查询词典 alternating tensor

Firstly, we introduce the technology of seismic geometric attribute for fault identification detailedly at home and abroad. Secondly we study the coherence, texture,curvature attribute and tricolor display technology of RGB to identify fault; In the part of coherence,we compare the traditional algorithms with model and actual data,mainly study the geometric structural tensor and wavelet multi-scale sub-frequency coherent algorithm; In the part of texture attribute, we introduce texture energy, texture contrast, texture entropy and texture homogeneity attribute.By merging texture attributes of different directions,the effect are more clear; In the part of curvature attribute,we study and analyze fractional-order curvature attribute's extraction and its application in fault identification; The RGB display technology mainly introduces how to merge multi-attributes in order to getting more richer and more clearer information.

首先具体先容了地震几何属性识别断层技术的国内外研究现状；然后分别研究了相干属性、纹理属性、曲率属性和RGB三原色显示技术来识别断层；其中相干属性通过模型和实际资料对传统相干体算法进行了对比，重点研究了几何结构张量相干体算法和小波多标准分频相干体算法；纹理属性主要先容了纹理能量、纹理对比、纹理熵和纹理一致性属性，通过对不同方向的纹理属性进行融合，效果更清楚；曲率属性重点分析了分波数曲率属性提取及其在断层识别中的应用；RGB三原色显示技术则主要先容了如何进行多属性融合来或得更丰富、清楚的信息，在此基础上开发了基于。

A theoretical stress tensor model that includes surface tension forces and viscous forces is developed by considering the three-dimensional spatially periodic cells of dodecahedron. Meanwhile, the shear stress and normal stress difference under various shear rates are calculated by computer.

本文在同时考虑表面张力与粘性力的情况下，以三维模型—长菱形十二面体及泡沫的应力张量表达式为基础，得出了泡沫的剪应力及法向应力差表达式，并通过计算机进行了求解，讨论了泡沫粘度、泡沫大小等因素对剪应力及法向应力差的影响。

Then, to explain the binary pulsar experiments, the Einstein equation needs to be modified with an additional source of the gravitational stress-energy tensor with a different coupling sign.

然后，為了解释双脉冲星的实验，爱因斯坦方程需要用一额外引力能张量項且具有不同的耦合符号来修改。

Calculate the Einstein tensor from a given metric in a tetrad or in a coordinate frame.

读，写，简化，替代和区分数学表达式；定义张量和张量运算法则；从一个给定的公制中在四分体或者同等结构中计算Einstein 张量。

Based on the relationship between the material elastic constants and the strain energy, the three-dimension SOEC and TOEC tensor expressions are obtained by using tensors derivation principle.

因为材料的弹性常数同其应变能相联系，所以利用张量的求导法则，给出了三维情况下SOEC和TOEC的张量表达式。

Review Landau and Hans about gravitation field energy - momentum counterfeit tensor is stated, how to rely on equivalent principle in order to clarify to come the energy of field of hunting pure gravitation - momentum is stated.

重温Landau和Hans有关引力场能量-动量赝张量表述，以阐明如何依靠等效原理来探求纯引力场的能量-动量表述。

On the basis of these, the author analyze stress-strain model of rock and soil which is under the groundwater effect, the continuity equation of groundwater when the rock and soil is deformed, and the relation between permeability coefficient tensor of rock and soil and stress field, and brings up the mathematical model of stress-seepage coupling fields.

在此基础上，论文阐明了考虑地下水作用的岩土体本构模型、考虑岩土体变形的地下水流动连续方程和岩土体渗透系数张量与应力场的关系，提出了新的应力-渗流耦合场数学模型。

The correction factor can be expressed in several equivalent forms: matrix tensor, velocity spreading factor and geometrical spreading factor.

该校正因子有几种等价的描述形式：度规量、速度扩散因子和几何扩散因子。

The penalty function is adopted to impose the essential boundary condition, the tensor product weight function with a rectangular influence domain is chosen, and the finite element background cell is considered as the integration unit.

将无网格再生核质点法用于刚塑性可压缩材料轧制过程的模拟，采用罚函数满足本质边界条件，选用矩形影响域的张量积核函数，利用有限元网格作为积分单元，对求解域内和边界上采用不同的高斯积分方案。

In order to study some problems relative to extremal black hole and entropy, a falling-in physical particle in metric and electromagnetic tensor field of a black hole is also studied.

在第二章中，我们首先考虑Reissner-Nordstrom黑洞的度规场和电磁场张量，研究了落入黑洞的带电物理粒子。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。