3Kirubarajan C,Bar-shalom B. Probabilistic data associationtechniques for target tracking in clutter[ J] . Proceedings ofthe IEEE,2004,92(3) :536 -556.
4WuHY.A comparative study of using grey relational analy-sis in multiple attribute decision making problems [ J] . Qual-ity Engineering,2002,15(2) :209 -217.