Design and Data Processing of China's First Spaceborne Laser Altimeter System for Earth Observation: GaoFen-7. - Junfeng Xie 001; Genghua Huang; Ren Liu; Chenguang Zhao; Jun Dai; Taoyong Jin; Fan Mo 001; Ying Zhen; Shaoli Xi; Hongzhao Tang; Xianhui Dou; Chenchen Yang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020)