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- Processing techniques of statics,interference wave removal,deconvolution testing,fine velocity analysis,migration imaging and modification processing were used on the original da... 处理后的剖面构造形态清晰可靠,层位接触关系清楚,波组特征明显,较好地解决了煤矿采区地质构造问题。
- Fine velocity analyses 精细速度分析
- Keywords statics;interference wave removal;decovolution testing;fine velocity analysis;migration imaging;modification processing; 关键词静校正;干扰波去除;反褶积测试;精细速度分析;偏移成像;修饰性处理;
- P-wave velocity analysis in anisotropy medium. 各向异性介质纵波速度分析。
- This work is difficult because the solutions of seismic inversion are always not unique, related to several procedures, such as the fine seismic processing, velocity analysis, and AVO analysis of BSR. 这项工作的难度体现在地震反演具有多解性。这项工作涉及到地震数据的精细处理、速度分析和BSR界面AVO分析等多个具体环节。
- Next, a study of P-wave nonhyperbolic moveout velocity analysis in azimuthally anisotropic media is performed. 在此基础上,针对方位各向异性介质模型开展了纵波非双曲时差速度分析的研究工作。
- The assumption that there is no lateral velocity variation in a stratum is usually made in velocity analysis. 通常进行速度分析时仅设地层没有速度横向变化，但是实际情况并非如此。
- The authors propose a migration velocity analysis method based on a global optimization. 提出用全局最优化偏移速度分析方法求取介电常数分布。
- Based on the theory, wave propagates through the tilted strata, the method of 3-D irregular line velocity analysis (on condition that the dip is steep) is put forward. 本文根据波在倾斜地层中的传播理论,提出在大倾角情况下的三维非规则测线速度分析方法。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
- Because of the ray asymmetry of the downgoing and upgoing waves, the velocity analysis based on the CMP gather cannot be adapted to that of the converted wave (CCP). 转换波上、下行波的不对称性,使得常规基于共中心点(CMP)道集的速度分析不能适用于转换波。
- The dip direction and dip angle of a subsurface interface must be first determined in three-parameter velocity analysis that needs predetermined dip angle. 采用预求倾角法进行三参量速度分析时,首先要确定地下界面的倾向和倾角。
- Equivalent offset migration(EOM)method,which has particular advantages in velocity analysis and imaging,provides ideas for scattered wave imaging. 研究表明,基于等效偏移距的偏移方法(EOM)在速度分析和偏移成像方面具有独特的优势,为散射波成像方法研究提供了思路。
- Equivalent offset migration (EOM) method, which has particular advantages in velocity analysis and imaging, provides ideas for scattered wave imaging. 研究表明，基于等效偏移距的偏移方法(EOM)在速度分析和偏移成像方面具有独特的优势，为散射波成像方法研究提供了思路。
- Conclusively, it is shown that the selective correlation velocity analysis is a highly accurate method of the high resolution. 结果表明,多波选择性相关度分析方法是一种高精度、高分辨率的速度分析方法。
- The 3-D prestack depth migration principally includes three parts: travetime cal-culation, Kirchhoff summation, and velocity analysis. 利用深度偏移后的道集是否拉平进行速度分析，可以进一步修改速度模型。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- The resulted traces are regularized and can be used for high signal-to-noise ratio structural imaging and high quality velocity analysis. 最终得到的叠加道可以起到数据规则化的作用，同时，也可以进行高信噪比的构造成像，提高速度分析的质量。
- Velocity analysis based on hyperbolic travel time curve is therefore not sufficient for converted waves in anisotropic media. 因此，基于双曲时距关系的速度分析方法不适用于各向异性介质转换波的速度分析。
- The quality of velocity analysis directly affects normal moveout correction, and then affects stack imaging and migration. 速度分析的质量直接影响动校正继而影响叠加成像以及偏移归位。
