magnetic systems

Study of Percolation Properties 、 Spiral Order and Phase Transition Dynamics of Low Dimensional Magnetic Systems

低维磁性系统渗流特性、螺旋序和相变动力学的研究

Discussion on the Technique of the Saturation Magnetization of Rare Earth Permanent Magnetic Systems

稀土永磁磁体系统的饱和充磁若干问题探讨

The electrical analysis and mechanical analysis on structure of insulator for ITER magnetic systems are made by finite element method .

用有限元法对ITER装置磁体系统的高性能氦气密复合材料绝缘子的结构设计进行电场分析和力学性能分析。

All the results give a new theoretical foundation and research method for the study of low dimensional magnetic systems with different anisotropic interactions .

研究结果为探讨不同各向异性作用下低维磁性系统的一般规律提供了新的理论依据和研究思路。

This method can be a new implement for the studies on the magnetic systems with Heisenberg model ( HM ) .

该方法可作为研究海森堡型磁性系统（HM）的新工具。

The ground state properties and the low temperature thermodynamic properties in several different quasi one-dimensional quantum magnetic systems were studied in the present thesis .

本文研究了几种不同的准一维量子磁性系统的基态和低温下的热力学性质。着重研究在一维量子自旋系统中的能隙的打开、以及能隙对系统热力学性质的影响；

In molecular magnetic systems the spin frustration causes the variety , degeneracy and mediated spin value of the ground spin state .

在分子磁体系中，自旋阻挫引起体系基态的多变和简并以及可能的基态自旋中间值等特征。

In order to describe explicitly the physical properties and laws of irregular structure systems , especially magnetic systems , it is no doubt necessary for us to study phase transitions of fractal lattices .

要描述这些不规则结构系统，尤其是磁性系统的物理性质和规律，研究分形上自旋模型的相变与临界现象问题无疑是很有意义的。

Applications : non-interacting Bose and Fermi gases ; mean field theories for real gases , binary mixtures , magnetic systems , polymer solutions ; phase and reaction equilibria , critical phenomena .

应用：无交互作用的玻色及费米气体、应用在真实气体的平均场论、二元混合体、磁性系统、聚合物溶液、相平衡与反应平衡、临界现象。

Bose-Einstein condensation in dilute atomic gas and quantum tunneling of magnetization vector in magnetic systems are both typical macroscopic quantum phenomena . This paper is mainly devoted to the theoretical investigation of thus two systems .

稀薄原子气体中的玻色-爱因斯坦凝聚和磁性系统中磁化强度矢量的量子隧穿都是典型的宏观量子现象，本文就这两个系统进行了一些理论研究。

Research on Fuzzy Modeling and Fuzzy Control of Active Magnetic Bearing Systems

磁力轴承系统的模糊建模与模糊控制研究

Stiffness Study for Control System of Hybrid Magnetic Levitation Systems

电磁永磁混合磁悬浮控制系统刚度的研究

The Application of Hybrid Switching Power Amplifier in Active Magnetic Bearing Systems

集成开关功率放大器在主动磁轴承系统中的应用

Effect of current response rate and force response rate on performance of magnetic bearing systems

电流响应速度及力响应速度对磁轴承系统性能的影响

Real-time vibration compensation for active magnetic bearing systems based on LMS algorithm

基于LMS算法的磁悬浮轴承系统振动补偿

Fuzzy Inverse Modeling for Active Magnetic Bearing Systems

主动磁力轴承系统的模糊逆建模

Expert PID Control Simulation of Hybrid Magnetic Levitation Systems

电磁永磁混合磁浮系统的专家PID控制仿真

Design of adaptive controllers for magnetic floating systems

磁悬浮系统的自适应控制器设计

Adaptive Backstepping Control Using RBF Networks for Magnetic Levitation Systems

磁悬浮系统的基于RBF网络的自适应反推控制

First Principle Studies on Several Molecular Magnets and Magnetic Strong-Correlation Systems

若干分子磁体及磁性强关联体系的第一性原理研究

Theoretical Investigation of Coupling Manners in Magnetic Multi-layer Systems

磁性多层膜系统中的耦合方式理论研究

Therefore this dissertation applies adaptive control technology to realize the digital control of magnetic north-seeking systems .

因此，本文采用自适应控制方法实现对磁悬浮系统的数字控制，并针对闭环系统，分别采用普通PID控制方法和极点配置自适应PID控制方法对系统进行了仿真实验。

Because of the two sets of independent magnetic deflection systems the full screen image composes two separate unit images .

双峰式显示管采用了两组相互独立的磁偏转系统，因此它显示的整幅图像是由两幅单元图像拼接而成。

Study on Flying Characteristics of High Density Magnetic storage systems by using optimization technology Development of Diamond-Like Carbon Coating Technology for Magnetic Storage Disk

磁记录系统中磁头飞行状态的敏感性研究类金刚石磁盘保护膜的性能、应用与制备

Pertaining to read / write heads in magnetic disk systems that do not usually touch the disk surface .

修饰说明与磁盘系统的读/写头相关的一种术语，在该系统中读/写头通常不接触盘面。

In this scheme , the position error signal of two magnetic suspension systems is the input of fuzzy self-adjusting PID controller .

针对外界扰动引起的横梁两端悬浮高度不一致性问题进行研究，采用模糊自整定PID控制策略来抑制横梁的扭斜现象。

Aberration Theory for Wide Electron Beam Focusing Having Curvilineal Optical Axis in Electro-Static and Magnetic Imaging Systems

电磁聚焦成象系统中曲轴宽电子束聚焦的象差理论

Curvilinear-axis Focusing and Aberration Theory of Wide Electron Beams for Combined Electrostatic-immersion Magnetic Lens Systems

复合静电-磁浸没透镜的宽束曲轴聚焦性质及像差理论

The simulation results show that the control system has good performance and can achieve the stable levitation of the rotor in active magnetic bearing systems .

仿真结果表明，交叉PID集中控制器具有较好的控制性能，可以实现电磁轴承转子的稳定悬浮。

The problem of opening loop instability and strong nonlinearity of magnetic floating systems are solved by applying pole assignment adaptive PID control technique .

针对该磁悬浮系统的开环不稳定和强非线性的特点，采用极点配置自适应控制方法实现了对磁悬浮系统的数字控制。