三维起伏地形下回折波快速走时层析及其静校正应用

杨华臣, 葛大明, 王忠成, 王磊, 袁永祺

Fast first-arrival traveltime tomography of diving waves under rugged surface and its application to static correction

YANG Hua-Chen, GE Da-Ming, WANG Zhong-Cheng, WANG Lei, YUAN Yong-Qi

图6 反演速度模型及其在x=3 km处的速度切片 a—基于水平地表假设的初至走时层析模型;c—菲涅尔体初至走时层析模型;e—本文方法反演速度模型;b、d、f—左侧对应速度模型在x=3 km处的速度切片

Fig.6 Inverted velocity models and slices at x=3 km a—the models constructed by the first-arrival traveltime inversion based on horizontal observation surface;c—Fresnel first-arrival traveltime tomography model;e—the model inverted by the proposed method;b、d、f—the slices at x=3 km corresponding to the models at the left column respectively