| Affiliation: | 1. School of Computer Science, Xi’an Polytechnic University, Xi’an, Chinaliubaobao1222@163.com;3. Istituto di Scienza e Tecnologie dell‘Informazione, ‘‘A. Faedo’’, CNR, Pisa, Italy;4. School of Computer Science and Technology, Xidian University, Xi’an, China;5. Dipartimento di Ingegneria dell’Informazione, University of Pisa, Pisa, Italy;6. School of Computer Science, Xi’an Polytechnic University, Xi’an, China;7. Institute of navigation and intra-satellite link technology, China Academy of Space Technology, Beijing, China |
