中文摘要：

QIN Wei （秦伟） was born in Beijin, China, in 1977. In 1999, he got the bachelor degree from the Harbin Engineering University. In 2002, he got the master degree from the Huazhong University of Science and Technology. Now he is pursuing Ph.D. degree in South China University of Technology. His interests include pattern recognition, signal processing, audio-visual speech recognition. WEI Gang （韦岗） was born in Guangxi, China, in 1963. In 1984, he got the bachelor degree from the Tsinghua University, In 1987 and 1990, he respectively got the master degree and the doctor degree from the South China University of Technology. Now he is a professor and doctoral advisor in South China University of Technology. His research interests are in the area of wireless digital communication, IC design and