The 3dvar data assimilation system has the ability to assimilate gms - 5 cloud drifted winds and toys data . the numerical simulation experiments of typhoon processes are carried out using the 3dvar data assimilation system 该同化系统有同化gms一5的红外和水汽轨迹风数据和tovs温湿数据的能力并可在pc机的linux系统下顺利运行。