中文摘要：

Yugang Jiang, male, M. S. postgraduate of Department of Computer Science; main research fields： pattern recognition and spectra analysis; E-mail： yugang, iiang@sohu.com. Ping Guo, male, IEEE senior member, professor; main research fields： neural network, image process, sottware reliability engineering, pattern recognition and spectra analysis; E-mail：pguo@ieee.org.