In this paper, the shortage of VIL product on Doppler radar is expatiated, and a new algorithm with spatial integration of reflectivity value is proposed.

• 摘要首先分析了多普勒雷达垂直累积液态含水量(VIL)产品的不足之处，并在此基础上提出了直接将雷达反射因子作空间积分的算法；