Expert of China second generation satellite navigation system major special test evaluation and test verification expert group; Experts from the Ground System Group of the Major Special Expert Committee of High Resolution Earth Observation System; Consultant of satellite application technology professional group of the General Armament Department during the Twelfth Five-Year Plan period; Director of Shanghai Key Laboratory of Beidou Navigation and Location Service, General Armament Department; Member of Academic Committee of Shanghai Jiaotong University; Member of the Academic Committee of the Key Laboratory of National Defense Science and Technology for Radar Signal Processing; Chairman of Shanghai Satellite Navigation and Positioning Industry Technology Innovation Strategic Alliance; Member of Academic Committee of Key Laboratory of High Speed Electronic System Design and Electromagnetic Compatibility of Ministry of Education and Shanghai Key Laboratory of Space Navigation and Positioning Technology. Deputy head of the expert group in the field of earth observation and navigation technology of the "Eleventh Five-Year Plan" National 863 Plan; Deputy head of the satellite application technology professional group of the General Armament Department during the Eleventh Five-Year Plan period; Expert group on major special planning of high-resolution earth observation system; Member of Information Department of Science and Technology Committee of Ministry of Education; Editors of Electronics Magazine, Infrared and Millimeter Wave Magazine and Science and Technology Herald; Member of the National Intelligent Transportation System Technical Advisory Expert Committee; Expert of the fifth special topic expert group of 308 topics in the field of information technology of the National 863 Program; Leader of the first and second expert groups on the technical subject of information acquisition and processing of the "Tenth Five-Year Plan" National 863 Program; During the Tenth Five-Year Plan period, experts from the radar detection technology professional group of the General Armament Department; Consultant of the first science and technology committee of Air Force Equipment Research Institute.