Lei Yan has completed his Ph.D. from Tsinghua University and postdoctoral studies from Peking University School of Earth and Space Science. He is the Director of Beijing Key Lab of Spatial Information Integration & Its Applications. In the past 10 years, more than 240 articles are published, about 30 of them are indexed by SCI and 80 are indexed by EI. He is one of the "Hundred Talents" of Changchun Institute of Optics and Fine Mechanics. His research on PRS was awarded as the first Award for Natural Science of Beijing in 2012.