查询词典 inversion problem

Parameter imaging is equivalent to the result of the first step iteration in linear least squares inversion.

在Born近似和线性反演的统一框架下，指出参数成像、线性反演和非线性拟合反演是反演的三个层次。

We have defined minimum structure function for the CSAMT inversion based on genetic algorithm, and have found the optimal value of the Lagrange multiplier μ=0.5. The designed models are H, A, K, Q and HKH, KHA. When the data is without noise or with 10% noise, the resulting resistivity models fit the true models well.

利用H、A、K、Q和HKH、KHA模型对方法进行了数值试验，在无噪和加入10％噪声情况下，反演结果与模型一致；加入20％噪声后，反演仍取得良好结果，与理论模型基本吻合。

Chemical weathering is an important ligament connection land with ocean, basin with lake, inversion of climate with environment.

化学风化是联系陆地与海洋、流域与湖泊、反演气候及环境的重要纽带。

This paper is based on the operation matrix and develop a numerical inversion of Laplace transform method.

本文以运算矩阵为基础，发展出一个值的反氏转换问题。

The Slant operational matrix of integration is used in this paper to solve the numerical inversion of Laplace transform.

本文以 Slant 转换的积分运算矩阵去求解值的反氏转换的问题。

With incidence condition, solution of the coupled-mode equations can be obtained by inversion of the Laplace transform.

然后根据给定的初始条件进行拉普拉斯变换反演，求出耦合模方程组的解。

The final image observed is upright, has no lateral inversion and appears to be slightly further away than the object.

最后成直立、未左右反转的像、并显得比原像稍微远离了一点。

Adopting three-element (igneous facies, fracture motion and rock bending) geologic comprehensive reservoir evaluation technique and deep-shallow unconventional laterolog constrained inversion technique, lateral prediction of fractured reservoir such as Shang 741 is taken and nonhomogeneity quantification models of reservoirs are established.

采用基于火成相-断裂活动-岩层弯曲的三元地质综合储层评价技术、火成岩裂缝型储层的深-浅侧向非常规测井约束地震反演技术等先进技术方法，对商741等裂缝性储层进行横向预测，建立储层非均质定量模型。

When making usual assumption of a horizontally-layered medium during inversion, the lateral variation of S-wave velocity will be falsely recognized as the vertical variation, hence introducing artifacts in 2-D S-wave velocity imaging.

本文将藉由有限差分法之数值模拟说明，在具有侧向变化之地层，其於空间上有非稳态之性质，并不符合一维反算之假设。

There are several ways of managing the hernia sac: inversion, division, resection or legation.

疝囊的处理方法有许多种，如：翻转、离断、切除和结扎。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。