叠前深度偏移是转换波最佳成像方法。
Prestack depth migration is an optimal imaging method for PSV wave.
对于倾斜界面,转换波的叠加非常复杂。
The stack of converted waves from slant interface is terribly complicated.
静校正在转换波资料处理中有很重要的作用。
Static correction is important for converted wave data processing.
但是转换波资料往往信噪比不高,面波干扰严重。
But it is always low SNR and serious interference of surface wave.
经过精细地处理,YC地区转换波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.
在此基础上,形成了转换波三参数速度分析及动校正方法。
On that basis, the methods for three-parameter velocity analysis and NMO of converted wave have been formed.
P - SV转换波静校正一直是转换波处理中的一个难题。
The static correction method of converted P-SV waves is always a problem in converted wave processing.
将这一结果应用于P-SV转换波的速度分析和叠加处理中。
The result is applied to analysis of velocity and stacking of the P-SV converted-wave.
转换波(ps)含有有效入射P波信息,从中能获得转换S波。
But, the converted waves, PS waves, containing effective information of incident compressed (p) waves, can create converted s waves.
本文以纵波的单程波方程为基础,给出了转换波的单程波方程。
Based on P-wave one-way wave-equation, the paper gave P-SV converted wave one-way wave-equation.
结果表明,在“气烟囱”模糊带处得到了较好的转换波成像剖面。
Desired converted wave images have been achieved over gas cloud area.
转换波共转换点的叠加和道集选取都需要准确地计算转换点的位置。
For converted wave stacking and trace selection of common reflection point gathering, it is required to accurately calculate the location of conversion points.
转换波的横波静校正量,可以利用x分量上记录的横波信息来解决;
The quantity for shear-wave statics can be derived solely from the shear-wave information in X-component.
分析了采集和处理中转换波勘探的若干问题,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.
为提高转换波震相识别的可靠性,在资料分析中采用了偏振滤波的方法。
Polarization filtering was employed to analyze the seismic data in order to increase the reliability in identifying the PS phases.
文章利用天然地震的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.
目前深层横波震源技术尚不成熟,大量的多波技术研究仍然是针对转换波。
At present, the deep shear wave source technique is still in juvenility, major multiwave technical studies are directed against transformed waves.
这类PS转换波与初至P波之间的到时差,可用来测定地壳和上地幔构造。
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.
而利用褶积模型理论解决转换波问题的关键是建立转换波反射系数递推公式。
However, the use of convolution model is to deduce recursion formula of the reflection for the converted wave.
利用褶积模型研究转换波正、反演问题的关键是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.
文中给出了转换波延迟时静校正量的计算公式,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.
要实现倾斜界面转换波的共转换点道集抽取和转换波叠加,必须确定转换点位置。
Conversion points must be located in order to make common conversion point gathering and stacking of converted waves from the slant interface.
本文提出了用圆滑法来解决转换波静校正问题,在实际应用中取的了很好的效果。
We use saponaceous method to find out the question here, and it gains a very good effect in.
本文利用共地面点叠加法,通过迭代的方式逐步求取较为准确的转换波的静校正量。
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.
理论模型试算的结果表明,倾角分解法DMO是一种较为理想的转换波DMO方法。
Theoretical modeling result indicates that the inclination-decomposition DMOmethod is a desirable converted-wave DMO method.
且当平面P波入射时,法向柔量对反射P波和转换波的影响均大于切向柔量的影响。
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.
在海上多波地震勘探中,P SV转换波静校正问题严重影响了转换波资料的处理质量。
The static correction problem of P-SV converted wave has seriously constrained processing quality of converted wave data during Marine multi_component seismic exploration.
理论模型和实际资料处理结果表明,该方法是一种较理想、实用的转换波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.
最后通过对模型数据和实际数据的处理,验证了方法对于处理转换波剩余静校正是有效果的。
Last through the model data and real data processing, validation of the methods in dealing with converted-wave residual static correction is effective.
通过模型和实际资料验证,改进后的算法可以解决地下反射层构造复杂时转换波静校正问题。
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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