近地表速度建模研究现状及发展趋势
王振宇1,2, 杨勤勇1, 李振春2, 胡光辉1, 尹力1,2, 王杰1

Research Status and Development Trend of Near-Surface Velocity Modeling
Wang Zhenyu1,2, Yang Qinyong1, Li Zhenchun2, Hu Guanghui1, Yin Li1,2, Wang Jie1
图6 偏移成像放大结果对比 a和b分别是 图5 a实线框和虚线框放大结果;c和d分别是 图5 b实线框和虚线框放大结果 [ 59 ]
Fig 6 Zoomed views of migration images from the marine data. Using the traveltime tomogram, the Kirchhoff migration images inathe solid box andbthe dashed box are obtained. Using the waveform tomogram, the Kirchhoff migration image incthe solid box anddthe dashed box are obtained [ 59 ]