物探与化探Issue(4)：791-796,6.DOI:10.11720/wtyht.2015.4.22
基于稳定逆时传播算子的黏声介质最小二乘逆时偏移
The least-squares reverse time migration for visco-acoustic medium based on a stable reverse-time propagator
摘要
Abstract
Based on a single SLS isotropic medium second⁃order pseudo⁃differential equation, the authors used the pseudo⁃spectral method to calculate numerical simulation.The authors propose introduction of regularization operator method to eliminate high⁃frequency instability caused by the backward propagation inverse process so as to build a stable reverse⁃time propagator and to achieve the ampli⁃tude compensating visco⁃acoustic medium least⁃squares reverse time migration.Marmousi model shows that,compared with least⁃squares reverse⁃time migration visco⁃acoustic least⁃squares reverse⁃time migration can correct the effect of viscosity and produce more accurate and better reliable amplitude preservation imaging section.关键词
黏声介质/拟微分方程/逆时传播算子/最小二乘逆时偏移Key words
visco-acoustic medium/pseudo-differential equation/reverse-time propagator/least-squares reverse-time migration分类
天文与地球科学引用本文复制引用
邓文志,李振春,王延光,孙小东..基于稳定逆时传播算子的黏声介质最小二乘逆时偏移[J].物探与化探,2015,(4):791-796,6.基金项目
国家自然科学基金项目（41374122）；国家科技重大专项项目 （）
