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3D高阶抛物Radon变换地震数据保幅重建

DOI: 10.6038/cjg20140917, PP. 2918-2927

Keywords: 3D高阶Radon变换,AVO数据,保幅重建

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Abstract:

本文结合传统3D抛物Radon变换(PRT)和AVO数据正交多项式拟合,给出了3D高阶抛物Radon变换方法(HOPRT).该变换增加了描述AVO数据变化的梯度信息和曲率信息,拓展了传统3D抛物Radon变换方法,使其在具有AVO特征的数据重建中具有更高的准确度,从而提高AVO分析的可靠性.文中给出了3D高阶抛物Radon变换进行地震数据保幅重建的流程.理论模型和实际地震资料的重建结果显示了本文方法的优点.

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