达数字化回波图特征的基础上，采取快速中值滤波的方法平滑天气雷达回波图，并得到了满意的结果更多还原

【Abstract】 Various methods of image smooth processing are introduced.Based on analysis of the feature of digital echo of weather radar,the fast medium value filter are used to smooth the digital echo of weather radar.The effect is suitable for practical application.更多还原