Liu Zhen, Yang Xiao-Chao, Zhang Xiao-Xin, Zhang Shen-Yi, Yu Qing-Long, Zhang Xin, Xue Bing-Sen, Guo Jian-Guang, Zong Wei-Guo, Shen Guo-Hong, Bai Chao-Ping, Zhou Ping, Ji Wen-Tao. On-orbit cross-calibration and assimilation for relativistic electron observations from FengYun 4A and GOES-13J. Acta Physica Sinica, 2019, 68(15): 159401. DOI: 10.7498/aps.68.20190433