Dr. Jingye Cai graduated from Sichuan University with a major in radio electronics in 1983, and graduated from the University of Electronic Science and Technology of China with a master's degree in signal and information processing in 1990. He has stayed at the university ever since. He has been engaged in scientific research and teaching in the fields of signal processing in modern communications (radar), frequency synthesis technology, wireless RF circuits and systems, phase noise testing and spectrum estimation technology for a long time. He is currently working as a professor at the School of Information and Software Engineering, at the University of Electronic Science and Technology of China.