在迭代过程中，数值模式匹配法用于求解感应的正演问题。
In each iteration, the numerical mode matching method is used to solve the forward problem of the induction.
在迭代过程中，数值模式匹配法用于求解阵列感应的正演问题。
In iterative procedure, the numerical mode matching method is used to solve the forward problem of the array induction.
其次，在解决工艺参数优化的问题中，本文提出了一种正演的方法，即结合使用决策树分类器以及人工神经网络进行综合分析的方法来完成。
Secondly, in solving the problem that the craft parameter is optimized, this paper has put forward a method to perform, which using decision tree and ANN carry on comprehensive.
本文主要是通过波场数值正演模拟技术来研究粘弹性各向同性介质中地震波的传播问题。
In this paper, seismic wave propagation in viscoelastic isotropic media is mainly addressed by the technology of wave field numerical simulation.
而在正演数值模拟方法的研究中，计算精度和计算效率是评价此方法的有效性及优越性的二个关键问题。
And in the forward modeling methods, the computation precision and the efficiency are two pivotal questions to evaluate the validity and superiority of the method.
接着，简要介绍了基于声波高阶差分的多次波正演模拟方法，分析了这种方法的数值频散问题，包括时间和空间频散，同时给出了它的稳定性条件。
Then the article discusses forward modeling based on acoustic wave higher difference, then analyzes numerical dispersion including time and spatial dispersion and presents its stability conditions.
在极化率正演计算和电阻率反演成像中，偏导数矩阵的计算是比较关键的问题。
The calculation of the partial derivatives is important in modeling IP and inversion resistivity.
频率测深一维问题正演常用的计算方法是数值积分方法，但是这种方法由于利用求和代替积分使得计算速度很慢，精度也较低。
The general method of calculation of E. M. sounding is that of numerical integral. But because of using summation instead of integral, it makes the calculation too slow and precision too low.
如何有效提高三维地震波正演数值模拟精度和计算效率一直是勘探地球物理学研究的重要问题。
How to effectively increase both accuracy and calculation efficiency of 3d seismic-wave forward numerical simulation is an important problem in geophysical prospect.
本文讨论了有关有限元法在大地电磁测深二维正演中的应用问题，论述了现有文献中采用的网格剖分方案。
The application of finite element method to 2-d forward solution of magnetotelluric sounding is discussed, and the mesh dissection scheme adopted in present literatures is reviewed in this paper.
本文讨论了有关有限元法在大地电磁测深二维正演中的应用问题，论述了现有文献中采用的网格剖分方案。
The application of finite element method to 2-d forward solution of magnetotelluric sounding is discussed, and the mesh dissection scheme adopted in present literatures is reviewed in this paper.
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