一种变网格差分的快速行进法
何幼娟, 乔玉雷, 侯丽娟, 竺俊, 高刚, 王鹏

A grid-variable finite-difference fast marching method
You-Juan HE, Yu-Lei QIAO, Li-Juan HOU, Jun ZHU, Gang GAO, Peng WANG
图14 异常体速度为2 500 m/s
Fig.14 The abnormal body speed is 2500 m/s