Dong Han, Liangjiang Zhou, Zekun Jiao, Bingnan Wang, Yachao Wang, Yirong Wu, Aerospace Information Reasearch Institute, Chinese Academy of Sciences, China
Kun Qian, Technical University of Munich, Germany; Yuanyuan Wang, German Aerospace Center (DLR), Germany; Yilei Shi, Technical University of Munich, Germany; XIao Xiang Zhu, German Aerospace Center (DLR), Germany