磁场系统

Secondly, the single domain model of spin-valve is investigated. The calculation results of the spin-valve magnetic behaviour using single domain model by energy minimizing method consist with the experimental results.

其次，系统地研究了自旋阀的单畴模型，运用能量极小的方法计算得到了自旋阀的磁场响应曲线，与实验结果吻合。

Hence the magnetic induction intensity of the coil-workpiece system can be calculated with the thcoretical formulae.

本文对加工线圈和毛坯系统中脉冲磁场的磁感应强度及分布进行了研究。

The distribution of magnetic field and magnetic line of force with the finite element method was analyzed. The dynamic equations of moving part were solved coupling with the voltage balance equation. Force, displacement of moving part, current and frequency characteristic were discussed according to the numerical solution. The influence of the clearance volume and leakage was discussed as well.

运用电磁场有限元方法对直线电动机电磁场模型进行求解，分析了电动机内部的磁场和磁力线分布情况；建立了电动机动子动力学模型和驱动电路模型，得到系统的运行方程组并对其求解，根据计算结果对压缩机的驱动力、活塞行程、绕组电流和频率特性等进行了分析，同时就余隙容积和泄漏对这种微小型活塞压缩机的影响进行了探讨。

When a wire loop incises the magnetic force line of the earth magnetic field it will bring about the induction electromotive force an attitude measurement system was designed based on the earth magnetic field orientation sensor .

根据法拉第电磁感应定律，即线圈切割地磁场磁力线产生感应电动势的原理，设计一种基于地磁方位传感器的姿态测量系统。

Moreover, Gilbert was the first to systematically study phenomena caused by the earth's magnetism; he was the one who proved that the compass needle always points to the magnetic north pole of the earth.

威廉吉尔伯特（ 5月24日1544至30年1603年11月）是伊丽莎白一世的王室医生。此外，吉尔伯特是第一个系统研究的现象所造成的地球磁场，他是一个谁证明，磁针总是指向磁北极的地球。

In accordance with the basic principle and method of vector control, by using Matlab/Simulink module, a simulation model of vector control system that is offering torque and magnetic link for AC asynchronous motor is built based on rotor flux directional rotating coordinates.

依据矢量控制的基本原理和方法，在基于转子磁场定向的旋转坐标系下，采用Matlab/Simulink模块构建了一个具有转矩、磁链闭环的交流异步电机矢量控制系统仿真模型。

In chapter four, the magnetization curves of Bi2212 crystals in different magnetic fields are systematically investigated.

第四章对Bi2212单晶样品不同磁场下的磁化曲线进行了系统的研究。

In this article, based on one-dimension Heisenberg model, the unsymmetric bilayer ferromagnetic and antiferromagnetic thin films are investigated by using the interface rescaling approach under nonperiodic boundary condition.

本文以海森伯模型为基础，只考虑最近邻相互作用，在计入外磁场和非周期性边界条件下，应用界面重参数化方法，分别研究了由A、B两层组成的铁磁或反铁磁层间耦合薄膜中的自旋双链系统的界面自旋波及其存在的充分必要条件，重点讨论了体各向异性场和自旋链长度对界面自旋波存在条件的影响。

Analysis of three-dimensional magnetic field is the foundation work for optimum design of electromagnetic system.

其三维磁场分析是电磁系统优化设计的基础。

The effect of the linear birefringence and the incident polarizing angle on the output performance of the sensor were derived using Jones matrix,and simulations were made.

介绍了基于法拉第磁光效应小型光纤磁场传感器的系统结构，利用琼斯矩阵对线双折射及入射起偏角对传感器输出特性的影响进行了推导与仿真。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。