摘要:本文基于经典弹性参数表征的各向异性射线追踪系统,结合时间域高斯束偏移降低积分维度的高效运算优势,针对常规算法影响计算效率的问题,实现了适于各向异性介质的时间域高斯束偏移.本文利用各向异性Sub-Sag模型验证各向异性介质时间域高斯束方法的正确性.国际标准各向异性SEG/Hess模型测试结果表明,同传统频率域各向异性介质高斯束偏移方法对比,本文方法在运算速度和适应性方面有很大优势,更适合于在地层各向异性不能忽略的目标探区处理实际地震资料.
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