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4 层状模型 a—黏弹性介质速度模型;b—系数优化后傅里叶有限差分正演结果;c—傅里叶有限差分偏移结果;d—优化系数后4阶傅里叶有限差分偏移结果

Fig.4 Layered model a—velocity model of viscoclastic media;b—parameter optimization forward results;c—migration results;d—migration results of fourthorder optimized