Cheng-Wu Lin, Cheng-Chung Lu, Chun-Po Huang, Soon-Jyh Chang, and Jai-Ming Lin
Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan, R.O.C.
Icw@sscas.ee.ncku.edu.tw;louislu2@hotmail.com;gppo@sscas.ee.ncku.edu.tw;soon@mail.ncku.edu.tw;jmlin@ee.ncku.edu.tw