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高空降雨云层作为一种气象目标,也是对雷达波的吸收体,降雨路径上造成的衰减会对气象信息的探测带来严重的影响。文中设计了一种具有降雨路径补偿的机载雷达气象方式,引入了降雨区衰减和降雨率的关系,将近端降雨区的衰减量作为参数解算远端降雨率,并对其原理、算法和实现方法作了详细阐述。通过对实测数据处理验证表明:具有降雨路径补偿的气象方式可以更准确地反映气象环境,保证飞行安全。
High altitude rain clouds as a meteorological target, but also on the radar wave absorber, the attenuation caused by the rainfall path will have a serious impact on the detection of meteorological information. In this paper, an airborne radar meteorological method with rainfall path compensation is designed. The relationship between rainfall attenuation and rainfall rate is introduced. The attenuation of near-end rainfall is used as a parameter to calculate the remote rainfall rate. The principle, algorithm And the realization method is elaborated. The verification of the measured data shows that the meteorological method with rainfall path compensation can reflect the meteorological environment more accurately and ensure the flight safety.