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HIGH RESOLUTION RADON TRANSFORM AND WAVEFIELD SEPARATION

机译:高分辨率氡变换和波场分离

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Radon transform (RT) has been widely applied in seismic data processing and interpretation, it owns fine effect in the events identification, wavefield separation, de-multiples, velocity analysis etc. This paper discusses the factors that affect the resolution of RT and the strategies for achieving the high resolution. We solve the spare matrix by the conjugate gradient [6], which does not affect the resolution and improves the computation efficiency. On the basis of the differences of velocity and intercept time between p-wave and s-wave, we separate the seismic waves by the high resolution hyperbolic RT. With theoretical models and the practical data, it makes clear that the resolution and computation efficiency of the conjugate gradient for solving the hyperbolic RT algorithm is better and more practical to separate the wavefields.
机译:氡变换(RT)已广泛应用于地震数据处理和解释,它在事件识别,波场分离,倍数,速度分析等中拥有微量效果。本文讨论了影响RT和策略的分辨率的因素实现高分辨率。我们通过共轭梯度[6]来解决备用矩阵,这不会影响分辨率并提高计算效率。基于P波和S波之间的速度和截取时间的差异,我们将地震波分离为高分辨率双曲线RT。利用理论模型和实际数据,可以清楚地说明求解双曲线RT算法的共轭梯度的分辨率和计算效率更好,更实用,以分离波场。

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