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基于主成分分析的自适应宽频带瞬时谱数据融合

Keywords: 主成分分析,自适应数据融合,瞬时谱分解,宽频带

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Abstract:

?为了从瞬时谱分解的大量共频率属性数据中提取和突出与储层有关的主要信息,本文提出一种基于主成分分析的自适应数据融合方法。该方法将变换后的主成分特征值作为权重,自适应地体现各主成分在代表原始数据信息量中的贡献率,使融合后的数据更能突出和反映各频率瞬时谱数据中的有效信息,实现了宽频带瞬时谱数据的降维与优化。实际资料的应用表明,本文的方法可快速提取和突出包含在大量瞬时谱数据集中的主要信息,清晰地刻画储层的几何形态和展布特征,提高资料解释的效率。

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