Han Yan, born in June, 1957, dean of north university of china Graduate School, professor, doctoral supervisor, outstanding expert enjoying special government allowance, special model worker in Shanxi Province, party member of the Communist Party of China. Chairman of Shanxi Nondestructive Testing Society, member of weapon testing technology expert group. 1982 graduated from Nanjing university of science and technology with a bachelor's degree in radio; 1987 graduated from north China university of science and technology with a master's degree in weapon testing; 1998 graduated from Beijing institute of technology with a doctorate in signal and information processing. At present, he is mainly engaged in teaching and research in the fields of electronic information engineering technology, information countermeasures and information security, and digital image processing. & ampamp#65279;