Hu Jun received tile B.S., M.S., and Ph.D. degrees in electromagnetic field and microwave technique from the Department of Microwave Engineering, University of Electronic Science and Technology of China (UESTC), in 1995, 1998, and 2000, respectively. During 2001, he was a research assistance in the Center of Wireless Communication, City University of Hong Kong. He is currently a full professor in the School of Electronic Engineering, UESTC. He is the author or coauthor of more than 100 technical papers. His current research interests include computational electromagnetics, electromagnetic scattering and radiation, and electromagnetic compatibility. E-mail: hujun@uestc.edu.cn Nie Zaiping received the B.S. degree in radar engineering and M.S. degree in electromagnetic field and microwave technique from Chengdu Radio Engineering Institute, now University of Electronic Science and Technology of China (UESTC), in 1968 and 1981, respectively. From 1987 to 1989, he was a visiting scholar in the Electromagnetic Laboratory, University of Illinois, Urban Champagne. He is currently a full professor in the School of Electronic Engineering, UESTC. He is the author or coauthor of more than 300 technical papers. His current research interests include antenna theory and technique, field and wave in inhomogeneous media, computational electromagnetics, electromagnetic scattering, and inverse scattering. Que Xiaofeng received the Ph.D. degree in electromagnetic field and microwave technique from the Department of Microwave Engineering, Univer- sity of Electronic Science (UESTC), in June, 2008 and Technology of China Now he is a lecturer of School of Electronic Engineering, UESTC. His current research interests include computational electromagnetics, electromagnetic scattering, antenna theory and technique. Meng Min received the M.S. degree in electromagnetic field and microwave technique from the Department of Microwave Engineering, University of Electronic Science and Technology of China (UESTC), in June, 200