The Precise Flight Trajectory Tracking Approach of Altitude Vehicle in Unpowered Phase
ZHAI Guojun BIAN Guanglang SUN Junliang LI Liandeng XIANG Shulin TONG Yan
Acta Geodaetica et Cartographica Sinica . 2014, (11): 1109 -1117 .  DOI: 10.13485/j.cnki.11-2089.2014.0177