上海大学学报(自然科学版) ›› 2007, Vol. 13 ›› Issue (4): 471-476 .
金彦亮1,杨宇航2,蒋轶凡1
JIN Yan-liang1, YANG Yu-hang2, JIANG Yi-fan1
1. School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China; 2. Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200030, China