Wanlin Zhai Jianhua Zhu Chuntao Chen Longhao Yan Xiaoqi Huang Calibration of Hy-2a Satellite Altimeter Based on GPS Bouy. 8300-8303 2019 IGARSS https://doi.org/10.1109/IGARSS.2019.8900272 conf/igarss/2019 db/conf/igarss/igarss2019.html#ZhaiZCYH19