Sun Dexin, Professor, doctoral supervisor, Secretary General of Hyperspectral Remote Sensing Technology and Application Professional Committee of China Remote Sensing Application Association, Deputy Chairman of Imaging Spectrum Professional Committee of China National Committee of International Digital Earth Society, member of Space Remote Sensing Professional Committee of China Society of Space Science. He has been engaged in technology research and development in the field of infrared hyperspectral photoelectric remote sensing technology for more than 20 years, and has profound theoretical foundation and rich practical experience in space information acquisition and processing, satellite payload, photoelectric information processing, etc. Currently, he is mainly engaged in technical research and system design in space information acquisition and processing technology, satellite payload technology, photoelectric information processing and other aspects, and his research work focuses on the design and information processing of infrared and hyperspectral photoelectric imaging system and electronic system. He has presided over or participated in more than ten national major scientific research projects related to the development of infrared and hyperspectral loads, the National 863 plan and model tasks, and presided over one national key research and development plan project as the project leader, and presided over the development of the IRS of  HJ-2 satellite . He has published more than 40 papers in authoritative journals or core journals, 13 of which have been included by SCI and EI, and more than 20 patents have been declared. It has won two first prizes of provincial and ministerial science and technology progress.