电流分布

本文从微带贴片天线的谐振模式结合贴片表面电流分布的角度来研究微带贴片天线的RCS（雷达截面）减缩。

The research on RCS reduction of microstrip patch antennas is carried out from the angle of the combination of resonant modes and the surface current distribution on the patch .

当Floquet边界的相位移为90°时，面电流分布最不均匀；

While the phase shift of the Floquet boundary is 90 ° , the surface current distribution is the most asymmetric .

CO2正柱放电中的径向光电流分布

Radial profiles of optogalvanic signals in a CO_2-discharges positive column

Josephson结开关电流分布的测量方案探讨

Measurements on the switching current distribution of a Josephson junction

HL-2A装置的LHCD运行区域与驱动电流分布控制

LHCD operation region and current drive profile control in the HL-2A tokamak

氧化锌（ZnO）非线性电阻片是电力避雷器的核心工作元件，其微观电流分布的非均匀性导致其冲击能量吸收能力的下降。

ZnO varistors are key functional element of surge arresters . The nonuniformity of current distribution in microstructure of ZnO varistor leads to the decreasing of its impulse energy absorption capability .

我们用这台装置研究了薄膜CdS-Cu2S电池的光生电流分布，描述了电池均匀性与转换效率的关系。

With this apparatus we studied the photocurrent distribution and the relation between the uniformity and conversion efficiency of thin film CdS-Cu2S solar cells .

500kV变电站串内电流分布特征研究

Current distribution features within 500 kV substations

在考虑振子互耦情况下，计算出振子上的电流分布，并得到阵列的雷达截面积（RCS）。

The current distribution on the dipoles and the radar cross-section ( RCS ) of the array in consideration of the interaction among dipoles are obtained by the moment method .

根据表面电流分布预测了任意形状良导体柱的单站雷达散射截面（RCS）的宽带与宽角响应。

The broadband or broad-angular responses of the mono-static radar cross-section ( RCS ) of an arbitrarily shaped two-dimensional highly conducting cylinder is predicted based on the surface current distributions .

以此为基础，利用Richmond反作用积分方程，建立了关于贴片上电流分布的积分方程。

By using this field expression and Richmond reaction equation , an integral equation of electric current on the patch is formulated .

采用三角矢量面元（RWG）基函数，模拟电流分布。

The triangle vector basis function ( RWG ) is employed to simulate the current distribution .

首先从表面电流分布分析了三个吸波峰值点的工作模式，从TAR结构的等效阻抗和损耗特性分析其对吸波性能的影响。

We first analyze the resonant modes of the three absorbing peaks based on the surface current distribution . And then we study the influence of effective impedance and loss characteristics of TAR absorber .

采用电流分布测量垫片技术，实验研究了反应气体流量对单蛇形流场PEM燃料电池内部电流分布的影响。

With a specially developed current distribution measurement gasket , the effects of reactant gas flow rates on the current distribution in a PEM fuel cell with single serpentine flowfield were investigated .

设计了一种新型单馈点双频平面倒F手机天线（PIFA），用时域有限差分方法（FDTD）计算了该天线的电流分布和辐射方向图，以验证设计原理。

The design of a novel single-feed dual-band planar inverted-F antenna ( PIFA ) is presented . Current distribution and radiation patterns are calculated by the finite-difference time-domain ( FDTD ) method to verify the design theory .

电流分布是PEM燃料电池的一个重要性能指标，在线测量电流分布有助于理解电池中的传递现象以及优化电池结构和操作参数。

As an important performance diagnosis tool , in-situ measurement of current distribution in PEM fuel cells is helpful for better understanding of internal transport phenomena and optimization of fuel cell structures and operating parameters .

首先由MOM求得给定频率下的电流分布，然后利用AWE技术外推，从而快速预测出任意频率下的电流分布，最后计算出圆环天线的宽带响应。

The main steps are as follows : first get the current distribution over a given frequency with MOM , then adopt AWE technique to achieve the current distribution over a random band , and finally calculate the broadband responses of the cirque antenna .

在完成30m，三相，35kV/2kA高温超导（HTS）交流电缆系统的研制过程中，为了优化电缆导体结构设计，需要测量导体层电流分布。

In order to optimize the structure of HTS cable conductor , the current distribution in the HTS cable conductor must be measured in the development of a 30m , three phases 35KV / 2KA HTS AC cable .

根据印制IFA各分枝的电流分布特性，得出其空间辐射电场的解析式，从而证明其辐射既具有等向特性又具有交叉极化特性。

Based on the current distribution characteristic of each branch of the printed IFA , the analytic formula of the radiation electric field is derived , which proves that the printed IFA has both isotropic radiation and cross polarization characteristics .

由于实验无法准确测量螺旋带上的面电流分布，在详细比较理论分析与软件模拟异同的基础上，应用3维电磁场计算软件HFSS研究了螺旋带相对宽度与面电流分布的关系。

Based on the difference between theoretical analysis and soft model , the effect of the ratio of the tape width to helix pitch on the surface current distribution of the tape helix was simulated using 3-D simulation software HFSS .

在计算中我们根据物理光学和Fock理论得到散射体表面的等效面电流分布，并引入一沿边缘的线电荷分布以计入边缘的贡献。

The equivalent surface current distributions used in the calculation are obtained from the physical optics and Fock 's theory . To take account of the contribution of the edge , a line distribution of charge along it is introduced .

利用该模型，分析了变电站正常方式、N-1方式、特殊运行方式下的串内电流分布特征，以及系统方式和变电站主接线结构对串内电流分布的影响。

The model was adopted to analyze the current distribution features within substations under the normal , N-1 , and special operation conditions respectively , as well as the influence of system manners and substation main wiring structure on the current distribution within substations .

采用矩量法结合离散复镜像法求解近地对数周期偶极天线的电流分布，用基于驻相法的远场Sommerfeld积分近似公式求解辐射场。

The paper applies the moment method and discrete complex image method to determine the distribution current of log periodic antennas over a ground plane , applies the far field approximation of the Sommerfeld integral based on the stationary phase method to determine the radiation patterns .

利用改进的二维FokkerPlanck方程和低杂波射线轨迹程序研究了在低杂波和离子伯恩斯坦波协同作用下低杂波的功率沉积分布、驱动电流分布。

The power deposition profile of the lower hybrid wave ( LHW ) and the distribution of the current driven by LHW under the local synergistic interaction of LHW and ion Bernstein wave ( IBW ) have been studied using advanced ray-tracing and 2-D Fokker-Planck numerical code .

运用线天线矩量法，对电磁兼容测试中常用的工作在100MHz左右的导线双锥天线进行分段，求得天线电流分布及辐射特性。

Using the method of moment ( MOM ) in wire antennas , the biconical antenna widely used in EMC tests , working at the frequency of around 100 MHz is divided into segments , and then the current distribution and the radiation property is provided .

对于基于电流分布模型的体素成像法，详细研究了低分辨率层析成像方法（LORETA），分别应用于大脑体积内和大脑皮层上的源定位，并进行了正则化处理。

Lastly the voxel imaging methods of EEG based on distribution current model are presented , the low resolution brain tomography algorithm ( LORETA ) is closely explored for localizing sources inside the brain and on the cortex , with proper regularizations being applied .

文中在处理介质散射体时是采用广义Rayleigh-Gans近似得到散射体的内部电场，因此，当目标散射体的相对介电常数已知时可以得到此散射体的体电流分布。

General Rayleigh-Gans approximation is used to obtain the electic field in the medium scatterers when we calculate the scattering fields of them in this paper , and the distribution of the current in the scatters can be got knowing the relative permittivity .

电流分布测量方法的研究&微计算机的应用

Study on measured method of current distribution by using the micro-computer

霍尔槽阴极电流分布规律的研究

An investigation of distributive rule on cathodic current in Hull cell

交流四探针法的电流分布

Current Distribution in Four & Probe Method for Measuring AC Conductivity