• 叠前深度偏移转换最佳成像方法

    Prestack depth migration is an optimal imaging method for PSV wave.

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  • 对于倾斜界面转换叠加非常复杂

    The stack of converted waves from slant interface is terribly complicated.

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  • 校正转换资料处理中重要的作用。

    Static correction is important for converted wave data processing.

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  • 但是转换资料往往信噪比不高干扰严重

    But it is always low SNR and serious interference of surface wave.

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  • 经过精细地处理YC地区转换成像质量得到了改善。

    Imaging quality of the converted wave has been improved by precise data processing in YC area.

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  • 基础上,形成转换三参数速度分析动校正方法

    On that basis, the methods for three-parameter velocity analysis and NMO of converted wave have been formed.

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  • P - SV转换校正一直转换处理中的一个难题

    The static correction method of converted P-SV waves is always a problem in converted wave processing.

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  • 将这结果应用P-SV转换波速度分析叠加处理中。

    The result is applied to analysis of velocity and stacking of the P-SV converted-wave.

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  • 转换(ps)含有有效入射P信息,从中获得转换S

    But, the converted waves, PS waves, containing effective information of incident compressed (p) waves, can create converted s waves.

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  • 本文单程方程为基础,给出转换的单程方程。

    Based on P-wave one-way wave-equation, the paper gave P-SV converted wave one-way wave-equation.

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  • 结果表明,在“烟囱”模糊带得到了较好的转换成像剖面

    Desired converted wave images have been achieved over gas cloud area.

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  • 转换转换叠加选取需要准确地计算转换位置

    For converted wave stacking and trace selection of common reflection point gathering, it is required to accurately calculate the location of conversion points.

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  • 转换波静校正可以利用x分量上记录的横信息来解决;

    The quantity for shear-wave statics can be derived solely from the shear-wave information in X-component.

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  • 分析采集处理转换波勘探若干问题提出了相应的解决方法。

    This paper analyzes some problems in converted-wave seismic data acquisition and processing, corresponding strategies are given.

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  • 提高转换波震相识别的可靠性资料分析采用偏振方法。

    Polarization filtering was employed to analyze the seismic data in order to increase the reliability in identifying the PS phases.

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  • 文章利用天然地震PS转换波研究了北部湾陆缘地区的地壳结构特征。

    By the data of PS-waves of the earthquakes, the crustal structure of the margin of the Beibu Gulf is studied in this paper.

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  • 目前深层震源技术成熟,大量的多技术研究仍然是针对转换

    At present, the deep shear wave source technique is still in juvenility, major multiwave technical studies are directed against transformed waves.

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  • PS转换初至P之间到时差可用测定地壳上地幔构造

    The difference of arrival times between such PS and pp waves can be used to determine the structures in the earth's crust and upper mantle.

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  • 利用模型理论解决转换问题关键建立转换波反射系数公式

    However, the use of convolution model is to deduce recursion formula of the reflection for the converted wave.

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  • 利用褶积模型研究转换反演问题关键建立转换反射系数递推公式

    The essential of studying the forward and inverse problems of converted wave with the use of convolution model is to deduce recursion formula of the reflection coefficient.

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  • 文中给出了转换延迟校正量计算公式,并用实际地震数据进行了检验。

    The paper gave computational formula of converted wave statics by delay times and proved the method by practical seismic data.

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  • 实现倾斜界面转换转换点道抽取转换波叠加必须确定转换位置

    Conversion points must be located in order to make common conversion point gathering and stacking of converted waves from the slant interface.

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  • 本文提出了圆滑解决转换波静校正问题在实际应用中取的了好的效果

    We use saponaceous method to find out the question here, and it gains a very good effect in.

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  • 本文利用地面叠加通过迭代方式逐步求取较为准确转换校正量。

    In this paper, it exploit the method based on common ground point fold step by step to strike a more accurate conversion of wave static correction by iteration.

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  • 理论模型试算的结果表明,倾角分解DMO一种较为理想转换波DMO方法

    Theoretical modeling result indicates that the inclination-decomposition DMOmethod is a desirable converted-wave DMO method.

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  • 平面P入射时,法向反射P转换波影响大于切向量的影响。

    It is showed that the normal compliance has much influence on P-P and P-S reflections than that shear compliance do when the incident wave is P-wave.

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  • 海上地震勘探P SV转换校正问题严重影响了转换波资料处理质量

    The static correction problem of P-SV converted wave has seriously constrained processing quality of converted wave data during Marine multi_component seismic exploration.

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  • 理论模型实际资料处理结果表明方法一种较理想实用转换DMO处理方法。

    Theoretical models and real data processing results show that the method is satisfactory and practical for the DMO processing of P-SV wave.

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  • 最后通过模型数据实际数据处理验证方法对于处理转换波剩余校正有效果的。

    Last through the model data and real data processing, validation of the methods in dealing with converted-wave residual static correction is effective.

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  • 通过模型实际资料验证,改进后算法可以解决地下反射层构造复杂转换波校正问题

    Being verified by the model and actual data, the method is proved to be effective in resolving the problem of statics in the complex structure.

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