Lei ZHOU received the B.S. and M.S. degrees from the Department of Mathematics, XuZhou Normal University, China, in 2001 and 2004, respectively. He joined Nantong University, Jiangsu, China, in 2004. Currently, he is a Ph.D. candidate of the Department of Mathematics, East China Normal University. His current research interests include nonlinear signal processing, descriptor system control and networked control. Guoping LU received the B.S. degree from the Department of Applied Mathematics, Chengdu University of Science and Technology, China, in 1984 and the M.S. and Ph.D. degrees from the Departtnent of Mathematics, East China Normal University, China, in 1989 and 1998, respectively. He is currently a pro-fessor at the College of Electrical Engineering, Nan-tong University, Jiangsu, China. His current research interests include nonlinear signal processing, robust control and networked control.