第四章是流道直径反演问题的求解。
Chapter 4 focuses on the solution of runner diameter inversion.
本文提出了一种解非线性反演问题的新策略。
This paper presents a new strategy to solve non-linear inverse problem.
笔者在文中讨论了混合相位子波a的反演问题。
In the paper, an inverse problem on mixed-phase wavelet a is discussed.
这些公式适合于讨论常规地震资料的反演问题。
The formulae can be used to discuss the inversion of conventional seismic data.
估算剩余静校正量本质上是一个非线性反演问题。
The estimation of residual static correction values is essentially a nonlinear inverse problem.
地震反演问题常常需要一些非线性全局最优化的方法。
Seismic inversion problems must be solved by non linear global optimization methods.
介绍了电离层和中性大气反演问题和采用的程序流程。
The inversion theory of ionosphere and neutral atmosphere, as well as the adoptive program flow are presented.
第二章主要介绍反演问题的正则化方法和最优化方法。
In Chapter 2, we concentrate on the regularization methods and optimization methods for inverse problems.
电阻率成像反演是一种典型的多参数、非线性反演问题。
Successful geophysical inversion depends on suitable inversion method, geophysical inversion is one of the typical multi-parameter and non-linear inversion problem.
文摘：地震反演问题常常需要一些非线性全局最优化的方法。
Abstract: Seismic inversion problems must be solved by non-linear global optimization methods.
用斜井钻孔崩落资料求取地壳应力状态是一个非线性反演问题。
It is a non linear inversion to calculate crustal stress field with collapse data of inclined borehole.
综合利用直接方法和优化方法研究二维多孔介质渗透率反演问题。
The permeability identification problem for two-dimensional porous medium was studied by both the direct and the optimization method in this paper.
本文运用复合反演的观点研究结构参数未知条件下的地震动反演问题。
By introducing composite inversion ideas, the problem of ground motion inversion is studied in this paper.
非饱和土中溶质迁移参数反演问题可以归结为非线性算子方程的求解问题。
Parameter inversion of solute transport inside unsaturated soils was generally solved through a nonlinear operator equation.
用测量数据生成一个符合此数据的模型的数学方法，即解决反演问题的过程。
A mathematical process by which data are used to generate a model that is consistent with the data, the process of solving the inverse problem.
利用褶积模型研究转换波正、反演问题的关键是建立转换反射系数递推公式。
The essential of studying the forward and inverse problems of converted wave with the use of convolution model is to deduce recursion formula of the reflection coefficient.
考虑一类垂直断层效应反演问题，其数学模型是具有解析核的第一类积分方程。
A class of inverse problems of perpendicular fault effect are discussed, which are modeled by a first kind integral equation with an analytic kernel.
本文针对深度域地震资料反演问题提出了神经网络数据驱动岩性参数反演方法。
In view of the issue of seismic data inversion in depth domain, the paper presented the method for inversion of lithologic parameters driven by neural network.
将大地测量反演问题中的线性模型 ，综合为一般模型 ，称为反演奇异模型。
The general model called as a inversion singular model is synthesized from the linear models in geodesy inversion.
对流一扩散方程中扩散系数反演问题，可以归结为一个特殊的非线性算子方程求解问题。
The problem of determining the diffusive coefficients can be formulated as one of solving a special nonlinear operator equation.
反演过程中利用具先决的最速下降法，可解决覆盖层速度和折射界面深度同时反演问题。
The preconditioned fastest descent means in inversion achieves simultaneous in - versions of overlying-bed velocity and refractor depth.
在这些实例中，不但能以显函数计算式的方法进行解反演问题，而且计算简捷，结果精确度高。
In these examples, one can not only solve the inversion problems by the method of explicit function, but also make the calculation simple and the result accurate.
对非均匀介质参数反演问题进行了研究，并提出了用于反演二维介质参数的广义射线近似方法。
The problem of parameter inversion in inhomogeneous medium was studied and a generalized ray approximation method to inverse 2-d medium parameters was introduced in this paper.
通过应用共轭梯度法来解决反演问题，应用 赤池弘次的AIC信息准则来截短 共轭梯度扩大。
We solve the inverse problem using the conjugate gradient (CG) method, using Akaike's Information Criterion (AIC) aic to truncate the CG expansion.
应用反问题方法探讨山东淄博市张店区沣水南部区域地下水中硫酸盐的年入渗强度的数值反演问题。
An inverse problem method is employed to determine the average magnitude of acid pollutants in groundwater in Fengshui, Zibo, Shandong.
数值算例表明，遗传神经网络在求解坝基岩体渗透系数反演问题中具有较高的计算效率和识别精度。
The presented numerical example shows that the genetic neural network is of both higher computing efficiency and higher identification accuracy.
本文重点解决了土坝研究的三大问题：参数反演问题、渗流场分析问题以及渗流场和应力场的耦合问题。
There are three dam researching problems that have been emphasis solved in this paper, which are parameter inverse analysis, seepage field analysis and seepage stress coupled field analysis.
上述三种用于反演问题求解的算法已广泛地应用在地球物理求解中，已成为求解非线性反问题的有力数学工具。
The three algorithms mentioned above have been widely used in the solving of geo physical problems and are a powerful mathematical tool for nonlinear inversion problems.
上述三种用于反演问题求解的算法已广泛地应用在地球物理求解中，已成为求解非线性反问题的有力数学工具。
The three algorithms mentioned above have been widely used in the solving of geo physical problems and are a powerful mathematical tool for nonlinear inversion problems.
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