In this paper,According to engineering requirements,The secondtrack reprocessing methods are further discussed on the basis of the first-track norma-lization of one kind of C~3I system.

• 本文从应用角度出发,在一类C~3I 系统一次航迹归一处理的基础上,进一步讨论了对其二次航迹进行再加工处理的方法。