Technology and Applications of Surveying and Mapping for ZY-3 Satellites

This paper systematically summarizes the research and development of technology and product since the launch of the ZY-3 surveying and mapping satellite,as well as the data application.Based on the introduction about satellite system technical parameters,this paper describes the processing methods about radiation correction,attitude post-processing,geometric calibration and imaging geometric model,and introduces the project realization in the past 5 years.The application of the data is summarized and analyzed,and the development prospect of the mapping satellite is briefly expected