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3 y=1 km处的速度相对误差切片 a—基于水平地表假设的初至走时层析反演模型相对误差;b—菲涅尔体初至走时层析反演模型相对误差;c—本文方法反演模型相对误差

Fig.3 The slices of velocity relative errors at y=1 km a—the relative errors of the velocity model inverted by the first-arrival traveltime inversion based on horizontal observation surface;b—the relative errors of the velocity model inverted by the Fresnel first-arrival traveltime tomography;c—the relative errors of the velocity model inverted by the proposed method