预条件共轭梯度反褶积及其应用

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预条件共轭梯度反褶积方法是结合稀疏反褶积的实现,运用优化的预条件共轭梯度法,完成反射系数的反演.用该方法处理地震资料时可提高资料频率,展宽有效频率宽度.但由于地震信号具有时变性,因此本文将该反褶积过程中的子波用多尺度时变子波代替.由数值算例可以看出,该方法可取得较好的实用效果.
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