Space target sphere grid index based on orbit restraint and region query application
LYU Liang, SHI Qunshan, LAN Chaozhen, CHEN Yu, LIU Yiping, LIANG Jing
Journal of Computer Applications . 2017, (7): 2095 -2099 .  DOI: 10.11772/j.issn.1001-9081.2017.07.2095