上海大学学报(自然科学版) ›› 2006, Vol. 12 ›› Issue (4): 342-346 .
陈晓昕1,张红霞2,倪维立1
CHEN Xiao-xin1,ZHANG Hong-xia2,NI Wei-li1
1. School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China;
2. Aviation Industry Development Research Center of China, Beijing 100012, China