查询词典 birational invariant

As a geometric invariant under projective transformations, cross-ratio is the basis of many recognition and reconstruction algorithms.

交比不变性在此类投影转换中，扮演了一个重要的角色。

To study the calibration accuracy of stuctured light system based on cross-ratio invariant,measuring error and light-plane calibration error of system are analyzed,and an error propagation model is established by employing theories of error and matrix disturbance.

针对基于交比不变原理的结构光光平面标定方法，利用误差分析理论和矩阵扰动原理分别对系统的测量误差和光平面标定误差进行分析，提出了结构光测量系统的误差传递模型。

A novel pattern was designed for the calibration of structured light vision. The calibration is realized with the Zhang camera calibration method and cross-ratio invariant ruler of projection conversion.

设计了一种新型平面靶标，基于Zhang摄像机标定法和投影变换中的交比不变性，进行结构光视觉传感器系统的标定。

Keeping baryon density invariant, the fractions of hyperons at S = 2 are largerthan those at S = 1 in the region of relative low density of baryons.

给定重子密度，中子在S=2时的组分比S=1时的小，而质子、电子、μ子在S=2时的组分比S=1时的大，特别是在低密度区域。S是每个重子的熵。

We include the electromagnetic effects consistently in the QCD sum rule approach to keep the final sum rule gauge invariant. Then we study the role of electromagnetic effects in the isospin symmetry breakings of the system.

我们把电磁相互作用自洽地包括进来使最后的求和规则是规范不变的，然后研究电磁效应在体系的同位旋对称性破缺中的作用。

The rotational invariant descriptions were extracted in the recognition step and the SVM was used to recognize the characters on the chesses.

而后采用支持向量机分类方法，对棋子信息进行分类识别，同时分析处理了误差对识别准确率的影响。

At the same time, some articles that have been studied about the theory combined pure mathematics with rough sets have been emerged, and some new mathematical notions, such as rough logic, rough ideal in semigroups, rough groups and rough subgroups, rough cosets, rough invariant subgroups and homomorphism and isomorphism of rough groups, are introduced.

同时，纯粹的数学理论与粗糙集理论结合起来进行研究已有文章出现，并不断有新的数学概念出现，如&粗糙逻辑&、&半群中的粗理想&、&粗糙陪集&、&粗糙不变子群&、&粗糙群和粗糙子群&、&粗糙群的同态与同构&。

"As mentioned by Bak in this debate, the SOC hypothesis has been suggested, on the one hand, on the basis of the observation of power law distributions, such as the Gutenberg-Richter law for earthquakes and the fault length distribution, and of the fractal geometry of sets of earthquake epicenters and of fault patterns, and on the other hand on the study of highly simplified models with somewhat similar scale-invariant properties."

&如同Bak在这场辩论中已提到的那样，一方面，在对动力法则分布进行观测的基础上，如用于地震和断层长度分布的Gutenberg-Richter定律，以及对震中的破裂几何学内容的观测和对断层图案的观测，以及另一方面对带有某种程度类似标度不变性质高度简单的模型的观测基础上，提出了SOC〔'自组成危险性'〕假说。&

The input - output disdlacement equations of the spatial mechanisms can be derived conveniently with the dual invariant equalities presented in this paper.

使用文中提出的对偶不变量等式，可以方便地导出空间机构输入输出位移方程。

The construction and identification of eukaryon expression vector consisting of invariant chain fused with HBsAg gene;;The research of isolation of exosomes by centrifugal filtering

中文题名恒定链与HBsAg融合基因真核表达载体的构建及初步鉴定；离心过滤法制备外来体的实验研究

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。