Zhang Xingfu, male, doctor, associate professor, 1977, was born in Linyi, Shandong Province in September, 1989. 200 1 Bachelor degree in Surveying and Mapping Engineering from Jilin University; Instructed undergraduates to participate in scientific research, and won the second prize of the Provincial Challenge Cup 1 and the third prize of the National College Students' Surveying and Mapping Science and Technology Innovation Paper Competition. Main research interests: (1) satellite gravity theory and method (2)GNSS technology and its application; (3) Research and development of measurement data processing theory, method and software;