The key to all-dip wave field migration using finite-difference method lies in the continuation direction of wave field.
用有限差分法进行波场全倾角归位的关键在于波场的延拓方向。
The method is validated by comparing the results obtained by this method with those obtained by the finite-difference method.
通过与有限差分计算的频散曲线的比较验证了算法和程序的正确性。
In order to quickly predict the production performance, the streamline method was employed to solve this model as an alternative to the traditional finite-difference method.
为了实现生产动态的快速预测，用流线方法替代传统的有限差分法求解该模型。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
本文在耦合模理论的基础上，运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
The recent potential flow theory and finite-difference method are applied to generate orthogonal numerical grids and to compute two-D plane flow fields.
运用新近的解析-数值势流理论方法，生成正交数值网格，用差分法计算出平面二维流场。
Therefore, the Direct Finite Difference Method is regarded as a promising method of numerical simulation of solidification.
因此可以认为，直接差分法是进行凝固数值计算很有前途的方法。
This paper describes the three dimensional numerical analysis of current gain for the lateral transistor with multiple collectors by using the finite difference method.
本文叙述了用有限差法对多集电极横向晶体管电流增益进行三维数值分析。
A new method for calculating Euler equations is presented by means of the theory of reproducing kernel space and finite difference method.
利用再生核理论和有限差分法给出了一种计算欧拉方程组的新方法。
The results of transient temperature field calculated by finite difference method and ANSYS software agree with the experimental results.
高压氮气淬冷温度场的有限差分法计算结果和ANSYS有限元分析软件计算结果与实测结果吻合较好。
Using the finite difference method we calculate the distribution of the electromagnetic field.
利用有限差分法实现了其正演计算，获得了电磁场的分布。
The nonlinear differential equations are solved using finite difference method.
用有限差分法求解非线性微分方程组。
By using finite difference method, the derived equation was solved coupling with energy conservation equations.
利用有限差分法将该方程与能量守恒方程进行了耦合求解。
The sensitivity matrix was calculated numerically by the finite difference method.
灵敏度系数矩阵是通过有限差分方法近似计算得到的。
Using the finite difference method, the state equation of the transverse vibration of an axially moving rectangular membrane is derived.
利用有限差分法，导出了轴向运动矩形薄膜横向振动控制系统的状态方程。
A finite difference method for computing the axisymmetric, transonic flows over nacelle is presented in this paper.
本文考虑轴对称跨音速进气道外流场的有限差分计算方法。
Take double parameters foundation model to improve Winkler model, and use finite difference method to resolve linear basis under columns and get linear equations which could be easily used in works.
采用双参数地基模型来改进温克尔地基模型，并用有限差分的方法求解任意荷载下条基的微分方程，得到便于工程计算的线性方程组。
The computational cost and memory requirements for the scheme are nearly the same as those used by the same order finite difference method.
三维格子法所需的计算机内存及计算耗时与同阶精度的规则网格有限差分法相当。
The concept of extended boundary node was presented. By using finite difference method, the solution of the gained difference equations was given and simulated by computer.
由此提出了扩展边界节点的概念，并使用有限差分法，对所得到的差分方程组进行了计算机求解及模拟。
But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.
但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
Authors described and analyzed the finite difference method and finite element method.
作者阐述并分析了有限差分方法和有限元方法。
The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.
所得的非饱和土壤水运动方程对时间的差分方程，在空间上不仅可用有限元法而且可用有限差分法处理。
The emphasis is placed upon the numerical methods, including finite difference method, finite element method, boundary element method and so on.
着重讨论了包括有限差分法、有限元法和边界元法等在内的数值方法。
In this paper, an integrated finite difference method (IFDM) for numerical analysis of transient coupled heat and moisture flow in unsaturated soils is described.
本文介绍了求解非饱和土壤中热量和水分耦合传输问题的一种数值方法——积分有限差分方法(IFDM)。
A finite difference method was derived for the analysis of time domain electric field integral equation (TDEFIE) of thin wire structures.
提出一种求解基于细线结构的时域电场积分方程(TDEFIE)的方法-有限差分方法。
Numerical solution is given to mathematical model of formation temperature field by full implicit finite difference method.
并利用有限差分方法，对温度场数学模型进行数值求解。
In the pricing of convertible bonds, finite difference method is often used.
常用的可转换债券定价的数值解法是有限差分方法。
The equations of the boundary layer containing microbubbles on the plate are established, then calculated employing a simple mixing length model and a finite difference method.
建立了含有微气泡的平板边界层方程，并采用一种简单的混合长度模型和有限差分方法对该方程进行了数值计算。
The equations of the boundary layer containing microbubbles on the plate are established, then calculated employing a simple mixing length model and a finite difference method.
建立了含有微气泡的平板边界层方程，并采用一种简单的混合长度模型和有限差分方法对该方程进行了数值计算。
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