王维红;张振;石颖;李莹;

• 1:东北石油大学地球科学学院

摘要(Abstract)：

空间截断效应降低传统Radon变换压制多次波的精度.提出一种λ-f域抛物Radon变换方法,与传统最小二乘抛物Radon变换相比,地震数据变换到λ-f域后表现为直线的映射,更便于设计滤波函数,从而有效消除传统多次波压制过程中空间截断效应的影响.另外,新变量λ的引入,使Radon正反算子成为与频率无关的矩阵,可大幅度提高计算效率.理论模型和实际海洋地震数据多次波压制试算结果表明,提出的λ-f域抛物Radon变换法可有效实现多次波压制,提高地震数据的信噪比,具有较强的实用性.

关键词(KeyWords)：Radon变换;多次波压制;λ-f域;计算效率

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41474118);; 国家高技术研究发展计划(863计划)项目(2012AA061202)

作者(Author):王维红;张振;石颖;李莹;

Email:

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