time migration中文是什么意思

• 时间偏移

• "time"中文翻译    n. 1.时，时间，时日，岁月。 2.时候，时刻；期间； ...
• "migration"中文翻译    n. 1.移住，迁移；移动；徙动。 2.(鸟)移栖，迁徙 ...
• "migration time" 中文翻译 :    迁移时间; 移动时间
• "time of migration" 中文翻译 :    候鸟迁徙期
• "finite difference time migration" 中文翻译 :    有限差分时间偏移
• "full time-migration" 中文翻译 :    全时间偏移
• "migration time window" 中文翻译 :    移动时间窗口
• "resolved-time migration" 中文翻译 :    分解时间偏移法
• "reverse time depth migration" 中文翻译 :    逆时深度偏移
• "reverse-time migration" 中文翻译 :    逆时偏移
• "the window of migration time" 中文翻译 :    迁移时间窗口
• "time migration after stack" 中文翻译 :    叠后时间偏移
• "time of primary migration" 中文翻译 :    初次运移时间
• "real time data migration module" 中文翻译 :    实时数据迁移模块
• "in migration" 中文翻译 :    国内人口迁移
• "in-migration" 中文翻译 :    国内人口迁移；向内人口迁移; 移来
• "migration" 中文翻译 :    n. 1.移住，迁移；移动；徙动。 2.(鸟)移栖，迁徙；(鱼)洄游；(植物)侵移。 3.移住者群，移栖群。 4.【化、物】原子移动；电离子的移动。
• "acid migration" 中文翻译 :    酸移转
• "acyl migration" 中文翻译 :    酰基转移作用
• "additive migration" 中文翻译 :    添加剂迁移
• "adhesive migration" 中文翻译 :    胶粘剂的迁移
• "adult migration" 中文翻译 :    成年洄游; 成育洄游
• "age migration" 中文翻译 :    年龄侵移
• "agent of migration" 中文翻译 :    迁移动力
• "alimental migration" 中文翻译 :    觅食洄游; 取食[索饵]回游; 取食回游

• Prestack migration is performed by reverse - time migration method based on maxwell ' s equations using time - domain finite - difference method
  叠前偏移用时间域有限差分求解麦克斯韦方程组的逆时偏移方法实现。
• Compared to poststack time migration , prestack time migration results in clear images of fractures and cavities in the ordovician carbonate rocks , and definite unconformities at top of the ordovician
  叠前时间偏移与叠后时间偏移结果相比，具有丰富的奥陶系碳酸盐岩裂缝溶孔内幕，清晰的奥陶系顶不整合面。
• As mentioned above , the easiest run time migration approach is to make community edition and websphere application server co - exist on the same hardware until the development and the test teams are comfortable with the new systems to which they are migrating
  正如前面所提到的，最简单的运行时迁移方法是community edition和websphere application server共存于相同的硬件之上，直到开发和测试团队熟悉了他们正在迁移的新系统为止。
• Compared with the conventional finite - difference method on the fixed grid - size rectangular grids , the new method can be more cost - effective in complex models . numerical tests for both seismic modeling and reverse - time migration are performed on various theoretical models and a physical experiment
  用该剖分方法得到的网格在各速度层内的空间步长是不同的，而全区域上的时间步长却近于恒定，因此在复杂模型上，本文方法的计算效率要高于传统的矩形网格差分方法。
• The frontal structure of longmenshan in the west of sichuan is very complex , showing intense structure deformation in overthrust belt , high structure amplitude , steep stratigraphic dip , developed fault blocks , complex seismic wave field , frequent change of lateral velocity , and poor image of post - stack time migration processing
  摘要川西龙门山前缘构造非常复杂，逆掩推覆构造带构造形变强烈，构造幅度大，地层倾角陡，断块发育，地震波场复杂，速度横向变化大，常规叠后时间偏移处理成像效果较差。
• Prestack migration method , based on wave motion equation , is also developed for receiver function , and compared with ray method . both p - to - s conversion wave and direct p phase contained in receiver function are migrated and imaged by reverse - time migration for data gather including all receiver functions recorded in all seismological stations for one event , and imaging profile is finally obtained by stacking for all events
  本文还在接收函数射线反投影叠加成像的基础上，提出了一种基于波动方程的接收函数叠前偏移成像方法，将同一事件接收函数中的转换波和直达p波震相以各自的速度向深度方向逆时延拓成像，并通过不同慢度接收函数的叠加，得到最终的偏移成像结果。
• This paper presents the prestack time migration to curved rays for minor fault blocks , which is of more accurate migration , allowing the travel - time equation to be more close to the real pathway of layered media seismic wave propagation , the focused imaging to be more precise , the migrated results to be of good preserved amplitude processing property and the output trace gathers to be used for the lithologic analysis and inversion study
  采用弯曲射线叠前时间偏移技术使小断块准确偏移归位，其走时方程更接近层状介质地震波的真实传播路径，成像聚焦更精确，且通过特殊振幅处理，其偏移结果有很好的保幅性，输出的道集可以用于岩性分析和反演研究。
• A new finite - difference method is developed for seismic modeling and reverse - time migration based upon the voronoi cell construction on irregular grids . curved velocity boundaries and irregular earth surface can be accurately represented using the irregular grid implementation . therefore the modeled and migrated results can be more accurate , and meanwhile , the efficiency is still preserved using an explicit finite - difference scheme
  本文的方法可以实现任意非规则网格上的显式差分计算，因此该方法在保持了传统的矩形网格差分算法简单、高效特点的同时，又能精确地描述弯曲界面和起伏地表，提高了有限差分地震模拟和偏移结果的精度。