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   弹性波成像 的翻译结果: 查询用时:0.174秒
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弹性波成像
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  “弹性波成像”译为未确定词的双语例句
     Elastic wave image remains in research stage.
     目前,弹性波成像仍处于研究阶段。
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     A trialexample of elastic wave image proves this research result useful.
     文中给出的弹性波成像算例,初步证实了这项研究的有效性。
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  相似匹配句对
     Reverse Time Migration of Elastic Wa ve and Its Imaging Conditions
     弹性逆时偏移及其成像条件
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     Elastic wave image remains in research stage.
     目前,弹性成像仍处于研究阶段。
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     FINITE ELEMENT ELASTIC WAVE MIGRATION
     有限单元法弹性偏移
短句来源
     Elastic wave diffraction tomography
     弹性衍射CT
短句来源
     ELASTIC WAVE REVERSE TIME MIGRATION OF LONGITUDINAL AND TRANSVERSE WAVE SEPARATE IMAGERY
     纵横独立成像弹性逆时偏移方法
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Elastic wave image remains in research stage.Phase-shift migration of elastic wave data is based on phase-shift migration of acoustic wave data.First,phase-shift migration formula based on displacement field is derived from elastic wave equation of single component in displacement field.Then,phase-shift migration of prestack elastic wave data in displacement field is achieved with the aid of seperating com- pressional wave from shear wave in time-space domain. Crosscorrelation imaging is compared with time imaging.The...

Elastic wave image remains in research stage.Phase-shift migration of elastic wave data is based on phase-shift migration of acoustic wave data.First,phase-shift migration formula based on displacement field is derived from elastic wave equation of single component in displacement field.Then,phase-shift migration of prestack elastic wave data in displacement field is achieved with the aid of seperating com- pressional wave from shear wave in time-space domain. Crosscorrelation imaging is compared with time imaging.The comparison shows that time imaging is more efficient than crosscorrelation imaging,with their results equivalent.

目前,弹性波成像仍处于研究阶段。本文根据声波相移偏移的思想,实现了弹性波资料的相移偏移。该方法先从单分量位移弹性波方程出发,导出基于位移场的相移偏移公式。然后,借助时-空域的纵、横波分离结果,实现了位移场的弹性波叠前相移偏移。另外,文中对互相关成像法和时间成像法进行了对比试验。试验结果表明,两种成像方法的效果相当,但时间成像法的效率较高。

Several approximate elastic wave equations in which reflection and conversionare weaker than in accurate ones are first discussed in the paper. They include threeelastic wave equations involving weak conversion and weak reflection,and one elas-tic wave equation having no conversion. Weak reflection and weak conversion makethe elastic wave equations be applicable to the elastic-wave reverse time recursionimage problem where interbed reverberation must be suppressed thoroughly. A trialexample of elastic wave image...

Several approximate elastic wave equations in which reflection and conversionare weaker than in accurate ones are first discussed in the paper. They include threeelastic wave equations involving weak conversion and weak reflection,and one elas-tic wave equation having no conversion. Weak reflection and weak conversion makethe elastic wave equations be applicable to the elastic-wave reverse time recursionimage problem where interbed reverberation must be suppressed thoroughly. A trialexample of elastic wave image proves this research result useful.

本文首次探讨了对弹性波在传播过程中的反射和波型转换有任制作用的弹性波方程的形式。给出了三种弱转换、弱反射弹性波方程和一种无转换弹性波方程。由于这些方程的弱反射、弱转换特性,使它们特别适用于需要压制层间混响的弹性波道时递推成像一类的工程。文中给出的弹性波成像算例,初步证实了这项研究的有效性。

 
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