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- This thesis bases on the acoustic wave equation, uses the wavefield extrapolation operator in frequency-wavenumber domain to analyze the migration velocity error. 声学波动方程描述了声波动现象的物理本质,本文基于声学波动方程,借助于频率波数域的波场延拓算子来开展偏移速度误差的分析。
- Fourier finite-difference large-step wavefield extrapolation Fourier有限差分大步长波场延拓
- wavefield extrapolation method 波场延拓法
- Wavefield extrapolation 波场延拓
- METHOD OF CREATING SHORT OPERATOR OF WAVEFIELD EXTRAPOLATING 波场延拓短算子构造方法
- Use data extrapolation to forecast the sales data. 使用数据外推法来预测销售数据。
- In explicit depth extrapolation method of frequency-space fields, wavefield depth extrapolation is completed with convolution of short explicit difference operators and the wavefield. 摘要在频率-空间域显式叠前深度偏移中,波场深度延拓是通过显式差分短算子与波场的空间褶积完成的。
- Separating the interference wavefield is a key to the VSP data processing. 把相互干涉的波场分开,是VSP数据处理的关键。
- Their age can be determined by extrapolation from their growth rate. 它们的年龄可从其生长速度来推定。
- Furthermore, some measurements may have been estimated through extrapolation. 此外,有些测量是通过推算而估计的。
- C_p and M_n were obtained by kinetie extrapolation and GPC, respectively. C_p用动力学外推法求取,分子量用凝胶渗透色谱法测定。
- Lin Qun, Finite Element Method: Accuracy and Extrapolation(to appear). 朱起定;林群;有限元超收敛理论;湖南科技出版社;长沙;1989.
- Aitken Extrapolation algorithm use Aitken transform to reduce iterations. Aitken Extrapolation算法使用Aitken变换以减少迭代次数,但Aitken变换在多数情况下无法确保算法收敛。
- The extrapolation technology in structural topology optimization was discussed. 摘要研究了拓扑结构优化中的插值技术。
- Obviously, this scenario is an extrapolation from current technologies. 明显的是,这一幕是根据现有技术推断出来的。
- Large-step wavefield depth extrapolation 大步长波场深度延拓
- Because of the same reason, the singular property of the wavefield near the source point can be treated analytically. 基于同样的原因,场源附近的波场奇异性可以精确地算出。
- Crosswell seismic wavefield contains different wave such as reflection waves, direct waves, and tube waves. 井间地震波场丰富,含有反射波、直达波和管波等多种波型。
- The complex seismic wavefield beneath high velocity layer was investigated on layer stripping observations of seismic physical model. 通过地震物理模型的分层观测,详细研究了高速屏蔽层下的复杂地震波场。
- He estimate his income tax bill by extrapolation from figures submit in previous year. 他从前几年的报税数字推算出自己应缴的所得税数额。