磁链

In this article,byJordan-Winger transformation,the weakly dimerized spin-1/2 anti-ferromagneticchain is transformed into quantum sine-Gordon model in the continuum limit.Onthe fundament of self-consistent field the usual field variable and canonical momen-tum are rescaled by using the Bogoliubov transformation.

我们利用Jordan-winger变换，在连续表象把量子二聚化spin-1/2反铁磁链哈密顿变换至sine-Gordon方程，在自洽场理论的框架内利用Bogoliubov变化重新标度了常规场变量和动量，有效地解决了远红外发散问题，自洽地得到了基态能和激发谱。

This paper describes a conventional network charge conservation and flux conservation conditions,and conservation and non-conservation of the use of the two 0-equivalent circuit model are also analysised.

本文导出了常规网络电荷守恒和磁链守恒的条件，并就守恒与不守恒两种情况利用0-等效电路的模型进行过程分析，最后证明了不守恒的差额恰好满足更大系统的守恒。

In this paper a new speed sensor-less vector control system based on stator-flux-oriented is researched and analyzed.

本文对一种新型的基于定子磁链定向的无速度传感器矢量控制系统作了研究和分析。

Compared with Vector Control, the main advantage of DTC is that it directly controls flux and torque.

与矢量控制相比，直接转矩控制的主要优点是直接对电机的磁链和转矩进行控制。

It was made up of a high-pass filter and a coordinate transformation.

该文研究了一种新的电机磁链辨识算法，它是由1个高通滤波器和1个坐标变换环节构成。

A novel arithmetic of motor flux estimation was proposed in this paper. It was made up of a high-pass filter and a coordinate transformation.

该文研究了一种新的电机磁链辨识算法，它是由1个高通滤波器和1个坐标变换环节构成。

A flux observer associated with observability and detectability of the system is therefore discussed.

本论文将异步电动机系统的磁链观测器与系统的能观性、能检测性联系起来进行讨论。

This paper provided a control way based on magnetic-flux and double space vector for the synchronous motor.

摘 要：提出基于磁链参考矢量和双空间矢量调制的矩阵变换器在船用永磁同步电机控制中的策略。

The influence of speed estimation error to flux observation was analyzed, and feedback matrix was calculated based on the analysis.

分析了速度估计误差对磁链观测影响，并以此为基础进行反馈矩阵的计算。

In terms of cost and reliability, the indirect vector control system , which estimates the position of the rotor flux vector from the machine parameters, is widely used.

出于成本和可靠性的考虑，间接矢量控制系统，即基于转子磁链位置估计的矢量控制系统在实际中得到了广泛的应用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。