查询词典 magnetic flux

First of all, in the study from magnetohydrodynamics equilibrium equations describe the plasma derived from the balance of the Grad-Shafranov equation of the theory of expression, and to analyze its borders in a fixed way to solve the region;then we solved the equation with Variational method in given pressure, and the exact numerical value of poloidal magnetic flux and the profile of the magnetic flux surfaces contours in the definite error range are given.At last, the poloidal and toroidal magnetic field with D-shaped is obtained.

在研究中首先从磁流体力学平衡方程出发推导出描述等离子体平衡问题的Grad-Shafranov方程的理论表达式，并分析其在固定边界区域内的求解途径；然后在给定的压强分布情况下采用基于能量形式的变分法对其进行了数值计算，并在一定的误差范围内得到了极向磁通的大致图像以及等离子体的平衡位形分布；最后求出了D-型截面下的极向磁场以及环向磁场分布。

The diagnosis of the winding current and the change rate of magntic flux on the magnetic core provides necessary value for determining the hysteresis cycle,saturated magnetic flux intensity and retentiveness of magntic core. Principle of this diagnosis and method of dynamic parameters on magnetic core are discussed.

讨论了基于高电压放电和脉冲压缩方法测量磁芯动态参数的原理，给出了测试装置的电路原理和电路元件参数的选择方法，测量了大型磁开关磁芯快脉冲条件下的电参数，计算了相关的磁参数，给出了实验结果。

In order to implement the algorithm, a linearization method is applied in an extremely short sampling cycle to calculate the increments of torque and flux magnitude, to derive the linear equation between the desired stator flux linkage vector increment angle and the increments of torque and flux magnitude, to derive the stator voltage vector reference and to determine the next position of the stator flux linkage vector.

算法的实现运用了线性化的方法，在一个极小的采样周期内，计算出转矩增量和磁通增量，以此推导出所需的定子磁链增量角与转矩增量及磁通增量两者之间的线性方程，进一步导出所需的定子电压矢量，并确定新的定子磁链位置。

The math model of the movement,flux and control system of position pump was established by analyzing its working principle,and its hydraulic system simulation model was established based on AMESim.The pressure and flux pulsation of the position pump was analyzed,and the pressure and flux was calculated by simulation when there are sign of wear for the position pump and system flux change.

分析了恒压力轴向柱塞泵的工作原理，推导并建立了液压泵压力流量和压力调节机构的数学模型，并在此基础上以AMESim工程软件为平台建立了轴向柱塞泵的仿真模型，分析了压力流量脉动状况并对液压泵在内部磨损和系统流量变化两种情况下的压力流量进行了仿真计算，对两种情况下泵的工作情况进行分析比较，为液压脉动抑制和故障分析提供了参考。

Engineering College, Air Force Engineering University, Xi'an Shaanxi 710038, ChinaAbstract: The math model of the movement, flux and control system of position pump was established by analyzing its working principle, and its hydraulic system simulation model was established based on AMESim. The pressure and flux pulsation of the position pump was analyzed, and the pressure and flux was calculated by simulation when there are sign of wear for the position pump and system flux change.

分析了恒压力轴向柱塞泵的工作原理，推导并建立了液压泵压力流量和压力调节机构的数学模型，并在此基础上以AMESim工程软件为平台建立了轴向柱塞泵的仿真模型，分析了压力流量脉动状况并对液压泵在内部磨损和系统流量变化两种情况下的压力流量进行了仿真计算，对两种情况下泵的工作情况进行分析比较，为液压脉动抑制和故障分析提供了参考。

With experience gained from the Finite Element method, a quasi-linear model based on the Magnetic Equivalent Circuit method has been used to obtain the static torque of the motor. Three types of magnetic tubes are employed in the model, and through the exchange principle of magnetic lines of force and magnetic equipotential line, the tube in which the flux distribution is non-uniform is applied to the model.

通过分析电机二维磁场分布和考虑电机特殊的电磁结构，提出了用三种磁通管单元来近似磁场分布，并借用磁力线和等磁位线互换的方法，将磁力线分布不均匀的磁通管引入到分析模型中，有效的处理了平动式啮合电动机中的磁场分布不均匀和磁路局部饱和，使分析模型得到简化并兼顾了求解精度。

Week 12 Magnetic induction intensity, magnetic flux, Gauss theorem of magnetic field, Biot-Savar law, magnetic field of moved charge.

第12周磁感应强度，磁通量，磁场的高斯定理。毕—萨定律，运动电荷产生的磁场。

Magnetic induction intensity, magnetic flux, Gauss theorem of magnetic field, Biot-Savar law, magnetic field of moved charge.

磁感应强度，磁通量，磁场的高斯定理。毕？萨定律，运动电荷产生的磁场。

There are various ways to shield static magnetic field. The principles of which come to one: to form a relatively closed space by using high magnetic inductivity material, in which space the magnetic flux runs through side of the shield, and thus the magnetic intensity is reduced.

静磁场屏蔽方式可以有许多方法，其原理都是采用高磁导率材料作为屏蔽体材料，在需要屏蔽的空间内形成一个相对密闭的空间，使得磁通沿着屏蔽体侧壁流过，从而减低屏蔽空间内的磁场强度，以达到屏蔽效果。

The paper also discusses the geometric sizes of magnetic path and the choice of magnetic materials,and contrasts the test results from the magnetic field flux density of two kinds of magnetic path and har...

通过对比两种磁路结构的检波器，讨论了磁路的几何尺寸和磁性材料的选用，并比较了这两种磁路的磁通密度及谐波失真的测试结果，说明了在检波器磁路设计中，均匀磁场可以降低输出信号中的谐波失真

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。