查询词典 moment matrix

A scalar matrix in which all of the diagonal elements are unity.

所有对角元素都相等的梯形矩阵。

Based on the adaxial matrix optics and scalar quantity diffraction integral theory, the principle of this system is analyzed, and optimum design of the system parameters and numerical calculations for this system are presented in detail.

应用矩阵光学、衍射积分理论，详细分析了它的工作原理，给出了系统优化设计参数和详细的数值计算结果。

Compared to the existing non fragile H ∞ control results,the approach in this paper needs not any tuning of scalar or matrix and is less conservative.

文献 [3]说明了H∞，H2 ，L2 和μ等控制器的设计方法，当控制器存在参数不确定性或摄动时，其维持闭环系统稳定的能力并不

We revisted the process B→η＇K and got the same result as the previous literature that the experient data is 2-4 times larger than the theoretical calculation We calculated the matrix element of scalar and tensor operators, which can be applied in some models beyond Stand Models, such as Minimal Super-Symmetry Models.

我们还在BBNS因子化方案下计算了某些新的算符，例如标量算符，张量算符等的强子矩阵元，这一结果可以应用到标准模型扩展如最小超对称模型中，计算新物理的贡献。

This paper focuses on four important aspects as follows. The first one is the establishment of variational quations which provides the mathematics theories for the finite element method of HMT; the second one is for the study of scalar/node and vector/edge finite element method; the third one is about how to solve faster for the large-sacled matrix system of scalar/node and vector/edge finite element; and the last one is achieving the forward modeling with high precision of HMT method.

主要包括四部分：建立与高频大地电磁法边值问题相等价的变分问题，为有限元数值计算奠定数理基础；标量/矢量有限元方法的研究；加速标量/矢量有限元矩阵系统方程迭代求解技术的研究；实现高频大地电磁参数精确快速正演模拟的研究。

The scalar triple product, the determinant of the matrix formed by columns A, B, C.

前两个矢量点积后于第三个矢量叉乘，或是由列A，B，C所构成矩阵的行列式值。

In order to realize real-time control, the paper studied two kinds of closed-loop control structures such as based on scalar quantity and double closed-loop control structure, moreover established their control structure, then simulation to the double closed-loop control structure of voltage source type matrix converter. The simulation results indicate that reach the real-time control requests, the system dynamic response performance is good, the converter input output can be adjusted in the short time.

为实现电压源型阵变换器的实时控制要求，论文对基于标量控制和双闭环的两种电压源型矩阵变换器闭环控制结构进行了研究，分别建立了这两种闭环控制的控制结构，并且对电压源型矩阵变换器的双闭环控制结构进行仿真，仿真结果表明达到了实时控制的要求，系统的动态响应性能好，变换器的输入输出能在较短的时间内达到调节。

On this problem mentioned above, a new target feature extracting method is presented. It is a matrix describing method based on scale transformation.

为解决这一技术难题，提出了基于尺度奇异值变换的红外图像目标特征提取方法，该方法是一种基于尺度变换的矩阵表示方法。

We scan the area matrix on a row-by-row basis from top to bottom.

我们扫描领域矩阵的行的行的基础上从上到下。

The properties and particle fining mechanism of the doping powders, microstructure and the distribution of Scandia and surface behavior of the matrix have been investigated compared with that of with mechanical mixing scandia and tung.

利用扫描电镜、能谱分析仪和原位俄歇电子谱仪等现代分析技术研究了掺杂钨粉的特性、氧化钪-钨基体的结构特征、稀土元素在基体内的分布、表面特性。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。