A specific method for magnetic recording of bits in which each storage cell comprises two regions magnetized in opposite senses with unmagnetized regions on each side. 数据位磁记录的一种特殊方法,各存储单元包含两个磁化区其磁化方向相反,每侧有一个非磁化区。
Study on defect mode properties of time-varying unmagnetized plasma photonic crystals 时变非磁化等离子体光子晶体缺陷态研究
Study on the Band Gap Structure for Time-varying Unmagnetized Plasma Photonic Crystals 时变非磁化等离子光子晶体禁带特性
If the current was interrupted, the magnet immediately became unmagnetized. 如果电路一旦中断,磁铁马上就会失去磁性。
Methods: The viscosity of both magnetized and unmagnetized liquids was measured by using the Ubbohde's viscosimeter. 方法:用奥氏粘度计平行测定磁处理和未经磁处理的白酒、乙醇、自来水和蒸馏水的粘度。
Relativistic effects of electromagnetic waves in moving unmagnetized plasma 运动非磁化等离子体中电磁波的相对论效应
The results showed that the adsorption amount of magnetized adsorbent is bigger than the unmagnetized one and the adsorption amount of the adsorbent increases with the increase of the magnetic field intensity. 结果表明:磁化吸附剂的吸附量比不磁化大,并随磁场强度增大而增加。
Finite-difference time-domain method for unmagnetized plasmas 非磁化等离子体的时域有限差分方法
By the alternating direction implicit ( ADI) and current density recursive convolution ( CDRC) technologies for the first time, a new current density recursive convolution alternating direction implicit finite-difference time-domain ( CDRC-ADI-FDTD) formulation for collision unmagnetized plasma is presented. 首次把交替方向隐式技术(ADI)与等离子体的电流密度递归(CDRC)卷积技术结合,给出了碰撞非磁化等离子体的CDRC-ADI-FDTD方法。
The dispersion relationships of the unmagnetized relativistic plasmons are obtained by solving the related dispersion equations numerically. 对处于相对论性振荡的无磁化等离子体中的纵、横等离激元色散方程进行数值求解,得到比较全面的色散关系图像。
Research on the Relation between the Free Electron Density in a Unmagnetized Plasma and the Stealth of Target 自由电子密度对等离子体隐身的影响
In chapter two, the small but infinite amplitude dust acoustic wave ( DAW) in a collisionless, unmagnetized two-ion-temperature cold dusty plasma has been studied. 论文第二章研究未磁化的、无碰撞的、双温度离子的冷尘埃等离子体中的有限小振幅尘埃声波。
Longitudinal electric resistivities of magnetized and unmagnetized plasmas are discussed based on appropriate kinetic equations. 从动力论方程出发,推导并讨论了磁化与非磁化等离子体的纵向电阻率。
FDTD simulation of Epstein profile unmagnetized plasma stealth Epstein分布非磁化等离子体隐身的FDTD分析
The propagation problem of T.E.wave in unmagnetized inhomogeneous plasma-filled cylindrical wave guide is investigated. 本文研究了无外加磁场时非均匀等离子体圆柱波导中横电波的传播问题。
The stealth effect of radar targets covered with Epstein profile inhomogeneous unmagnetized plasma is studied. 计算了电子密度Epstein分布的不均匀非磁化等离子体覆盖目标的隐身效果。
In chapter three, the effect of dust size distribution for the two-dimensional DAW in the collisionless, unmagnetized two-ion-temperature hot dusty plasmas has been studied by considering the higher order transverse perturbation. 论文第三章研究在高阶横向扰动下,不同尘埃颗粒大小分布对未磁化的、无碰撞的含有两种不同温度离子的热尘埃等离子体中二维尘埃声波的影响。
The attenuation of electromagnetic waves at an arbitrary angle of incidence by a nonuniform unmagnetized plasma is given by using WKB method. 给出了用WKB方法计算以任意角入射的电磁波在不均匀等离子体中的衰减。
By simulating the interaction of electromagnetic wave with unmagnetized plasma, some bistatic and wide band numerical results are obtained, which indicate that plasma cloaking can greatly reduce the back wave energy of radar targets. 对TM波垂直入射时的双站、宽带仿真结果的分析表明,等离子体包层可以较大地减少雷达目标的电磁回波能量,衰减量与多种参数有关。
Research on the relation between the unmagnetized plasma density and the stealth of target 非磁化等离子体密度与目标雷达隐身的关系
The wear of the unmagnetized and magnetized high speed steel material are compared in the wear between pin and disk text. 通过销盘的磨损对比试验,对进行了磁化处理的与未作磁化处理的高速钢材料作了耐磨损性能的研究。
Viscosity and Langmuir wave-turbulence stress in unmagnetized accretion disks 非磁化吸积盘中的粘滞性和朗缪尔波湍动应力
This paper investigates the stealth of target by nonuniform unmagnetized plasmas. 研究了不均匀非磁化等离子体片的目标隐身。
The alternating direction implicit finite difference time domain ( ADI-FDTD) method is applied to analyze the scattering of unmagnetized plasma. The RCS reduction for the two dimensional, three dimensional conducting target coated by unmagnetized plasma is studied. 用交替方向隐式时域有限差分(ADI-FDTD)方法分析非磁化等离子体的电磁散射特性,研究了非磁化等离子体涂敷二维、三维导体目标后其RCS的缩减情况。
The effects of the indices on the instability growth rate of dust acoustic waves have been discussed in detail. Second, the dust ion-acoustic instability in an unmagnetized, collisionless, isotropic dusty plasma is investigated modeled by a Lorentzian kappa distribution for all component. 并进一步详细研究了各个谱指数对尘埃声波不稳定性产生的影响。其次,本文研究了无磁化、无碰撞、各向同性kappa分布等离子体中尘埃离子声波的不稳定性。
The paper makes some work as follows: First, the instability of the dust acoustic waves driven by ions and electrons with different drift velocities in an unmagnetized, collisionless, isotropic dusty plasma is investigated by the kinetic theory. 主要分为两个部分:首先,从动力论出发,研究了在无磁化、无碰撞、各向同性的尘埃等离子体中因电子和离子相对于尘埃粒子漂移运动激发的尘埃声波的不稳定性。
As an important problem in the plasma physics, it has been investigated deeply. In this paper, we have study the relativistic two-stream instability in the unmagnetized plasma. 双流不稳定性作为等离子体物理学中的一个重要问题,已受到了人们的广泛关注。