矩

In general quantum case the equal-time kinetic hierarchies for the energy moments of the covariant Wigner function were established.

在普遍量子情形下，建立了协变Wigner函数的能量矩的等时动力论链和链的截断方案，得到了与低阶矩相关的物理密度量的输运方程和约束方程，并且证明高阶矩都能通过低阶矩表示。

In this paper, to reduce cogging torque in solid-rotor permanent magnet synchronous motors, an analytical method, which was based on energy method and Fourier expansion, was proposed to obtain the expression of cogging torque, which can express its relation with design parameters.

为削弱实心转子同步电动机的齿槽转矩，文中提出了一种基于能量法和傅立叶分解的的解析分析方法，给出了能明确表达齿槽转矩与设计参数关系的齿槽转矩解析表达式，据此研究了极弧系数对齿槽转矩的影响。

Aimed at low-SNR infrared images,the principle,invariant property and computational methods of Pseudo-Zernike moments are analyzed,and a method for low-SNR infrared target detection based on Pseudo-Zernike moments is proposed.

针对低信噪比红外目标图像，分析了伪Zernike矩的基本原理、不变性和计算方法，提出了低信噪比红外目标检测的伪Zernike矩方法，并比较了模板匹配、Hu矩、伪Zernike矩方法的目标检测效果。

This project also obtained several limit theorems for some important dependent random variables and stochastic processes, such as the Strassen law of the iterated logarithm for negatively dependent random variables, strong limit theorems for mixing random vectors in Banach spaces, sample path properties for two-parameter fractional Wiener processes, and so on.

随机环境中的随机变量与随机过程的研究在国内外相当活跃，本项目主要研究它们的极限性质，着重研究了随机风景中随机变量与随机过程的极限性质，主要取得了以下几个结果：首先对简单对称的Kesten-Spitzer随机游动在低阶矩的条件下给出了强逼近，大大减弱了前人要求任意阶矩的条件，然后对独立风景中的一般随机变量给出了强逼近的一般性结果，由此导出在风景和随机变量都只具有低阶矩的条件下的独立但不同分布、混合相依变量的强逼近，在只有弱高于二阶矩的条件下得到了重相对数律和弱收敛；给出了连续时间参数的Brown风景中Brown运动和稳定风景中稳定过程的滞后增量和连续模等精确样本轨道性质；同时给出了一些重要的相依随机变量和过程的若干极限定理，如负相关随机变量的Strassen重对数律、抽象空间上混合相依变量的一些强极限定理成立的充分必要条件、两参数分数Wiener过程的样本轨道性质等。

Character 2:The algebraic sum of the moments of the forces of a couple about any point in its plane of action is independent of the location of that point and is equal to the moment of the couple.

Statics 静力学性质2：力偶对其所在平面内任一点的矩恒等于力偶矩，而与矩心的位置无关，因此力偶对刚体的效应用力偶矩度量。

The calculation of dipole moment by MEEM The dipole moment is a physical quantity, which can indicate the charge distribution of the molecule.

中文摘要：偶极矩是表示分子中电荷分布情况的物理量，可以由分子的对称性推测分子有无偶极矩，也可由分子有无偶极矩及偶极矩的大小了解分子结构的信息。

The calculation of dipole moment by MEEMThe dipole moment is a physical quantity, which can indicate the charge distribution of the molecule. The value of dipole moment can be conferred from the situation of the molecular symmetry, and vice versa.

偶极矩是表示分子中电荷分布情况的物理量，可以由分子的对称性推测分子有无偶极矩，也可由分子有无偶极矩及偶极矩的大小了解分子结构的信息。

The calculation of dipole moment by MEEM The dipole moment is a physical quantity, which can indicate the charge distribution of the molecule. The value of dipole moment can be conferred from the situation of the molecular symmetry, and vice versa.

偶极矩是表示分子中电荷分布情况的物理量，可以由分子的对称性推测分子有无偶极矩，也可由分子有无偶极矩及偶极矩的大小了解分子结构的信息。

In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripple s are needed.

针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动)，在分析该种电机的特殊结构的基础上，提出一种新型不等齿顶宽结构，以提高绕组利用系数，加大电机的转矩密度；并采用转子斜极的方法，可在有效消除转矩波动的同时，电机仍保持较高的绕组利用系数。

In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripples are needed.

针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动)，在分析该种电机的特殊结构的基础上，提出一种新型不等齿顶宽结构，以提高绕组利用系数，加大电机的转矩密度；并采用转子斜极的方法，可在有效消除转矩波动的同时，电机仍保持较高的绕组利用系数。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。