模群

动力系统结合扩张模群自动生成彩色对称图形

Automatic Generation of Colored Symmetric Patterns by Dynamical Systems with the Extended Modular Group

特别地，在上述各种情形下的双全纯自同构都是由延拓模群或模群中的元素所诱导。

In particular , a biholomorphic automorphism is always induced by an element of the extended modular group or of the modular group in all cases .

这样，便从么模群SL（2C）及其李代数sl（2C）的角度得到了引力场复矢量表述的普遍形式，并把旋量和复矢量形式统一了起来。

Thus , the spinor formalism and the complex-vector formalism of general relativity are unified on the basis of the unimodular group SL ( 2C ) and its Lie algebra .

用动力系统的方法自动生成具有模群对称的图形。

Symmetric patterns with the extended modular group are generated by dynamical sys-tems .

由基模群聚产生的相干谐波的功率减少和电子束质量

Degradation of the power of coherent harmonics generated by the fundamental mode bunching and electron beam quality

具有平面晶体群和扩张模群对称的三维镶嵌图的计算机可视化

The Visualization of 3D Tiling Patterns with the Symmetries of Planar Crystallographic Groups and the Extended Modular Group

本文中得到由基模群聚产生的相干谐波的功率表达式，并且解释了它们的时间剖型和线宽。

Tn this paper , we have obtained the power expression of the coherent harmonic emission generated by the fundamental mode bunching , and explained their temporal profile and line-width .

解析地研究了电子束的热效应对由基模群聚电子束产生的相干谐波功率的影响，并与外源预群聚电子束产生相干谐波的机制进行了比较。

The thermal effect of the electron beam on the power of coherent harmonics generated by the fundamental mode bunching has been researched analytically , and compared with the mechanism generating coherent harmonics by the external source prebunching .

离散群范数级数∑｜g｜￣（－s）的收敛性么模酉群上的富里埃级数

The Convergence of the Norm series in the Discrete Groups FOURIER SERIES ON UNIMODULAR UNITARY GROUPS

在这篇文章中，我们引进了弱Doi-Hopf群模和群斜配对等概念，这些是分别作为弱Doi-Hopf模和普通斜配对概念的推广。

In this paper , we introduce the notions of a weak Doi-Hopf group module and a group skew pair as a respective generalization of a weak Doi-Hopf module and the usual skew pair .

消失模负压群铸时大小件之间争铁液问题的探讨及应用

Discussion and Application of Vying Liquid Metal between Big and Small Castings of EPC 's Group Casting

我们发现利用传播模的群速度可以很方便地研究光子晶体中的异常色散现象。

We have found that it is very convenient to analyze the abnormal dispersive phenomena with group velocity of propagating mode .

构造了一类非齐进位的模加群运算，并讨论了其在流密码加密体制和分组加密体制中的应用。

A class of non homogeneous carrying modular additional group is constructed , and its application to stream cipher systems and block cipher systems is discussed .

实验结果表明，使用模极值线群的方法可以更好地适应梗死病发时S-T段检测的需要。

The results indicate that our method can supply the need caused by myocardial infarction well and it can detect S-T segment more correctly .

本课题基于小波理论设计软件算法，提出了模极值线群方法，抽取心电信号中若干具有临床价值的特征：QRS波群组态及其起点和终点、T波、S-T段。

In this paper , several characteristics of ECG from patients , such as QRS complex and its onset and offset T wave and S-T segment , has been detected using wavelet method .

有限生成半单分次模情形的群分次环

Group-graded rings of half-simple modules with finitely generated modules

关于t-模Z的Fuzzy群

On the Fuzzy Groups With Respect to t - norm Z

T-S模的直觉模糊群及其运算

The Intuitionistic Fuzzy Groups of T-S Norms and Their Operations

模n整数U-群是一类重要的交换乘群，它为我们更好地表述群的类似外直积与内直积相互关系的一些代数特征提供了极其简便的方法。

U-group , the group of units modulo n is a commutative multiplication group , it provides a convenient way to illustrate the algebraic ideas of groups and to clarify the distinction between internal and external direct products .

Yang-Mills模空间上的群作用

Group Actions on Yang-Mills Moduli Space

讨论模的同态的群逆存在的条件，得到正则自同态的群逆通过弱广义逆表示的显式，并给出一些应用和例子。

Discuss the conditions for the group inverse of endomorphisms of modules exists , get an explicit formula of the group inverse of regular endomorphism by weak generalized inverse , and give some applications and examples .

同时分析了传统的用单一模极值线方法刻画QRS波群时所存在的不足，在此基础上提出了模极值线群的方法以解决复杂QRS波群结构下S-T段检测问题。

We developed a novel method based on the group modulus maxima lines group to get more accuracy in detection of S-T segment than conventional method based on modulus maxima pair .

计算结果表明：在工作频段内螺旋波纹波导中场结构是一种混合模，以TE21模为主，其群速基本接近常数。

The result indicates that the hybrid mode can be given within work frequencies , in which the main mode is TE21.The value of group velocity of hybrid mode is a constant number .

然后，利用微型计算机计算了光纤中导模的归一化截止频率、归一化径向相移常数、场模函数、群时延以及光纤的色散和带宽等参数。

Constant , field-mode distribution , group delay time , dispersion , band-width and etc. in optical fibers are computed by microcomputer .