Dr.Zhang Shumin is a professor at the University of Washington and a distinguished professor at Southeast University. He has applied for nearly 50 domestic and foreign invention patents, published many papers in important foreign academic journals, wrote a MONographs of RF-MEMS, and is a professional reviewer of many well-known electronic journals and journals at home and abroad. He has worked in Lucent Technologies and Hughes Network Systems for many years as the technical director, mainly engaged in front-end technology design and architecture design of wireless communication. As the technical leader of the team, he has led the projects of digital satellite communication, mobile radio front-end, digital mobile communication base station for more than ten years, and has rich experience in radio frequency communication industry.