1991—In 2002, I worked in Henan Institute of Surveying and Mapping Engineering. Mainly engaged in routine survey, GPS survey, full digital mapping, full digital photogrammetry and digital mapping.
Among them, 1997- 1998 participated in the GIS postgraduate class of Wuhan University, and 200 1 obtained the master's degree in engineering;
From 2002 to 2005, he studied in Wuhan University, majoring in photogrammetry and remote sensing, and obtained a doctor's degree in engineering.
Since 2006, I have been engaged in the teaching and scientific research of geospatial information science in the Department of Geographic Information Engineering, School of Water Conservancy and Environment, Zhengzhou University.