黏声波高阶傅里叶有限差分法参数优化成像

肖世鹏, 熊高君, 袁梦雨, 毛明秋, 王胜艺, 韦增涛

Parameter optimization and imaging of visco-acoustic media using high-order Fourier finite-difference method

XIAO Shi-Peng, XIONG Gao-Jun, YUAN Meng-Yu, MAO Ming-Qiu, WANG Sheng-Yi, WEI Zeng-Tao

图3 点绕射模型 a—均匀介质中的点绕射模型;b—四阶有限差分算子优化正演;c—相移法正演;d—不同Q值波场变化对比

Fig.3 Point diffraction model a—point diffraction model;b—forward results of fourth-order optimized;c—phase shift method forward;d—comparison of different Q values