查询词典 symmetries

A novel three-dimensional localization method is proposed. Firstly, the tomato effective centric spots are obtained from the left multi-sensor fusion image and the right multi-sensor fusion image. Then, being looked as symmetries, image pairs other point to point correspondences are searched from two directions by pixel neighbor area correlation values by using the polar line restraint, the unique restraint and the disparity gradient restraint.

即从双目定位的几何模型出发，在双目匹配搜索中，提取多源传感融合图像的番茄凸壳有效形心点，采用极线约束、唯一性约束进行立体视觉图像的特征点及其邻域灰度相关的双向匹配，利用体视原理获取唯一被测目标的空间坐标。

The equations of two classes of 3D polynomial maps that are equivariant with respect to the rotational symmetries of either a regular tetrahedron group or a regular octahedron group are strictly given, on the basis of which the properties of the general Julia sets created by these 3D polynomial maps are discussed and proved.

从理论上分析并证明了三维多项式映射满足等变的条件，精确地给出了关于正四面体群和正八面体群具有旋转不变对称性的两类三维等变映射的具体公式，在此基础上讨论并证明了三维多项式映射的广义Julia集所具有的性质。

This dissertation studies some topics in soliton and integrable system,which mainly include as follows:exact solutions especially travelling wave solu-tions and solitary wave solutions,Painlevēproperty,transformation,similarity reduction,symmetries and their Lie algebra structure,generation ofsoliton hierarchy and their zero curvature representation,Hamiltonian struc-ture,Lax or Liouville integrability,nonlinearization of Lax pairs,applications ofWu's method and symbolic computation.

本文研究内容涉及到孤立子和可积系统的多个方面：精确解特别是行波解和孤波解，Painlevē性质、变换、相似约化、对称及其Lie代数结构、孤子族的生成及其零曲率表示，Hamilton结构，Lax和Liouville可积性、Lax组的非线性化以及吴方法和符号计算在上述研究中的应用。

In 1965 a new simple group (with 175,560 symmetries) was discovered which did not fit into any of the standard families.

1965年一个新的简单群（它有175560种对称）被发现，对它无法做任何标准的分类。

Moreover, we consider how to convert a system which does not possess symmetries into a symmetric one by feedback, that is the feedback symmetrization problem, this is also the problem first presented and studied in this dissertation.

另外，还考虑了如何将一个不具有对称性的非线性系统经反馈化为对称系统，即非线性系统的反馈对称化问题。

It introduces the origin of symmetry of matter, mainly including the symmetries of molecules and crystals, basic operation of symmetry and the concepts of group.

着重介绍化学键的物理本质及其对物质结构、形态和性能的影响；讲述物质结构对称性的起源，主要包括分子的对称性和晶体的对称性，基本对称操作和群的概念。

In this paper, according toinfinitesimal criterion in symmetry theorem, using differential Wu-method(char-set byMathematica software) and conditions of symmeties of equation u_=Hu_,we givenew potential symmetries for nonlinear telegraph equation u_=F

本文根据对称理论中的无穷小准则，利用微分形式的吴方法(借助于Mathernatica软件编写的求解微分特征列集的程序包)和u_=Hu_型方程对称的存在条件，得到了非线性电报方程u_=F

It has been found that dopants would induce low displace symmetries and stress in some degree, which resulted in inharmonic vibration of lattice and increasing diffuse.

本论文还较全面地研究了钛酸钡铁电体中掺固溶物和氧化物、尺寸效应和铌镁酸铅中Mg与Nb配比对其弥散性的影响。

For further analysis of seismological interest, specific symmetries of the media need to be considered.

为了进一步分析在地震学方面具有重要意义的问题，必须考虑介质的特定对称性。

As a result of this reappraisal of the problem of infinities, we now know that the field equations of the standard model are not of the very simple type that would be renormalizable but that they actually contain every conceivable term that is consistent with the symmetries of the theory.

只有那些用最简单的、且可允许的场方程表述的理论是可重正化的。18作为重新评价无强大问题的结果，我们现在认为，标准模型的场方程并不是可重正化理论中最简单的一种，它们实际上把与理论的对称性相一致的每一个可能的项都包括进来了。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。