Panlong Wu Yuming Bo Jianshou Kong Xingxiu Li Passive tracking using TDOA for super-low-altitude target. 682-685 2010 ICARCV https://doi.org/10.1109/ICARCV.2010.5707261 conf/icarcv/2010 db/conf/icarcv/icarcv2010.html#WuBKL10