In this paper typical radiation inversions are analyzed the echo by sodar sounding and the data of raradiosondes and observations on winter in Chengdu, and then its charcteristic is pointed.

• 本文利用测温声雷达的探测结果，借助同期探空和地面观测资料，分析了成都平原典型辐射逆温的生消演变规律，指出了其主要特征。