Dr. Yandong Gao is an Associate Professor at the School of Environment and Surveying and Mapping, the China University of Mining and Technology. He completed his PhD studies in Geodesy and Survey Engineering at the China University of Mining and Technology, and is a visiting postdoctoral fellow at the Center for Land Satellite Remote Sensing Applications of the Ministry of Natural Resources. He has published more than 30 academic papers, including 17 SCI search papers and 4 EI search papers, and serves as a reviewer for several SCI journals. His research topics mainly include: phase unwrapping, interferometry, SAR, INSAR monitoring, scattering, and RADARSAT.