Corresponding author.Maoyan Wang was born in Shandong, China, in 1979. She received the B.S. degree in physics from Ludong University, Yantai in 2004, M.S. degree from Xidian University, Xi'an, China, in 2006 and Ph.D. degree from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2009. She is currently an associate professor with UESTC. Hermain research interests include millimeter wave circuit and systems, computation electromagnetic and metamaterials. E-mail: wmybrimlhl @ 163.com Chengwei Qiu was born in 1975. He received his M.S. degree from University of Science and Tech- nology of China in 2003, and Ph.D. degree from National University of Singapore (NUS) in 2005. Now he is an assistant professor with NUS. His research interests include electromagnetic modeling of artificial anisotropic and magnetoelectric materials, metamaterial, metamaterial antennasand transformation-based antennas. E-mail: eleqc@ nus.edu.sg Jun Xu was born in 1963. He received the B.S. degree from University of Etectrotlic Science and Technology of China (UESTC) Chengdu, China, in 1984, and M.S. degree from UESTC, in 1990, China. He is currently a professor with UESTC. His research interests include electromagnetic theory and microwave technology, millimeter wave hybrid integrated technology, millimeter wavecommunication and radar RF technology. E-mail:uestcjx @ 126.com Yuliang Dong was born in Sichuan, China, in 1972. He received the B.S. degree in electronic engineering from Northwestern Polytechnical University, Xi'an, China, in 1993, and Ph.D. degree from Beijing University of Aeronautics and Astronautics, Beijing, in 2005. He is currently an associate professor with University of Electronic Science and Technology of China. His researchinterests include microwave wave circuit and microwave CAD technology. E-mail: dongyull@ 163.com Hu Zheng was born in Hubei, China, in 1979. He received the M.S. degree from Xidian University, Xi'an, China, in 2005 and Ph.D. degree from t